Instances
Live implementations observed on the agentic web across five verified categories: Origins, Harnesses & Clients, Venues & Facilitators, Trust & Wallet Authorities, and Agents. Every entry has a source; dates are the source's date where it gives one, otherwise the date we recorded it.
Origins 248
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CoordinateObserved 2026-10-25DC Hub (dchub.cloud)
Origin publishing 14 machine-native manifests (Agent2Agent Protocol, AGENTS.md, AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt (+10 more)), measured by /check/dchub.cloud/ on 2026-10-25.
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CoordinateObserved 2026-10-23Telnyx (telnyx.com)
Origin publishing 14 machine-native manifests (Agent2Agent Protocol, AGENTS.md, AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt (+10 more)), measured by /check/telnyx.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25Eodly (eodly.io)
Origin publishing 12 machine-native manifests (AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+8 more)), measured by /check/eodly.io/ on 2026-10-25.
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CoordinateObserved 2026-10-25Publica.la (publica.la)
Origin publishing 12 machine-native manifests (Agent2Agent Protocol, AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, Agent Skills (+8 more)), measured by /check/publica.la/ on 2026-10-25.
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CoordinateObserved 2026-10-25SurrealDB (surrealdb.com)
Origin publishing 12 machine-native manifests (Agent2Agent Protocol, AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, Agent Skills (+8 more)), measured by /check/surrealdb.com/ on 2026-10-25.
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PermitObserved 2026-10-25Zuplo API Gateway (zuplo.com)
Origin publishing 12 machine-native manifests (Streamable HTTP MCP server at https://dev.zuplo.com/mcp/docs, SEP-2127 server card, ARD catalog, RFC 9727 API catalog, and Agent Skills index), verified via /check/zuplo.com/ on 2026-10-25.
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ReadObserved 2026-10-23Apify (apify.com)
Origin publishing 11 machine-native manifests (AGENTS.md, AI Catalog well-known file, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+7 more)), measured by /check/apify.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25Hostinger (hostinger.com)
Origin publishing 11 machine-native manifests (AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+7 more)), measured by /check/hostinger.com/ on 2026-10-25.
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CoordinateObserved 2026-10-25Pydantic & Logfire (pydantic.dev)
Origin publishing 11 machine-native manifests (Streamable HTTP MCP server at https://logfire-us.pydantic.dev/mcp, SEP-2127 server card, A2A agent card, ARD catalog, RFC 9727 API catalog, and Agent Skills index), verified via /check/pydantic.dev/ on 2026-10-25.
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DiscoverObserved 2026-10-25Scalar API Platform (scalar.com)
Origin publishing 11 machine-native manifests (Streamable HTTP MCP server at https://scalar.com/mcp, SEP-2127 server card, ARD catalog, RFC 9727 API catalog, and Agent Skills index), verified via /check/scalar.com/ on 2026-10-25.
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ReadObserved 2026-10-25Fly.io (fly.io)
Origin publishing 9 machine-native manifests (AGENTS.md, AI Catalog well-known file, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+5 more)), measured by /check/fly.io/ on 2026-10-23.
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DiscoverObserved 2026-10-25Lago (getlago.com)
Origin publishing 10 machine-native manifests (agents.txt, AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, Agent Skills (+6 more)), measured by /check/getlago.com/ on 2026-10-25.
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CoordinateObserved 2026-10-23QuickNode (quicknode.com)
Origin publishing 10 machine-native manifests (Agent2Agent Protocol, AGENTS.md, AI Catalog well-known file, Agent Skills (+6 more)), measured by /check/quicknode.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25Reducto Document AI (reducto.ai)
Origin publishing 10 machine-native manifests (Streamable HTTP MCP server at https://mcp.reducto.ai/mcp, SEP-2127 server card, A2A agent card, RFC 9727 API catalog, and Agent Skills index), verified via /check/reducto.ai/ on 2026-10-25.
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DiscoverObserved 2026-10-23Resend (resend.com)
Origin publishing 10 machine-native manifests (AI Catalog well-known file, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy (+6 more)), measured by /check/resend.com/ on 2026-10-23.
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ReadObserved 2026-10-25Zapier (zapier.com)
Origin publishing 8 machine-native manifests (AGENTS.md, AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, Agent Skills (+4 more)), measured by /check/zapier.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25Ad Context Protocol Docs (docs.adcontextprotocol.org)
Origin publishing 7 machine-native manifests (Agent2Agent Protocol, AGENTS.md, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+3 more)), measured by /check/docs.adcontextprotocol.org/ on 2026-10-23.
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CoordinateObserved 2026-10-25Apideck Unified API (apideck.com)
Origin publishing 9 machine-native manifests (Streamable HTTP MCP server at https://mcp.apideck.dev/mcp, SEP-2127 server card, A2A agent card, RFC 9727 API catalog, and Agent Skills index), verified via /check/apideck.com/ on 2026-10-25.
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DiscoverObserved 2026-10-25Arcade AI Tool-Calling Runtime (arcade.dev)
Origin publishing 9 machine-native manifests (Streamable HTTP MCP server at https://www.arcade.dev/mcp, SEP-2127 server card, ARD catalog, RFC 9727 API catalog, and Markdown for Agents), verified via /check/arcade.dev/ on 2026-10-25.
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CoordinateObserved 2026-10-25Attio Docs (docs.attio.com)
CRM developer documentation exposing a live Streamable-HTTP MCP server, AGENTS.md, A2A card, Skill Manifest, and llms.txt.
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DiscoverObserved 2026-10-25beehiiv Newsletter Platform (beehiiv.com)
Origin publishing 9 machine-native manifests (Streamable HTTP MCP server at https://www.beehiiv.com/api/mcp, SEP-2127 server card, RFC 9727 API catalog, and llms.txt), verified via /check/beehiiv.com/ on 2026-10-25.
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DiscoverObserved 2026-10-25Bird (bird.com)
Origin publishing 9 machine-native manifests (AI Catalog well-known file, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Agentic Resource Discovery (+5 more)), measured by /check/bird.com/ on 2026-10-25.
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DiscoverObserved 2026-10-25Cal.com Scheduling Infrastructure (cal.com)
Origin publishing 9 machine-native manifests (Streamable HTTP MCP server at https://mcp.cal.com/mcp, SEP-2127 server card, RFC 9727 API catalog, Agent Skills index, and llms.txt), verified via /check/cal.com/ on 2026-10-25.
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ReadObserved 2026-10-25developers.telnyx.com
Telnyx Developers — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, /AGENTS.md, Agent Skills index, and RFC 9727 api-catalog.
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DiscoverObserved 2026-10-23Neon Serverless Postgres (neon.com)
Origin publishing 9 machine-native manifests (AI Catalog well-known file, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, auth.md (+5 more)), measured by /check/neon.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25Novita AI (novita.ai)
Origin publishing 9 machine-native manifests (Streamable HTTP MCP server at https://novita.ai/mcp, SEP-2127 server card, A2A agent card, RFC 9727 API catalog, and Agent Skills index), verified via /check/novita.ai/ on 2026-10-25.
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CoordinateObserved 2026-10-25Perplexity API Docs (docs.perplexity.ai)
Origin publishing 7 machine-native manifests (Agent2Agent Protocol, AGENTS.md, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+3 more)), measured by /check/docs.perplexity.ai/ on 2026-10-23.
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PermitObserved 2026-10-25Podscan Podcast Intelligence API (podscan.fm)
Origin publishing 9 machine-native manifests (Streamable HTTP MCP server at https://podscan.fm/mcp, SEP-2127 server card, RFC 9727 API catalog, OAuth Protected Resource metadata, and Agent Skills index), verified via /check/podscan.fm/ on 2026-10-25.
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ReadObserved 2026-10-23Railway (railway.com)
Origin publishing 9 machine-native manifests (AGENTS.md, AI Catalog well-known file, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Agentic Resource Discovery (+5 more)), measured by /check/railway.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25SavvyCal (savvycal.com)
Scheduling platform publishing MCP Server Cards, Skill Manifest, API Catalog, OAuth Metadata, and llms.txt.
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CoordinateObserved 2026-10-25AG-UI Documentation Origin (docs.ag-ui.com)
Origin publishing 6 machine-native manifests (Agent2Agent Protocol, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy (+2 more)), measured by /check/docs.ag-ui.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25Agent Client Protocol (agentclientprotocol.com)
Origin publishing 6 machine-native manifests (Agent2Agent Protocol, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy (+2 more)), measured by /check/agentclientprotocol.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25Agent Skills Specification (agentskills.io)
Origin publishing 8 machine-native manifests (Agent2Agent Protocol, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy (+4 more)), measured by /check/agentskills.io/ on 2026-10-25.
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DiscoverObserved 2026-10-25Amplitude (amplitude.com)
Origin publishing 7 machine-native manifests (AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+3 more)), measured by /check/amplitude.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25Augment Code Docs (docs.augmentcode.com)
Origin publishing 6 machine-native manifests (Agent2Agent Protocol, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy (+2 more)), measured by /check/docs.augmentcode.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25Baseten Docs (docs.baseten.co)
ML inference documentation portal exposing a live Streamable-HTTP MCP server, A2A card, Skill Manifest, and llms.txt.
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ReadObserved 2026-10-25bazel.build
Bazel Build System — serves /llms.txt, /AGENTS.md, Agent Skills index, RFC 9727 api-catalog, and live MCP server.
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DiscoverObserved 2026-10-23ClickHouse (clickhouse.com)
Origin publishing 8 machine-native manifests (AI Catalog well-known file, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy (+4 more)), measured by /check/clickhouse.com/ on 2026-10-23.
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ActObserved 2026-10-25crewai.com
Origin publishing 8 machine-native manifests (Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy, Markdown for Agents (+4 more)), measured by /check/crewai.com/ on 2026-10-25.
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ReadObserved 2026-10-25developers.make.com
Make.com Developer Hub — serves MCP server card, /llms.txt, /AGENTS.md, and AI catalog.
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ReadObserved 2026-10-25docs.incident.io
incident.io Documentation — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, /AGENTS.md, Agent Skills index, and RFC 9727 api-catalog.
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ReadObserved 2026-10-25docs.snyk.io
Snyk Documentation — serves MCP server card, /llms.txt, /AGENTS.md, AI catalog, and Markdown negotiation.
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ReadObserved 2026-10-25docs.whereby.com
Whereby Developer Documentation — serves MCP server card, /llms.txt, /AGENTS.md, and AI catalog.
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DiscoverObserved 2026-10-25gurubase.io
Gurubase — serves /.well-known/ard.json, /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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ActObserved 2026-10-25Kent C. Dodds (kentcdodds.com)
Origin publishing 8 machine-native manifests (Streamable HTTP MCP server at https://kentcdodds.com/mcp, SEP-2127 server card, OAuth CIMD, OAuth Protected Resource metadata, RFC 9727 API catalog, and Agent Skills index), verified via /check/kentcdodds.com/ on 2026-10-25.
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DiscoverObserved 2026-10-23Loops (loops.so)
Origin publishing 8 machine-native manifests (AI Catalog well-known file, Agent Skills, Markdown for Agents, llms.txt (+4 more)), measured by /check/loops.so/ on 2026-10-23.
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CoordinateObserved 2026-10-25Model Context Protocol Docs (modelcontextprotocol.io)
Origin publishing 8 machine-native manifests (Agent2Agent Protocol, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy (+4 more)), measured by /check/modelcontextprotocol.io/ on 2026-10-25.
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PermitObserved 2026-10-25Morph Fast Apply LLM (morphllm.com)
Origin publishing 8 machine-native manifests (SEP-2127 package server card (@morphllm/morphmcp), RFC 9727 API catalog, Agent Skills index, and Markdown for Agents), verified via /check/morphllm.com/ on 2026-10-25.
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PermitObserved 2026-10-25scrapfly.io
Scrapfly — serves /.well-known/ard.json, /llms.txt, MCP server card, and RFC 9728 OAuth Protected Resource metadata.
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ActObserved 2026-10-25Sentry (sentry.io)
Origin publishing 6 machine-native manifests (Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy, Markdown for Agents (+2 more)), measured by /check/sentry.io/ on 2026-10-23.
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CoordinateObserved 2026-10-25Speakeasy (speakeasy.com)
Origin publishing 8 machine-native manifests (Agent2Agent Protocol, AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+4 more)), measured by /check/speakeasy.com/ on 2026-10-25.
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DiscoverObserved 2026-10-25Supabase (supabase.com)
Origin publishing 7 machine-native manifests (AI Catalog well-known file, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Agentic Resource Discovery (+3 more)), measured by /check/supabase.com/ on 2026-10-23.
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ActObserved 2026-10-25Supermemory (supermemory.ai)
Origin publishing 8 machine-native manifests (Streamable HTTP MCP server at https://mcp.supermemory.ai/mcp, SEP-2127 server card, RFC 9727 API catalog, and Agent Skills index), verified via /check/supermemory.ai/ on 2026-10-25.
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CoordinateObserved 2026-10-252s.io
Origin publishing 7 machine-native manifests (Agent2Agent Protocol, agents.json, AI Crawler User-Agent Tokens in robots.txt, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+3 more)), measured by /check/2s.io/ on 2026-10-25.
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ActObserved 2026-10-23blog.cloudflare.com
Origin publishing 7 machine-native manifests (Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy, Markdown for Agents (+3 more)), measured by /check/blog.cloudflare.com/ on 2026-10-23.
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CoordinateObserved 2026-10-23Cloudflare (cloudflare.com)
Origin publishing 7 machine-native manifests (Agent2Agent Protocol, AI Crawler User-Agent Tokens in robots.txt, Agent Skills, auth.md (+3 more)), measured by /check/cloudflare.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25deepeval.com
DeepEval (Confident AI) — serves /llms.txt, AI catalog, Agent Skills index, and RFC 9727 api-catalog.
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ReadObserved 2026-10-25developer.calendly.com
Calendly Developer Portal — serves /llms.txt, /AGENTS.md, Agent Skills index, and RFC 9727 api-catalog.
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ActObserved 2026-10-25developers.notion.com
Notion Developers Portal — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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ActObserved 2026-10-25docs.e2b.dev
E2B Documentation — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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ActObserved 2026-10-25docs.firecrawl.dev
Firecrawl Documentation — serves /llms.txt, Agent Skills index, Content-Signal, and AI crawler tokens in robots.txt.
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ActObserved 2026-10-25docs.kombo.dev
Kombo Unified API Documentation — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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ActObserved 2026-10-25docs.turnkey.com
Turnkey Documentation — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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ReadObserved 2026-10-23n8n Documentation Origin (docs.n8n.io)
Origin publishing 7 machine-native manifests (AGENTS.md, AI Catalog well-known file, Content Signals Policy, Markdown for Agents (+3 more)), measured by /check/docs.n8n.io/ on 2026-10-23.
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ActObserved 2026-10-25OpenStatus (openstatus.dev)
Origin publishing 7 machine-native manifests (Streamable HTTP MCP server at https://api.openstatus.dev/mcp, SEP-2127 server card, RFC 9727 API catalog, and Agent Skills index), verified via /check/openstatus.dev/ on 2026-10-25.
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ActObserved 2026-10-25Replicate (replicate.com)
Origin publishing 7 machine-native manifests (Hosted MCP endpoint at https://mcp.replicate.com/sse, SEP-2127 server card, RFC 9727 API catalog, Agent Skills index, and llms.txt), verified via /check/replicate.com/ on 2026-10-25.
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DiscoverObserved 2026-10-25tldraw Infinite Canvas SDK (tldraw.com)
Origin publishing 7 machine-native manifests (Streamable HTTP MCP server at https://www.tldraw.com/api/app/mcp, SEP-2127 server card, and RFC 9727 API catalog), verified via /check/tldraw.com/ on 2026-10-25.
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PermitObserved 2026-10-25Vast.ai (vast.ai)
GPU cloud marketplace publishing MCP Server Cards, Skill Manifest, API Catalog, and llms.txt.
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ReadObserved 2026-10-25Webflow Developers (developers.webflow.com)
Webflow developer portal publishing llms.txt, Skill Manifest, API Catalog, and Markdown for Agents.
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PermitObserved 2026-10-25Zep Long-Term Agent Memory (getzep.com)
Origin publishing 7 machine-native manifests (Streamable HTTP MCP server at https://docs-mcp.getzep.com/mcp, SEP-2127 server card, RFC 9727 API catalog, and llms.txt), verified via /check/getzep.com/ on 2026-10-25.
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DiscoverObserved 2026-10-25Appwrite Backend Platform (appwrite.io)
Origin publishing 6 machine-native manifests (Streamable HTTP MCP server at https://mcp.appwrite.io, SEP-2127 server card, Agent Skills index, and llms.txt), verified via /check/appwrite.io/ on 2026-10-25.
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PermitObserved 2026-10-25brightdata.com
Bright Data — serves /llms.txt, /auth.md, and RFC 9727 api-catalog.
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PermitObserved 2026-10-25c2pa.org
Coalition for Content Provenance and Authenticity (C2PA) — serves /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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CoordinateObserved 2026-10-25Cerebrium Serverless AI (cerebrium.ai)
Origin publishing 6 machine-native manifests (Streamable HTTP MCP server at https://cerebrium.ai/docs/mcp, SEP-2127 server card, A2A agent card, Agent Skills index, and llms.txt), verified via /check/cerebrium.ai/ on 2026-10-25.
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ActObserved 2026-10-25Coinbase (coinbase.com)
Origin publishing 4 machine-native manifests (Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, llms.txt, OAuth Client ID Metadata Document), measured by /check/coinbase.com/ on 2026-10-23.
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ActObserved 2026-10-25Customer.io (customer.io)
Customer engagement platform publishing MCP Server Cards, Skill Manifest, API Catalog, and llms.txt.
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ActObserved 2026-10-25Descope Identity & Agent Auth (descope.com)
Origin publishing 6 machine-native manifests (Streamable HTTP MCP server at https://mcp.descope.com, SEP-2127 server card, Agent Skills index, and Markdown for Agents), verified via /check/descope.com/ on 2026-10-25.
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PermitObserved 2026-10-25docs.poolside.ai
Poolside AI Documentation — serves /llms.txt, RFC 9728 OAuth Protected Resource metadata, and RFC 9727 api-catalog.
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DiscoverObserved 2026-10-25docs.saleor.io
Saleor Commerce Documentation — serves /.well-known/ard.json, MCP server card, Agent Skills index, and RFC 9727 api-catalog.
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PermitObserved 2026-10-25docs.tembo.io
Tembo Postgres Documentation — serves /llms.txt, RFC 9728 OAuth Protected Resource metadata, and RFC 9727 api-catalog.
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DiscoverObserved 2026-10-25Dries Buytaert (dri.es)
Origin publishing 5 machine-native manifests (AI Catalog well-known file, AIPREF Content-Usage Attachment, AIPREF Vocabulary, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs (+1 more)), measured by /check/dri.es/ on 2026-10-23.
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PermitObserved 2026-10-23Firecrawl (firecrawl.dev)
Origin publishing 6 machine-native manifests (auth.md, Content Signals Policy, Markdown for Agents, llms.txt (+2 more)), measured by /check/firecrawl.dev/ on 2026-10-23.
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DiscoverObserved 2026-10-23Hugging Face (huggingface.co)
Origin publishing 6 machine-native manifests (AI Catalog well-known file, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Model Context Protocol, MCP Server Cards (SEP-2127) (+2 more)), measured by /check/huggingface.co/ on 2026-10-23.
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DiscoverObserved 2026-10-25kysely.dev
Kysely TypeScript SQL Builder — serves /.well-known/ard.json, /llms.txt, and Agent Skills index.
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ActObserved 2026-10-25MotherDuck Serverless DuckDB (motherduck.com)
Origin publishing 6 machine-native manifests (Streamable HTTP MCP server at https://api.motherduck.com/mcp, SEP-2127 server card, Agent Skills index, and llms.txt), verified via /check/motherduck.com/ on 2026-10-25.
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PermitObserved 2026-10-25neo4j.com
Neo4j Graph Database — serves /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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PermitObserved 2026-10-25Plane (plane.so)
Open-source project management platform publishing MCP Server Cards, Markdown for Agents, Content Signals, and llms.txt.
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DiscoverObserved 2026-10-25Skyvern Browser Automation Agent (skyvern.com)
Origin publishing 6 machine-native manifests (Streamable HTTP MCP server at https://api.skyvern.com/mcp, SEP-2127 server card, RFC 9727 API catalog, and llms.txt), verified via /check/skyvern.com/ on 2026-10-25.
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PermitObserved 2026-10-25spdx.dev
Linux Foundation SPDX Standard — serves /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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ActObserved 2026-10-25Taskade (taskade.com)
Origin publishing 4 machine-native manifests (Agent Skills, Content Signals Policy, Markdown for Agents, llms.txt), measured by /check/taskade.com/ on 2026-10-23.
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ReadObserved 2026-10-23Tempo (tempo.xyz)
Origin publishing 6 machine-native manifests (AGENTS.md, AI Crawler User-Agent Tokens in robots.txt, Agent Skills, Markdown for Agents (+2 more)), measured by /check/tempo.xyz/ on 2026-10-23.
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DiscoverObserved 2026-10-23Vercel (vercel.com)
Origin publishing 6 machine-native manifests (AI Catalog well-known file, Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Markdown for Agents (+2 more)), measured by /check/vercel.com/ on 2026-10-23.
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PermitObserved 2026-10-25Warp Agentic Terminal (warp.dev)
Origin publishing 6 machine-native manifests (Hosted Kapa MCP endpoint at https://warp.mcp.kapa.ai, SEP-2127 server card, ARD catalog, RFC 9727 API catalog, and llms.txt), verified via /check/warp.dev/ on 2026-10-25.
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ActObserved 2026-10-25Wistia (wistia.com)
Video marketing platform shipping an OAuth-gated MCP endpoint, MCP Server Cards, Skill Manifest, and API Catalog.
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DiscoverObserved 2026-10-23Agentic AI Foundation (aaif.io)
Origin publishing 5 machine-native manifests (agents.txt, AI Crawler User-Agent Tokens in robots.txt, Content Signals Policy, Markdown for Agents (+1 more)), measured by /check/aaif.io/ on 2026-10-23.
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PermitObserved 2026-10-25Atlan (atlan.com)
Origin publishing 4 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, Content Signals Policy, Markdown for Agents, llms.txt), measured by /check/atlan.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25Better Stack Observability (betterstack.com)
Origin publishing 5 machine-native manifests (Streamable HTTP MCP server at https://mcp.betterstack.com, SEP-2127 server card, RFC 9727 API catalog, and Markdown for Agents), verified via /check/betterstack.com/ on 2026-10-25.
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PermitObserved 2026-10-25Browser Use Web Agent Runtime (browser-use.com)
Origin publishing 5 machine-native manifests (Streamable HTTP MCP server at https://api.browser-use.com/mcp and llms.txt), verified via /check/browser-use.com/ on 2026-10-25.
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ActObserved 2026-10-25Checkly Synthetic Monitoring (checklyhq.com)
Origin publishing 5 machine-native manifests (Streamable HTTP MCP server at https://api.checklyhq.com/mcp, SEP-2127 server card, Agent Skills index, and llms.txt), verified via /check/checklyhq.com/ on 2026-10-25.
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ActObserved 2026-10-25Circle (circle.so)
Community platform shipping MCP Server Cards, Skill Manifest, Content Signals Policy, and llms.txt.
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PermitObserved 2026-10-25Devin Origin (devin.ai)
Origin publishing 3 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, Markdown for Agents, llms.txt), measured by /check/devin.ai/ on 2026-10-23.
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ReadObserved 2026-10-25docs.devin.ai
Devin (Cognition) Documentation — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, /AGENTS.md, Agent Skills index, and RFC 9727 api-catalog.
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PermitObserved 2026-10-25docs.discord.com
Discord Developer Documentation — serves /llms.txt, RFC 9727 api-catalog, Content-Signal, and Markdown negotiation.
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DiscoverObserved 2026-10-23GitBook (gitbook.com)
Origin publishing 5 machine-native manifests (AI Catalog well-known file, Content Signals Policy, Markdown for Agents, llms.txt (+1 more)), measured by /check/gitbook.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25Infisical Secrets Management (infisical.com)
Origin publishing 5 machine-native manifests (SEP-2127 server card, ARD catalog, RFC 9727 API catalog, Markdown for Agents, and llms.txt), verified via /check/infisical.com/ on 2026-10-25.
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CoordinateObserved 2026-10-25Intercom Developers (developers.intercom.com)
Intercom developer hub exposing a live Streamable-HTTP MCP server, A2A card, Skill Manifest, and llms.txt.
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ActObserved 2026-10-25LibreChat Open-Source AI Workspace (librechat.ai)
Origin publishing 5 machine-native manifests (Agent Skills index, RFC 9727 API catalog, and llms.txt), verified via /check/librechat.ai/ on 2026-10-25.
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ReadObserved 2026-10-25MetricSpot (metricspot.com)
Origin publishing 4 machine-native manifests (AGENTS.md, agents.txt, AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/metricspot.com/ on 2026-10-23.
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PermitObserved 2026-10-25Mintlify (mintlify.com)
Origin publishing 5 machine-native manifests (auth.md, Markdown for Agents, llms.txt, Model Context Protocol (+1 more)), measured by /check/mintlify.com/ on 2026-10-25.
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PermitObserved 2026-10-25nx.dev
Nx Build System — serves /llms.txt, Agent Skills index, and Markdown negotiation.
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DiscoverObserved 2026-10-25oxylabs.io
Oxylabs — serves /llms.txt, AI catalog, and RFC 9727 api-catalog.
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DiscoverObserved 2026-10-25PlanetScale (planetscale.com)
Database platform publishing MCP Server Cards, API Catalog, Markdown for Agents, and llms.txt.
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ActObserved 2026-10-25Prisma ORM & Postgres (prisma.io)
Origin publishing 5 machine-native manifests (Streamable HTTP MCP server at https://mcp.prisma.io/mcp, SEP-2127 server card, Agent Skills index, and llms.txt), verified via /check/prisma.io/ on 2026-10-25.
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PermitObserved 2026-10-25React Email by Resend (react.email)
Origin publishing 5 machine-native manifests (Agent Skills index, Content Signals Policy, AI Crawler tokens in robots.txt, Markdown for Agents, and llms.txt), verified via /check/react.email/ on 2026-10-25.
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ActObserved 2026-10-25RunPod GPU Cloud (runpod.io)
Origin publishing 5 machine-native manifests (Agent Skills index, RFC 9727 API catalog, Markdown for Agents, and llms.txt), verified via /check/runpod.io/ on 2026-10-25.
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ActObserved 2026-10-25Sanity Content Operating System (sanity.io)
Origin publishing 5 machine-native manifests (Agent Skills index, RFC 9727 API catalog, Markdown for Agents, and llms.txt), verified via /check/sanity.io/ on 2026-10-25.
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PermitObserved 2026-10-25trunk.io
Trunk.io Developer Experience — serves /llms.txt, Agent Skills index, and Markdown negotiation.
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PermitObserved 2026-10-25Vellum AI Workflow Platform (vellum.ai)
Origin publishing 5 machine-native manifests (RFC 9727 API catalog, Markdown for Agents, and llms.txt), verified via /check/vellum.ai/ on 2026-10-25.
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ActObserved 2026-10-23x402 Foundation Spec Origin (x402.org)
Origin publishing 5 machine-native manifests (Agent Skills, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Content Signals Policy, Markdown for Agents (+1 more)), measured by /check/x402.org/ on 2026-10-23.
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ActObserved 2026-10-25Zoom Developers (developers.zoom.us)
Zoom developer platform publishing MCP Server Cards, Skill Manifest, Content Signals Policy, and llms.txt.
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DiscoverObserved 2026-10-23Anthropic Claude Platform (platform.claude.com)
Origin publishing 4 machine-native manifests (AI Catalog well-known file, llms.txt, Model Context Protocol, MCP Server Cards (SEP-2127)), measured by /check/platform.claude.com/ on 2026-10-23.
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PermitObserved 2026-10-23auth.md Specification Origin (auth-md.com)
Origin publishing 4 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, Agent Skills, Content Signals Policy, llms.txt), measured by /check/auth-md.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25Convex Reactive Backend (convex.dev)
Origin publishing 4 machine-native manifests (RFC 9727 API catalog (https://api.convex.dev/v1/openapi.json), Markdown for Agents, and llms.txt), verified via /check/convex.dev/ on 2026-10-25.
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ReadObserved 2026-10-25DataFast Analytics (datafa.st)
Origin publishing 4 machine-native manifests (Streamable HTTP MCP server at https://datafa.st/api/mcp and llms.txt), verified via /check/datafa.st/ on 2026-10-25.
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DiscoverObserved 2026-10-25Desvela (desvela.dev)
Origin publishing 4 machine-native manifests (AI Catalog well-known file, Agentic Resource Discovery, llms.txt, Model Context Protocol), measured by /check/desvela.dev/ on 2026-10-25.
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DiscoverObserved 2026-10-25docs.ideogram.ai
Ideogram AI Documentation — serves live MCP server, MCP server card, /llms.txt, and AI catalog.
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PermitObserved 2026-10-25docs.warp.dev
Origin publishing 2 machine-native manifests (Content Signals Policy, llms.txt), measured by /check/docs.warp.dev/ on 2026-10-23.
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CoordinateObserved 2026-10-23Dreaming Press (dreaming.press)
Origin publishing 4 machine-native manifests (Agent2Agent Protocol, agents.txt, AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/dreaming.press/ on 2026-10-23.
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DiscoverObserved 2026-10-25Glama MCP Gateway & Directory (glama.ai)
Origin publishing 4 machine-native manifests (RFC 9727 API catalog (https://glama.ai/api/mcp/openapi.json) and llms.txt), verified via /check/glama.ai/ on 2026-10-25.
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ReadObserved 2026-10-25Graphlit Knowledge Retrieval Platform (graphlit.com)
Origin publishing 4 machine-native manifests (Streamable HTTP MCP server at https://graphlit.com/mcp and llms.txt), verified via /check/graphlit.com/ on 2026-10-25.
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DiscoverObserved 2026-10-23GTmetrix (gtmetrix.com)
Origin publishing 4 machine-native manifests (AI Catalog well-known file, Model Context Protocol, MCP Server Cards (SEP-2127), OAuth Protected Resource and Authorization Server Metadata (as used for agent authorization)), measured by /check/gtmetrix.com/ on 2026-10-23.
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DiscoverObserved 2026-10-23IMG.LY (img.ly)
Origin publishing 4 machine-native manifests (AI Catalog well-known file, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Markdown for Agents, llms.txt), measured by /check/img.ly/ on 2026-10-23.
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PermitObserved 2026-10-25Lovable AI Full-Stack Builder (lovable.dev)
Origin publishing 4 machine-native manifests (OAuth Client ID Metadata Document (CIMD), Identity Assertion Authorization Grant, AI Crawler tokens in robots.txt, and llms.txt), verified via /check/lovable.dev/ on 2026-10-25.
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PermitObserved 2026-10-25mcp.linear.app
Linear Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata and Streamable HTTP MCP endpoint.
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ActObserved 2026-10-25Papermark Open-Source DocSend (papermark.io)
Origin publishing 4 machine-native manifests (Streamable HTTP MCP server at https://mcp.papermark.com/mcp, SEP-2127 server card, Agent Skills index, and llms.txt), verified via /check/papermark.io/ on 2026-10-25.
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ActObserved 2026-10-23Proof (proof.com)
Origin publishing 4 machine-native manifests (Agent Skills, Content Signals Policy, Markdown for Agents, llms.txt), measured by /check/proof.com/ on 2026-10-23.
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ReadObserved 2026-10-25Revid AI Video Platform (revid.ai)
Origin publishing 4 machine-native manifests (Streamable HTTP MCP server at https://www.revid.ai/api/mcp, SEP-2127 server card, OAuth Protected Resource metadata, and llms.txt), verified via /check/revid.ai/ on 2026-10-25.
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ReadObserved 2026-10-25Semgrep (semgrep.dev)
Application security platform shipping an MCP endpoint, OAuth Protected Resource Metadata, OAuth CIMD, and llms.txt.
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PermitObserved 2026-10-230G Labs (0g.ai)
Origin publishing 3 machine-native manifests (Content Signals Policy, Markdown for Agents, llms.txt), measured by /check/0g.ai/ on 2026-10-23.
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ReadObserved 2026-10-25cafe24.com
Origin publishing 2 machine-native manifests (llms.txt, OAuth Protected Resource and Authorization Server Metadata (as used for agent authorization)), measured by /check/cafe24.com/ on 2026-10-23.
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PermitObserved 2026-10-23circle.com
Origin publishing 3 machine-native manifests (Content Signals Policy, Markdown for Agents, llms.txt), measured by /check/circle.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25docs.box.com
Box Developer Documentation — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, /AGENTS.md, Agent Skills index, and RFC 9727 api-catalog.
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PermitObserved 2026-10-25docs.metronome.com
Metronome Documentation — serves live MCP server, /llms.txt, RFC 9728 OAuth Protected Resource metadata, Agent Skills index, and RFC 9727 api-catalog.
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DiscoverObserved 2026-10-25docs.withorb.com
Orb Billing Documentation — serves live MCP server, MCP server card, /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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DiscoverObserved 2026-10-23facilitator.live.nevermined.app
Origin publishing 3 machine-native manifests (AI Catalog well-known file, OAuth Client ID Metadata Document, OAuth Protected Resource and Authorization Server Metadata (as used for agent authorization)), measured by /check/facilitator.live.nevermined.app/ on 2026-10-23.
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PermitObserved 2026-10-23factory.com
Origin publishing 3 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, Markdown for Agents, llms.txt), measured by /check/factory.com/ on 2026-10-23.
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DiscoverObserved 2026-10-23GitHub (github.com)
Origin publishing 3 machine-native manifests (AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/github.com/ on 2026-10-23.
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ReadObserved 2026-10-25Gumroad Creator Commerce (gumroad.com)
Origin publishing 3 machine-native manifests (Streamable HTTP MCP server at https://gumroad.com/muse/v1/mcp, OAuth Protected Resource metadata, and llms.txt), verified via /check/gumroad.com/ on 2026-10-25.
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PermitObserved 2026-10-25LanceDB (lancedb.com)
Multimodal vector database shipping llms.txt, Skill Manifest, API Catalog, and Markdown for Agents.
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ActObserved 2026-10-23mastra.ai
Origin publishing 3 machine-native manifests (Agent Skills, Markdown for Agents, llms.txt), measured by /check/mastra.ai/ on 2026-10-23.
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DiscoverObserved 2026-10-25mcp.apify.com
Apify Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata, OAuth CIMD, and Streamable HTTP MCP endpoint.
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PermitObserved 2026-10-25mcp.notion.com
Notion Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata and Streamable HTTP MCP endpoint.
-
ActObserved 2026-10-25mcp.vercel.com
Vercel Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata, OAuth CIMD, and Streamable HTTP MCP endpoint.
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DiscoverObserved 2026-10-25memgraph.com
Memgraph Graph Database — serves /.well-known/ard.json, /llms.txt, and MCP server.
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DiscoverObserved 2026-10-23Next.js (nextjs.org)
Origin publishing 3 machine-native manifests (AI Catalog well-known file, Markdown for Agents, llms.txt), measured by /check/nextjs.org/ on 2026-10-23.
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ReadObserved 2026-10-25Nomads.com (nomads.com)
Origin publishing 3 machine-native manifests (Streamable HTTP MCP server at https://nomads.com/mcp, SEP-2127 server card, and llms.txt), verified via /check/nomads.com/ on 2026-10-25.
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PermitObserved 2026-10-23SleekNova (sleeknova.com)
Origin publishing 3 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt, Text and Data Mining Reservation Protocol), measured by /check/sleeknova.com/ on 2026-10-23.
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DiscoverObserved 2026-10-25StackOne Agentic Integration Hub (stackone.com)
Origin publishing 3 machine-native manifests (RFC 9727 API catalog (https://www.stackone.com/openapi.json), Markdown for Agents, and llms.txt), verified via /check/stackone.com/ on 2026-10-25.
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PermitObserved 2026-10-23Stripe Documentation (docs.stripe.com)
Origin publishing 3 machine-native manifests (Content Signals Policy, Markdown for Agents, llms.txt), measured by /check/docs.stripe.com/ on 2026-10-23.
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PermitObserved 2026-10-23Twilio (twilio.com)
Origin publishing 3 machine-native manifests (Content Signals Policy, Model Context Protocol, MCP Server Cards (SEP-2127)), measured by /check/twilio.com/ on 2026-10-23.
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ReadObserved 2026-10-25Vercel v0 Generative UI (v0.app)
Origin publishing 3 machine-native manifests (Streamable HTTP MCP server at https://v0.app/api/mcp, OAuth Protected Resource metadata, and Markdown for Agents), verified via /check/v0.app/ on 2026-10-25.
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PermitObserved 2026-10-23Webhooks.cc (webhooks.cc)
Origin publishing 3 machine-native manifests (auth.md, llms.txt, OAuth Protected Resource and Authorization Server Metadata (as used for agent authorization)), measured by /check/webhooks.cc/ on 2026-10-23.
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DiscoverObserved 2026-10-23Agentic Resources (agenticresources.dev)
Origin publishing 2 machine-native manifests (AI Catalog well-known file, Agentic Resource Discovery), measured by /check/agenticresources.dev/ on 2026-10-23.
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DiscoverObserved 2026-10-23Airtable (airtable.com)
Origin publishing 2 machine-native manifests (AI Catalog well-known file, OAuth Client ID Metadata Document), measured by /check/airtable.com/ on 2026-10-23.
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PermitObserved 2026-10-23aitxt.ing
Origin publishing 2 machine-native manifests (Content Signals Policy, llms.txt), measured by /check/aitxt.ing/ on 2026-10-23.
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ReadObserved 2026-10-23Asana (asana.com)
Origin publishing 2 machine-native manifests (Markdown for Agents, llms.txt), measured by /check/asana.com/ on 2026-10-23.
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PermitObserved 2026-10-23Associated Press (ap.org)
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, Content Signals Policy), measured by /check/ap.org/ on 2026-10-23.
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PermitObserved 2026-10-23AWS Strands Agents (strandsagents.com)
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/strandsagents.com/ on 2026-10-23.
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PermitObserved 2026-10-23blakecrosley.com
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/blakecrosley.com/ on 2026-10-23.
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PermitObserved 2026-10-23bmdpat.com
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/bmdpat.com/ on 2026-10-23.
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PermitObserved 2026-10-23cloudandsre.com
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/cloudandsre.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25developers.harvey.ai
Harvey AI Developers — serves live MCP server, MCP server card, /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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PermitObserved 2026-10-23devtoollab.com
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/devtoollab.com/ on 2026-10-23.
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ReadObserved 2026-10-23docs.github.com
Origin publishing 2 machine-native manifests (Markdown for Agents, llms.txt), measured by /check/docs.github.com/ on 2026-10-23.
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CoordinateObserved 2026-10-25docs.gladia.io
Gladia Audio AI Documentation — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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ActObserved 2026-10-25docs.lancedb.com
LanceDB Documentation — serves MCP server card, /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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ReadObserved 2026-10-23Elsevier (elsevier.com)
Origin publishing 2 machine-native manifests (Markdown for Agents, Text and Data Mining Reservation Protocol), measured by /check/elsevier.com/ on 2026-10-23.
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PermitObserved 2026-10-23Figma (figma.com)
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, Identity Assertion JWT Authorization Grant), measured by /check/figma.com/ on 2026-10-23.
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ReadObserved 2026-10-23getdbt.com
Origin publishing 2 machine-native manifests (Markdown for Agents, llms.txt), measured by /check/getdbt.com/ on 2026-10-23.
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ActObserved 2026-10-23GitHub Copilot MCP API (api.githubcopilot.com)
Origin publishing 2 machine-native manifests (Model Context Protocol, MCP Server Cards (SEP-2127)), measured by /check/api.githubcopilot.com/ on 2026-10-23.
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PermitObserved 2026-10-23Honeycomb AI (honeyb.ai)
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/honeyb.ai/ on 2026-10-23.
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ReadObserved 2026-10-25Hyperbrowser Cloud Browser for Agents (hyperbrowser.ai)
Origin publishing 2 machine-native manifests (RFC 9421 Web Bot Auth cryptographic signature headers and llms.txt), verified via /check/hyperbrowser.ai/ on 2026-10-25.
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PermitObserved 2026-10-23kochava.com
Origin publishing 3 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt, OAuth Client ID Metadata Document), measured by /check/kochava.com/ on 2026-10-23.
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ActObserved 2026-10-25mcp.box.com
Box Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata and Streamable HTTP MCP endpoint.
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PermitObserved 2026-10-25mcp.paypal.com
PayPal Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata and remote MCP endpoint.
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ReadObserved 2026-10-23mcp.sentry.dev
Origin publishing 2 machine-native manifests (llms.txt, OAuth Client ID Metadata Document), measured by /check/mcp.sentry.dev/ on 2026-10-23.
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ReadObserved 2026-10-25mcp.sentry.io
Sentry Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata and Streamable HTTP MCP endpoint.
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PermitObserved 2026-10-23medium.com
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, Really Simple Licensing), measured by /check/medium.com/ on 2026-10-23.
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ReadObserved 2026-10-23okta.com
Origin publishing 2 machine-native manifests (Markdown for Agents, llms.txt), measured by /check/okta.com/ on 2026-10-23.
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ReadObserved 2026-10-23openknowledge.ai
Origin publishing 2 machine-native manifests (Markdown for Agents, llms.txt), measured by /check/openknowledge.ai/ on 2026-10-23.
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PermitObserved 2026-10-23oreilly.com
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/oreilly.com/ on 2026-10-23.
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PermitObserved 2026-10-23QAIL (qail.ai)
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/qail.ai/ on 2026-10-23.
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DiscoverObserved 2026-10-23RudderStack (rudderstack.com)
Origin publishing 2 machine-native manifests (AI Catalog well-known file, llms.txt), measured by /check/rudderstack.com/ on 2026-10-23.
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PermitObserved 2026-10-23Samsung (samsung.com)
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/samsung.com/ on 2026-10-23.
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PermitObserved 2026-10-23SAP (sap.com)
Origin publishing 2 machine-native manifests (AI Crawler User-Agent Tokens in robots.txt, llms.txt), measured by /check/sap.com/ on 2026-10-23.
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PermitObserved 2026-10-23Snowflake (snowflake.com)
Origin publishing 2 machine-native manifests (OAuth Client ID Metadata Document, OAuth Protected Resource and Authorization Server Metadata (as used for agent authorization)), measured by /check/snowflake.com/ on 2026-10-23.
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ReadObserved 2026-10-23Agentman (agentman.ai)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/agentman.ai/ on 2026-10-23.
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DiscoverObserved 2026-10-23Agora (agent marketplace) API (api.agoraproto.org)
Origin publishing 1 machine-native manifest (Agent Directory Service), measured by /check/api.agoraproto.org/ on 2026-10-23.
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ReadObserved 2026-10-23All in One SEO (aioseo.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/aioseo.com/ on 2026-10-23.
-
ReadObserved 2026-10-23Ant International (ant-intl.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/ant-intl.com/ on 2026-10-23.
-
ReadObserved 2026-10-23Anthropic Support (support.claude.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/support.claude.com/ on 2026-10-23.
-
ReadObserved 2026-10-23Atlassian (atlassian.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/atlassian.com/ on 2026-10-23.
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PermitObserved 2026-10-23AtScale (atscale.com)
Origin publishing 1 machine-native manifest (OAuth Protected Resource and Authorization Server Metadata (as used for agent authorization)), measured by /check/atscale.com/ on 2026-10-23.
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ReadObserved 2026-10-23byteiota.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/byteiota.com/ on 2026-10-23.
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PermitObserved 2026-10-23Canva (canva.com)
Origin publishing 1 machine-native manifest (AI Crawler User-Agent Tokens in robots.txt), measured by /check/canva.com/ on 2026-10-23.
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IdentifyObserved 2026-10-23chatgpt.com
Origin publishing 1 machine-native manifest (Web Bot Auth HTTP Message Signatures), measured by /check/chatgpt.com/ on 2026-10-23.
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ReadObserved 2026-10-23Chris Hood (chrishood.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/chrishood.com/ on 2026-10-23.
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ReadObserved 2026-10-23cloud.tencent.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/cloud.tencent.com/ on 2026-10-23.
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ReadObserved 2026-10-23code.visualstudio.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/code.visualstudio.com/ on 2026-10-23.
-
ReadObserved 2026-10-23copilotkit.ai
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/copilotkit.ai/ on 2026-10-23.
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ReadObserved 2026-10-23crawlytics.app
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/crawlytics.app/ on 2026-10-23.
-
ReadObserved 2026-10-23Cursor Origin (cursor.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/cursor.com/ on 2026-10-23.
-
ReadObserved 2026-10-23danads.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/danads.com/ on 2026-10-23.
-
ReadObserved 2026-10-23danilchenko.dev
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/danilchenko.dev/ on 2026-10-23.
-
ReadObserved 2026-10-23deepmind.google
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/deepmind.google/ on 2026-10-23.
-
ReadObserved 2026-10-23dev.to
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/dev.to/ on 2026-10-23.
-
PermitObserved 2026-10-25docs.cockroachlabs.com
CockroachDB Documentation — serves live MCP server (/.well-known/mcp.json -> /mcp), /llms.txt, Agent Skills index, and RFC 9727 api-catalog.
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CoordinateObserved 2026-06-05Drupal AGTP Module
Official Drupal module exposing site identity and agent capability manifests over the Agent Transfer Protocol (AGTP).
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ReadObserved 2026-10-23etsy.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/etsy.com/ on 2026-10-23.
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ReadObserved 2026-08-15Google Cloud Open Knowledge Format (OKF) Bundles
Google Cloud Knowledge Catalog and BigQuery sample bundles published in Open Knowledge Format (OKF v0.2).
-
ReadObserved 2026-10-23HubSpot (hubspot.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/hubspot.com/ on 2026-10-23.
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ReadObserved 2026-10-23juliamaehler.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/juliamaehler.com/ on 2026-10-23.
-
ReadObserved 2026-10-23karangoyal.cc
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/karangoyal.cc/ on 2026-10-23.
-
ReadObserved 2026-10-23kilo.ai
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/kilo.ai/ on 2026-10-23.
-
ReadObserved 2026-10-23Linear (linear.app)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/linear.app/ on 2026-10-23.
-
ReadObserved 2026-10-23mapsoft.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/mapsoft.com/ on 2026-10-23.
-
PermitObserved 2026-10-25mcp.asana.com
Asana Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata and remote MCP endpoint.
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PermitObserved 2026-10-25mcp.intercom.com
Intercom Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata and Streamable HTTP MCP endpoint.
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PermitObserved 2026-10-25mcp.wix.com
Wix Official MCP Server — serves RFC 9728 OAuth Protected Resource metadata and remote MCP endpoint.
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PermitObserved 2026-10-23mvnrepository.com
Origin publishing 1 machine-native manifest (AI Crawler User-Agent Tokens in robots.txt), measured by /check/mvnrepository.com/ on 2026-10-23.
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ReadObserved 2026-10-23OpenAI Developer Docs (developers.openai.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/developers.openai.com/ on 2026-10-23.
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ReadObserved 2026-10-23packalyst.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/packalyst.com/ on 2026-10-23.
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ReadObserved 2026-10-23pmg.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/pmg.com/ on 2026-10-23.
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PermitObserved 2026-10-23quora.com
Origin publishing 1 machine-native manifest (AI Crawler User-Agent Tokens in robots.txt), measured by /check/quora.com/ on 2026-10-23.
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PermitObserved 2026-10-23rslstandard.org
Origin publishing 1 machine-native manifest (Really Simple Licensing), measured by /check/rslstandard.org/ on 2026-10-23.
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ReadObserved 2026-10-23rtblint.org
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/rtblint.org/ on 2026-10-23.
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ReadObserved 2026-10-23shopify.com
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/shopify.com/ on 2026-10-23.
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ReadObserved 2026-10-23Slack (slack.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/slack.com/ on 2026-10-23.
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PermitObserved 2026-10-23Springer Nature (springernature.com)
Origin publishing 1 machine-native manifest (Text and Data Mining Reservation Protocol), measured by /check/springernature.com/ on 2026-10-23.
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ReadObserved 2026-10-23STM Association (stm-assoc.org)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/stm-assoc.org/ on 2026-10-23.
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ReadObserved 2026-10-23Stripe (stripe.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/stripe.com/ on 2026-10-23.
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ReadObserved 2026-10-23Sunil Prakash / AIP (sunilprakash.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/sunilprakash.com/ on 2026-10-23.
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PermitObserved 2026-10-23The Guardian (theguardian.com)
Origin publishing 1 machine-native manifest (Really Simple Licensing), measured by /check/theguardian.com/ on 2026-10-23.
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ReadObserved 2026-10-23Universal Commerce Protocol Spec (ucp.dev)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/ucp.dev/ on 2026-10-23.
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PermitObserved 2026-10-23Visa Developer Center (developer.visa.com)
Origin publishing 1 machine-native manifest (OAuth Protected Resource and Authorization Server Metadata (as used for agent authorization)), measured by /check/developer.visa.com/ on 2026-10-23.
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PermitObserved 2026-10-23xAI (x.ai)
Origin publishing 1 machine-native manifest (Content Signals Policy), measured by /check/x.ai/ on 2026-10-23.
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PermitObserved 2026-10-23Yahoo (yahoo.com)
Origin publishing 1 machine-native manifest (AI Crawler User-Agent Tokens in robots.txt), measured by /check/yahoo.com/ on 2026-10-23.
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ReadObserved 2026-10-23Yoast SEO (yoast.com)
Origin publishing 1 machine-native manifest (llms.txt), measured by /check/yoast.com/ on 2026-10-23.
Harnesses & Clients 20
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ReadObserved 2026-08-29Aider
Terminal AI pair-programming harness supporting AGENTS.md repository conventions and llms.txt documentation context loading.
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ReadObserved 2026-08-29Amp
Terminal and IDE coding harness natively consuming AGENTS.md, SKILL.md agent skills, and OAuth CIMD / MCP tool servers.
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ActObserved 2026-08-29Claude Code (Anthropic)
Anthropic's terminal and IDE coding harness; natively discovers SKILL.md agent skills, project CLAUDE.md and AGENTS.md instructions, and local or remote Streamable HTTP MCP servers.
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PresentObserved 2026-08-14CopilotKit
Full-stack agentic UI client and React harness co-authoring AG-UI and natively rendering A2UI surfaces, MCP Apps (ui://), and A2A or MCP agent streams.
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ReadObserved 2026-08-29Cursor
AI code editor and agent harness natively reading repository AGENTS.md conventions, SKILL.md bundles, and Model Context Protocol tool servers and MCP Apps.
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ReadObserved 2026-08-29Devin (Cognition)
Autonomous software engineering agent harness supporting repository AGENTS.md rules and Model Context Protocol tool servers.
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CoordinateObserved 2026-06-05Elemen (AGTP Browser)
Desktop browser harness that resolves and renders AGTP-registered agents as interactive identity and capability cards.
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ReadObserved 2026-08-29GitHub Copilot Coding Agent
GitHub's repository and IDE coding agent harness reading AGENTS.md, SKILL.md bundles, and remote or local MCP tool servers.
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CoordinateObserved 2026-07-31Google Agent Development Kit (ADK)
Google's open-source agent runtime and client harness with first-party support for A2A Agent Cards, MCP tool servers, AG-UI/A2UI rendering, and AP2 payment mandates.
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ActObserved 2026-02-18Google Chrome (WebMCP Early Preview)
Browser runtime shipping navigator.modelContext (provideContext and registerTool) from Chrome 146 behind the WebMCP for Testing flag so in-page scripts expose structured tools to browser agents.
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ReadObserved 2026-08-29Google Jules
Google's asynchronous coding agent reading repository AGENTS.md conventions and SKILL.md bundles.
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ActObserved 2026-08-29Goose (Block)
Block's open-source local machine agent harness built natively on Model Context Protocol tool servers, MCP Apps, Agent Client Protocol (ACP), and AGENTS.md.
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ActObserved 2026-08-24JetBrains IDEs (AI Assistant and Junie)
Co-author of the Agent Client Protocol (ACP) with Zed; supports ACP agent backends, MCP tool servers, AGENTS.md, and SKILL.md in JetBrains IDEs.
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ActObserved 2026-02-18Microsoft Edge (WebMCP)
Co-authored W3C Web Machine Learning Community Group specification for navigator.modelContext in Chromium browser runtimes.
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ReadObserved 2026-08-29OpenAI Codex and ChatGPT Connectors
OpenAI's coding harness and ChatGPT client runtime; co-steward of AGENTS.md, native consumer of SKILL.md, remote MCP servers, MCP Apps, and ACP Instant Checkout.
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ReadObserved 2026-08-29OpenCode
Open-source terminal coding harness natively reading AGENTS.md, SKILL.md bundles, and MCP/ACP servers.
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PayObserved 2026-09-04pay.sh (Agent Payment CLI and Runtime)
Multi-protocol payment client and CLI enabling autonomous agents to inspect HTTP 402 challenges and execute payments across x402, MPP, ACP, AP2, and TAP.
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ActObserved 2026-08-29Visual Studio Code (Copilot and MCP Client)
Desktop IDE client supporting MCP server discovery, RFC 9728 OAuth 2.1 Protected Resource flows, MCP Apps interactive UI views, and AGENTS.md.
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ReadObserved 2026-08-29Windsurf (Cognition)
Agentic IDE (Cascade harness) consuming MCP tool servers, repository AGENTS.md conventions, and llms.txt documentation indexes.
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ActObserved 2026-08-24Zed Editor
Multiplayer code editor co-authoring the Agent Client Protocol (ACP) and natively consuming Model Context Protocol servers and AGENTS.md files.
Venues & Facilitators 22
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IdentifyObserved 2026-08-138004.org / ERC-8004 Trustless Agents Registry
Multi-chain discovery venue indexing on-chain ERC-8004 agent registrations, A2A Agent Cards, MCP endpoints, and x402 payment support.
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DiscoverObserved 2026-10-23Agent Community / Open Agent Registry (AID)
Public registry for Agent Identity and Discovery (AID) DNS _agent TXT records, publishing its own live A2A Agent Card, ai-catalog.json, and auth.md.
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ActObserved 2026-06-15AgenticAdvertising.org (AdCP Clearinghouse)
Open advertising industry venue standardizing media buying, audience activation, and brand context over Ad Context Protocol (/.well-known/adagents.json).
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DiscoverObserved 2026-07-23AGNTCY Agent Directory Service (Linux Foundation)
OCI and Kademlia DHT content-addressed agent directory service storing OASF capability records and exporting ai-catalog.json manifests.
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PayObserved 2026-04-08Circle x402 Facilitator and Agent Marketplace
Circle's hosted x402 v2 facilitator (x402.circle.com), gasless nanopayment batching settlement engine, and autonomous agent service marketplace.
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PayObserved 2025-07-01Cloudflare Pay Per Crawl
Cloudflare's edge monetization service (closed beta) gating AI crawler fetches with HTTP 402 pricing headers, Web Bot Auth cryptographic verification, and aggregated monthly payouts to publishers via Stripe.
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PayObserved 2026-10-23Coinbase CDP x402 Facilitator and Bazaar
Coinbase Developer Platform's hosted HTTP 402 payment verification and USDC settlement facilitator on Base and Solana, paired with the x402 Bazaar discovery index.
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PermitObserved 2026-08-29Crawlytics AI Crawler Directory
Public registry tracking AI crawler User-Agent tokens, operator verification rules, and robots.txt policies.
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PayObserved 2026-07-07GoPlausible x402 Bazaar and Open Facilitator
Multi-network open x402 facilitator and machine-payable service bazaar supporting Algorand, Base, and EVM settlement.
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DiscoverObserved 2026-07-15Infoblox DNS-AID Registry (Linux Foundation)
Reference DNS SVCB (_agents._DNS-AID) discovery publisher and resolver donated to the Linux Foundation by Infoblox.
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ActObserved 2026-10-23Kakao PlayMCP Gateway and Toolbox Registry
Kakao's hosted Model Context Protocol registry and gateway publishing ai-catalog.json, RFC 9727 api-catalog, OAuth metadata, and llms.txt.
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PayObserved 2026-08-29Lightning Labs Aperture L402 Facilitator Proxy
Reference L402 reverse proxy (Aperture) issuing Macaroon + Lightning invoice HTTP 402 challenges to meter API and agent requests.
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CoordinateObserved 2026-10-23Neuronto Agentic Web Index
Origin publishing 5 machine-native manifests (Agent2Agent Protocol, AI Catalog well-known file, api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs, Agentic Resource Discovery (+1 more)), measured by /check/neuronto.com/ on 2026-10-23.
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PayObserved 2026-07-23Nevermined x402 Facilitator and Metering Clearinghouse
Usage-metering and settlement facilitator supporting ERC-4337 session keys, credit burning, and x402 payment extensions for A2A and MCP services.
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ActObserved 2026-08-29Official MCP Registry
Canonical community-maintained metadata registry for publicly accessible and installable Model Context Protocol servers.
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PayObserved 2026-07-02QNTX and ClawPlaza ERC-8183 Job Escrow Markets
On-chain agentic job escrow and evaluator settlement marketplaces implementing the ERC-8183 Agentic Commerce contract interface.
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PermitObserved 2026-06-24RSL Collective (Really Simple Licensing)
Rights-holder collective and licensing clearinghouse administering machine-readable rsl.xml terms and Open Licensing Payment (OLP 402) tokens.
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PayObserved 2026-08-29SatGate L402 API Gateway
Hosted L402 Lightning payment gateway metering agent and machine API calls via HTTP 402 Macaroon challenges.
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PayObserved 2026-08-21Shopify Agentic Storefronts and Catalog Venue
Multi-merchant commerce venue exposing Shopify merchant catalogs and checkout flows over Universal Commerce Protocol (UCP), ACP, NLWeb, and Storefront MCP.
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PayObserved 2026-09-04Stripe and Tempo Machine Payments Protocol (MPP) Directory
Machine Payments Protocol service directory (mpp.dev/services) and HTTP 402 Payment challenge settlement rail for Stripe PaymentIntents and Tempo stablecoins.
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PermitObserved 2026-07-15TollBit Content Licensing and Bot Paywall Clearinghouse
Two-sided publisher content licensing marketplace and edge bot paywall issuing agent access tokens and metering per-scrape publisher payouts.
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PayObserved 2026-08-29UCP Registry
Third-party directory indexing merchants and storefronts publishing /.well-known/ucp Universal Commerce Protocol manifests.
Trust & Wallet Authorities 21
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IdentifyObserved 2026-10-23Aembit Workload and Agent IAM
Non-human workload identity authority brokering secretless Agent OAuth (AAuth), SPIFFE SVIDs, and RFC 9728 credentials for autonomous agents.
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IdentifyObserved 2026-07-02BNB Chain BNBAgent SDK and Identity Authority
On-chain identity (ERC-8004), job escrow (ERC-8183), and x402 settlement SDK for autonomous agents on BNB Smart Chain and opBNB.
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PermitObserved 2026-07-17Brickken RAMS (ERC-8226 RWA Agent Mandate Authority)
Reference mandate and compliance authority (IAgentMandate, IComplianceProvider) governing autonomous agent operations over tokenized real-world assets.
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PayObserved 2026-04-08Circle Agent Stack and Programmable Wallets
Developer wallet authority providing policy-controlled USDC wallets, ERC-8004 identity registration, and automated x402/MPP payment signing for agents.
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IdentifyObserved 2026-10-23Cloudflare Web Bot Auth Key Directory
Edge verification authority validating /.well-known/http-message-signatures-directory JWKS keys, Signature-Agent cards, and RFC 9421 bot signatures.
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PayObserved 2026-10-23Coinbase AgentKit and CDP Server Wallets
Programmable MPC wallet authority and policy engine equipping autonomous agents with on-chain identities, spending policies, and automatic x402 signing.
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IdentifyObserved 2026-01-29ERC-8004 Canonical Registry Contracts (Mainnet and 16 Chains)
Singleton on-chain Identity (0x8004A169...) and Reputation (0x8004BAa1...) Registry contracts anchoring portable agent DIDs across Ethereum mainnet and 16 EVM chains.
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PayObserved 2026-07-31FIDO Alliance (Verifiable Intent and AP2 Working Group)
Cryptographic standards authority hosting the Verifiable Intent working group and stewarding the Agent Payments Protocol (AP2).
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IdentifyObserved 2026-07-15GoDaddy Agent Name Service (ANS) Authority
DNSSEC and X.509 Certificate Transparency naming authority binding versioned ans:// agent identifiers to public keys and capability manifests.
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PermitObserved 2026-06-15Grantex Delegated Agent Authorization Protocol (DAAP)
Reference OAuth 2.0 delegated grant authority implementing the draft-mishra-oauth-agent-grants specification.
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AccountObserved 2026-03-05Mastercard Agent Pay and Verifiable Intent
Mastercard and Google's SD-JWT cryptographic intent authority binding user passkey approvals and EMV payment tokens to autonomous agent actions.
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CoordinateObserved 2026-10-23Mnemom Cryptographic Agent Trust Service
Cryptographic behavioral attestation and agent integrity authority publishing 12 verified manifests including A2A Agent Card, MCP Server Card, and agents.txt.
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PermitObserved 2026-08-29Okta and Auth0 Cross App Access (XAA)
Enterprise Identity Provider issuing Identity Assertion Authorization Grants (XAA / ID-JAG) and OAuth 2.1 tokens for agent-to-SaaS and MCP delegation.
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PermitObserved 2026-07-02OpenA2A Agent Authorization Protocol (AAP) Authority
Reference OAuth 2.0 profile and token claim authority (agent_identity, task_binding, delegation_chain, oversight_requirements) for multi-hop agent delegation.
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IdentifyObserved 2026-10-23Openfort Agentic Wallets
Non-custodial ERC-4337 smart account and session-key authority with native ERC-8004 agent identity registration and x402 spending guardrails.
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PayObserved 2026-09-04Privy (by Stripe) Agent and Server Wallets
TEE-backed key custody and policy engine enabling autonomous agents to sign x402 and MPP payment payloads within strict quorum and spend rules.
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AccountObserved 2026-10-23Rako Agent Attribution Protocol (AAP) Authority
Cryptographic referral and attribution authority issuing signed attribution tokens for AI agent commerce and publisher traffic.
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IdentifyObserved 2026-08-29SPIFFE and SPIRE Workload Identity Control Plane (CNCF)
CNCF graduated cryptographic workload identity authority issuing short-lived X.509 and JWT SVIDs (spiffe://trust-domain/workload) to agent runtimes.
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PayObserved 2026-10-23VCAP: Verified Commerce for Agent Protocols (SwarmSync.AI)
Author's agent-to-agent (A2A) marketplace and reference escrow environment for draft-stone-vcap (swarmsync.ai), publishing llms.txt.
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IdentifyObserved 2026-04-28Visa Intelligent Commerce (Trusted Agent Protocol)
Visa's cryptographic agent recognition and payment-mandate authority verifying RFC 9421 bot signatures and consumer payment credentials at merchant checkout.
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PermitObserved 2026-10-23WorkOS AuthKit and Agent Auth
Enterprise identity and MCP authorization authority publishing live auth.md, OAuth CIMD, RFC 9728 Protected Resource metadata, and XAA ID-JAG token support.
Agents 14
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CoordinateObserved 2026-07-23AgentConnect (ANP DID:WBA Agent Node)
Reference peer-to-peer agent node implementing Agent Network Protocol (ANP) did:wba authentication and JSON-LD capability negotiation.
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CoordinateObserved 2026-10-23Agora Protocol Reference Origin (Oxford Demo)
Reference origin and protocol demonstration for the Oxford Agora Protocol meta-protocol negotiation layer.
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CoordinateObserved 2026-05-30CoralSec Copilot
Unified enterprise SOC agent built on Coral Protocol's MCP and Coral SQL layer joining GitHub, Sentry, Slack, and Vercel security telemetry.
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CoordinateObserved 2026-05-31CoralTeams
Multi-agent operational intelligence system built on Coral Protocol unifying GitHub and Slack incident monitoring.
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DiscoverObserved 2026-07-15Deutsche Telekom Frag Magenta (Eclipse LMOS Agent)
Production multi-agent customer-service system at Deutsche Telekom routing across specialized domain agents over Eclipse LMOS (Language Model Operating System).
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CoordinateObserved 2026-08-29IBM BeeAI Multi-Agent Runtime
Originating multi-agent runtime for the Agent Communication Protocol (ACP-IBM), now merged with Linux Foundation A2A.
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ActObserved 2026-08-29LangChain LangGraph Platform Agent Server
Stateful agent server implementing the AI Engineer Foundation Agent Protocol (/runs, /threads, /store) alongside MCP and AG-UI streaming.
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CoordinateObserved 2026-02-25NEAR AI Shade Workers (AITP Agent Runtime)
TEE-hosted autonomous agent runtime implementing the Agent Interaction and Transaction Protocol (AITP) for cross-boundary structured threads and payments.
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CoordinateObserved 2026-05-31PatchPoint
Autonomous vulnerability impact mapper on Coral SQL correlating GitHub, Linear, and Slack CVE data.
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CoordinateObserved 2026-05-31Reef (Coral Incident Agent)
Production incident triage agent on Coral Protocol combining Sentry webhooks and Slack coordination.
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DiscoverObserved 2026-10-23Salespeak B2B Buyer Concierge Agent
Origin publishing 6 machine-native manifests (AI Catalog well-known file, AI Crawler User-Agent Tokens in robots.txt, Agentic Resource Discovery, llms.txt (+2 more)), measured by /check/salespeak.ai/ on 2026-10-23.
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IdentifyObserved 2026-10-09Sierra (Personal Agent Protocol Design Partner)
Enterprise customer-experience agent platform co-designing the Personal Agent Protocol for brand-to-personal-agent handshakes.
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ActRecorded 2026-09-06Wildcard Bridge Reference Agents (Stripe, Resend, Rootly, Sheets)
Reference tool-chaining agents consuming /.well-known/agents.json workflow bundles on top of OpenAPI specs.
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AccountObserved 2026-03-07ZeroClaw Autonomous Assistant
Open-source autonomous personal-assistant runtime implementing a Rust-native Verifiable Intent SD-JWT credential module for commerce authorization.
Probed origins
Every origin our MCP probe has checked, with what it found. Probed origins are whoever was asked about, not a sample; every count on this site is a floor, not a rate. Census generated 2026-10-26.