Changelog

Every recorded change to the wiki.agenticweb/probe MCP server and to the 132 standards on this map, newest first. Subscribe via Atom/RSS (/feed.xml) or JSON Feed (/feed.json). For factual and scoring corrections, see the Errata log; for live operational health, see /status/.

MCP server releases

2026-10-25 — v1.3.0 (Public Preview) — Unified SemVer across server.json, /mcp/server-card, and JSON-RPC initialize; added staging channel at /mcp/preview; added tool stability tiers (beta with 30-day deprecation notice for read/generation tools; experimental for probe and validate_manifest); added content_trust: "untrusted_external_origin" metadata on outbound probes; shipped 20 cross-tool accuracy and coherence fixes across probe, validate_manifest, has, define, get, search, and ask (see /errata/).

Standards & dataset history

2026-10-30 — Web Bot Auth — Converted to the IETF tracker row structure (handoff pack 1); display fields, evidence and lists regenerated from the page.
2026-10-30 — ai.txt — upgraded to 5-part verified article: added Spawning's 2023 /ai.txt primary sources and live deployments, unified Kayla Cardillo's draft-car-ai-txt-wellknown-00 (2026-06-12) with kaylacar/ai-txt, and documented IANA's 2026-03-16 rejection of well-known URI filings #76 and #77
2026-10-30 — AI Agent Authentication and Authorization — Frozen history page (Decided by Jack, 30 Oct 2026): no IETF tracker row or ietf_tracker block; tracker updates for draft-ietf-wimse-aims go to wimse-aims only; phase set to replaced; display fields, evidence and lists regenerated from the page.
2026-10-30 — OpenA2A Agent Authorization Protocol — Converted to the IETF tracker row structure (handoff pack 1); display fields, evidence and lists regenerated from the page.
2026-10-29 — Agent Payments Protocol (AP2) — Re-verified 5-part article against 35 sources on 2026-10-29: 2 live AP2 v0.1 endpoints (SingleFax, AlgoVoi), UCP AP2 Mandates extension check, 6 payment network/processor statements, and 3 research/press sources.
2026-10-29 — Machine Payments Protocol (MPP) — Re-verified 5-part article against 30 primary, live HTTP 402 endpoint, vendor, and coverage sources.
2026-10-29 — ERC-8004: Trustless Agents — verified 5-part article against EIP-8004 primary spec, GitHub commit history, 8004.org, live /.well-known/agent-registration.json deployments, explorers/SDKs, and arXiv:2606.26028
2026-10-29 — ERC-8183: Agentic Commerce — Added verified Who uses it (Virtuals Protocol on Base mainnet, Circle on Arc Testnet, OKX Wallet announced) and Who reads it (Virtuals ACP SDK, Virtuals ACP CLI, Circle Wallets testnet demo)
2026-10-29 — NLWeb — Re-verified 5-part article against 32 primary, live endpoint, vendor, and coverage sources.
2026-10-29 — AIPREF Content-Usage Attachment — verified 5-part article against draft-ietf-aipref-attach-05, IETF Datatracker, ai-control mailing list, and live robots.txt / Content-Usage header deployments
2026-10-29 — AI Catalog well-known file — upgraded to 5-part verified record across 54 primary sources including Agent-Card/ai-catalog specVersion 1.0 draft, ADRs 0014/0017/0027/0028/0029, SEP-2127 Final, ARD v0.9/v0.91, Rust/Go/CLI SDKs, Lighthouse v13.5.0, and live /.well-known/ai-catalog.json publishers
2026-10-29 — DNS-AID (DNS for AI Discovery) — 5-part high-accuracy verification sweep across 19 primary IETF drafts, DoH census queries, reference implementation repositories, and vendor press sources.
2026-10-29 — Agent Name Service v2 (ANS) — 5-part verification against draft-narajala-courtney-ansv2-02, OWASP ANSv1, GoDaddy C2SP transparency log tiles, and Linux Foundation announcement
2026-10-29 — Agent Discovery Protocol (ADP) v1.1 — 5-part short verified entry against draft-pro-adp-agent-discovery-02 text and IETF Datatracker document/API records (4 primary sources)
2026-10-29 — OpenAI Apps SDK manifests — 5-part high-accuracy verification sweep across 33 primary specifications, OpenAI plugin docs, vendor announcements, and press sources.
2026-10-29 — Ad Context Protocol (AdCP) — 5-part high-accuracy verification across 39 primary sources (release v3.2.8)
2026-10-29 — Trusted Agent Protocol (TAP) — Re-verified 5-part article against 24 primary, vendor, and coverage sources.
2026-10-29 — Agora Protocol — 5-part high-accuracy verification across 28 primary specification, arXiv, GitHub, PyPI, and Hugging Face sources
2026-10-29 — Agora (agent marketplace protocol) — Added verified Who uses it and Who reads it sections; updated contract V2 Base Sepolia status (2026-05-29) and audit dispute note
2026-10-29 — Secure Low-Latency Interactive Messaging (SLIM) — upgraded to 5-part verified record across 39 primary sources including slim-v3.4.6 / slimctl-v3.4.6, draft-mpsb-agntcy-slim-02, draft-mpsb-agntcy-messaging-02, IETF 126 DMSC minutes, a2aproject/experimental-cpb-slimrpc, a2a-slimrpc, SEP-2598, and Remaker-Digital/agntcy-on-azure
2026-10-29 — agent-permissions.json — 5-part verified record (42 sources): las-wg/agent-permissions.json specification, arXiv:2601.02371v1/v2, las-wg/info charter and voting members, las-wg/agent-permissions-python v0.1.0, las-wg/agent-permissions-generator, permissioning.ai v0.1, Ajar Protocol, and aibuddy Docs.
2026-10-29 — Agent Readability Spec — 5-part verification against Vercel/Ora Make your site readable by AI agents (v1.0), AgentReady v2.0 (agentready-org/standard), @vercel/agent-readability (v0.7.0), and Timothy Jordan's a14y (v0.2.0)
2026-10-29 — Eclipse LMOS (Language Model Operating System) — 5-part high-accuracy verification across 32 primary Eclipse, W3C, Deutsche Telekom, GitHub, and press sources
2026-10-29 — Agent Connect Protocol — upgraded to 5-part verified record across 45 primary sources including AGNTCY launch posts, acp-spec v0.2.3 OpenAPI 3.1.1, governance issue #30 deprecation in favour of A2A, OASF v0.8.0/v1.1.0 deprecation, docs removal PRs #191/#270/#335, and April 11 2026 archival
2026-10-29 — Natural Language Interaction Protocol (NLIP) — 5-part high-accuracy verification across 32 primary Ecma standards, PDFs, arXiv, PyPI, and GitHub sources
2026-10-29 — EMV® Agentic Payments – Framework for Specifications — 5-part verification against EMVCo v1.0 DRAFT resource page, press releases, Q3 2026 newsletter, and OpenID Foundation comments
2026-10-29 — Identity Assertion JWT Authorization Grant (ID-JAG) — 5-part high-accuracy verification across 34 primary sources
2026-10-29 — AI Identity Management System (AIMS) — 5-part high-accuracy verification across 22 primary sources
2026-10-29 — AAuth (Hardt) — 5-part high-accuracy verification across 36 primary sources
2026-10-29 — Cloudflare Pay Per Crawl — Added verified Who uses it and Who reads it sections; updated title case to Cloudflare Pay Per Crawl and status to closed beta (as of 2026-07-28), launched as a private beta on 2025-07-01
2026-10-29 — An Audit Record Format for AI Agent Authorization Decisions — 5-part short verified entry against draft-gilda-audit-agent-audit-record-02 text and IETF Datatracker document/API records (5 primary sources)
2026-10-29 — GB/Z 185 Artificial intelligence — Agent interconnection — 5-part high-accuracy verification across 26 primary sources
2026-10-29 — x401: HTTP Proof Requirement Protocol — upgraded to 5-part verified record across 31 primary sources including x401 0.2.0 and 0.1.0 specs, proof/x401 repo & commit 13b17b5, x401.id, @proof.com/x401-workers, Superfluid Wallet, solidusnetwork/x401 live demo route, draft-brezun-human-continuity-http-00, and four name collisions
2026-10-29 — KYA-OS (Know Your Agent Operating System) — 5-part verified review against SPEC.md, SPEC-ENTITY-CARD.md, GOVERNANCE.md, DIF TAAWG task force notes, and live demo-mcp.kya-os.ai endpoints (26 primary sources)
2026-10-29 — KYAPay Token — 5-part verified record (39 sources): draft-skyfire-oauth-kyapay-token-02, draft-skyfire-oauth-using-kyapay-tokens-01, draft-skyfire-oauth-kyapay-token-exchange-01, OAuth WG list reviews, Skyfire JWKS & docs, Apify, Forter/Jomashop, Sequentum, Visa/Consumer Reports, Mastercard, Experian, Akamai, hCaptcha, and IANA CSV registries.
2026-10-29 — OAuth Client ID Metadata Document — 5-part high-accuracy verification sweep across 71 primary IETF drafts, MCP specifications, live OAuth client metadata and authorization server endpoints, SDK implementations, and press sources.
2026-10-29 — Agent Commerce Kit (ACK) — 5-part high-accuracy verification across 51 primary and independent sources
2026-10-29 — Workload Authorization Grant (WAG) — 5-part high-accuracy verification across 25 primary sources
2026-10-29 — Identity Continuation Assertion for OAuth 2.0 Token Exchange — 5-part short verified entry against draft-mcguinness-oauth-id-continuation-assertion-02 text and IETF Datatracker document/API records (4 primary sources)
2026-10-29 — An Attenuated Delegation Profile for Automated Agents — 5-part short verified entry against draft-hamr-oauth-agent-delegation-03 text and IETF Datatracker document/API records (5 primary sources)
2026-10-29 — Open Responses — 5-part high-accuracy verification sweep across 24 primary Open Responses specifications, LF AAIF charter/press documents, provider docs, and press coverage.
2026-10-28 — Model Context Protocol — Re-verified 5-part article against 27 sources on 2026-10-28: 5 live remote MCP endpoints (Hugging Face and Cloudflare via server/discover HTTP 200; GitHub Copilot, Stripe, and Linear via HTTP 401 + RFC 9728 OAuth protected-resource metadata HTTP 200), 7 client vendor statements, and 3 press sources.
2026-10-28 — Agent2Agent Protocol (A2A) — Re-verified 5-part article against 24 sources on 2026-10-28: 5 live /.well-known/agent-card.json endpoints (Telnyx, Redocly, Pangram, Ticket Fairy, Warp Freight), 6 vendor implementations, and 3 press sources.
2026-10-28 — Agent Client Protocol — verified 5-part structure (v1.13.0 / schema v1.27.0 / schema v2.0.0-alpha.10, 40 primary/secondary sources)
2026-10-28 — Universal Commerce Protocol (UCP) — Verified 5-part article against 41 primary and secondary sources.
2026-10-28 — x402 — Re-verified 5-part article against 27 sources on 2026-10-28: 5 live HTTP 402 x402 v2 endpoints (CoinGecko, CoinMarketCap, Bitrefill, Apify, OneSource), 5 vendor implementations, and 2 independent coverage sources.
2026-10-28 — WebMCP — Re-verified 5-part article against 27 sources on 2026-10-28: 5 production pages shipping registerTool() calls, 6 client/agent vendor statements, and 3 press sources.
2026-10-28 — HTTP Message Signatures — verified 5-part structure (RFC 9421 + IANA 2026-10-23 ML-DSA algorithms, 35 sources)
2026-10-28 — Agentic Resource Discovery (ARD) — Re-verified 5-part article against 24 sources on 2026-10-28: 5 live /.well-known/ard.json deployments (Buildkite, Railway, Netlify, Supabase, Fly.io), 4 vendor/tooling implementations, and 3 press sources.
2026-10-28 — Agent Identity & Discovery (AID) — verified 5-part structure (v2.1.1, 27 sources)
2026-10-28 — Agent-User Interaction Protocol (AG-UI) — Verified 5-part article against 38 primary and secondary sources.
2026-10-28 — Open Knowledge Format — upgraded to 5-part verified format with 4 live OKF bundles, 6 reader quotes, 3 recent coverage items, and 17 primary-source references
2026-10-28 — SPIFFE (Secure Production Identity Framework for Everyone) — verified 5-part structure (SPIRE v1.15.5, 39 sources)
2026-10-28 — Workload Identity in Multi System Environments (WIMSE) — Verified 5-part article against 42 primary and secondary sources.
2026-10-28 — api-catalog (RFC 9727) — Re-verified 5-part article against 18 sources on 2026-10-28: 5 live /.well-known/api-catalog linkset deployments (Hugging Face, Vercel, ClickHouse, Fly.io, Cloudflare Developers), 3 tooling/checker vendor docs, and 3 independent coverage sources.
2026-10-28 — MCP Server Cards — Re-verified 5-part article against 20 sources on 2026-10-28: 5 live SEP-2127 Server Card endpoints (GitHub, Hugging Face, Exa, Context7/Upstash, Buildkite), 2 tooling/SDK sources, and 3 coverage sources.
2026-10-25 — agents.json — version updated to 0.1.3 (latest specification release prior to repository dormancy on 2025-08-21)
2026-10-24 — Ad Context Protocol (AdCP) — version v3.2.7
2026-10-23 — Ad Context Protocol (AdCP) — version v3.2.6
2026-10-23 — Identity Assertion JWT Authorization Grant (ID-JAG) — draft-ietf-oauth-identity-assertion-authz-grant-04 expires on 2026-11-22
2026-10-23 — Discovery of Model Context Protocol Servers via DNS TXT Records — A newer revision, draft-morrison-mcp-dns-discovery-09, now exists; the -08 page is marked as an older version of an Internet-Draft whose latest revision is Active.
2026-10-23 — Agent Delegation Receipts — revision 14 → 15
2026-10-23 — Agent-Channel Frame for Identity-Keyed Fan-Out Delivery to Concurrent Sessions — revision 02 → 03
2026-10-23 — OpenTelemetry GenAI Semantic Conventions (agents and MCP) — source reachable again
2026-10-23 — JAFAR: A JSON-Based Format for Publishing IP Ranges of Automated HTTP Clients — revision 00 → 01
2026-10-23 — An Attenuated Delegation Profile for Automated Agents — revision 02 → 03
2026-10-22 — Agent Skills — Anthropic donated Agent Skills to the Linux Foundation Agentic AI Foundation (AAIF); track updated to linux-foundation
2026-10-22 — A Framework for Agent Discovery in DAWN — revision draft-zhang-dawn-agent-discovery-framework-08 → 09
2026-10-22 — OpenTelemetry GenAI Semantic Conventions (agents and MCP) — source github:otel-genai-semconv:open-telemetry/semantic-conventions-genai unavailable after 3 failures
2026-10-22 — JAFAR: A JSON-Based Format for Publishing IP Ranges of Automated HTTP Clients — draft-illyes-webbotauth-jafar-00 expires on 2026-10-23
2026-10-21 — Agent2Agent Protocol (A2A) — a2a-sdk 1.2.3 published 2026-10-19
2026-10-20 — Model Context Protocol — server-card evidence line marked superseded (SEP-2127 Final; repo renamed to ext-server-card)
2026-10-20 — Model Context Protocol — probe now uses server/discover for 2026-07-28 with initialize as the legacy fallback; SEP-2127 card is Final; three registry censuses recorded with their units and dates
2026-10-20 — Agent2Agent Protocol (A2A) — AAIF membership (17 August 2026) added beside the Linux Foundation TSC; probe accepts v1.0 supportedInterfaces cards and legacy v0.3 cards; four card-version censuses recorded with their frames
2026-10-20 — Web Bot Auth — intended status corrected to Standards Track; predecessor draft history corrected
2026-10-20 — Web Bot Auth — noted the expired use-cases memo draft-nottingham-webbotauth-use-cases-02 (2026-04-01, expired 2026-10-03); verified against the datatracker page and the -02 text (IETF rsync archive)
2026-10-20 — Web Bot Auth — Cloudflare verifier note added: documentation updated 8 October 2026; @query-params and @status fail verification there
2026-10-20 — Ad Context Protocol (AdCP) — spec_url updated from pinned 3.1.20 docs to the docs home (current release v3.2.5)
2026-10-20 — Agent Authorization Profile — noted that draft-fane-opena2a-aap-02 is a different, unexpired draft and is recorded as opena2a-aap; this record stays draft-aap-oauth-profile-01
2026-10-20 — AI crawler tokens in robots.txt — noted the expired crawler best-practices draft draft-illyes-aipref-cbcp-04 (2026-04-09, expired 2026-10-11); verified against the datatracker page and the -04 text (IETF rsync archive)
2026-10-20 — agents.json — collision with the unrelated agents.json format served by Zapier and Cloudflare recorded
2026-10-20 — AI Agent Authentication and Authorization — version, spec_url and dispute moved to draft-ietf-wimse-aims-00
2026-10-20 — AI Identity Management System (AIMS) — noted draft-thaha-wimse-agent-evidence-binding-00 (individual input to AIMS on audit evidence, 2026-10-19); verified against the datatracker page and the -00 text (IETF rsync mirror)
2026-10-20 — An Audit Record Format for AI Agent Authorization Decisions — renamed draft: label, spec_url, summary and status moved to draft-gilda-audit-agent-audit-record-00
2026-10-20 — An Audit Record Format for AI Agent Authorization Decisions — noted draft-thaha-wimse-agent-evidence-binding-00, which defines an in-toto predicate designed to compose with this audit record format; verified against the -00 text (IETF rsync mirror)
2026-10-20 — MCP Server Cards — location per Final SEP-2127, conformant publishers, and the unofficial /.well-known/mcp/server-card.json convention recorded
2026-10-20 — MCP Server Cards — SEP-2127 recorded as an Extensions Track charter: AI Catalog discovery, server-card media type, extension-repo wire format, and the SEP-1649 /.well-known/mcp.json path
2026-10-20 — A Framework for Agent Discovery in DAWN — updated to revision -08 (2026-10-19), verified against the IETF archive
2026-10-20 — Agent Delegation Receipts — updated to revision -14 (2026-10-15)
2026-10-20 — GB/Z 185 Artificial intelligence — Agent interconnection — initial record; verified against the SAMR standards records for Parts 1 and 7, the openstd full-text entry, the SAMR press conference of 2026-06-26 and the AIP project news page
2026-10-20 — Agentic Mobile Protocol (AMP) — initial record; verified against github.com/ant-intl/AMP (repo metadata, Overview.md, Intent Trust Domain.md) and Ant International's 2026-04-28 launch release; rollout via The Paypers
2026-10-20 — x401: HTTP Proof Requirement Protocol — initial record; verified against x401.proof.com/spec/latest/, github.com/proof/x401 and Proof's launch and Superfluid posts
2026-10-20 — KYA-OS (Know Your Agent Operating System) — initial record; verified against SPEC.md in decentralized-identity/kya-os-mcp (status line, §10 well-known endpoint) and DIF's posts of 2026-03-05 and 2026-04-22
2026-10-20 — KYAPay Token — initial record; verified against the datatracker record and -02 text of draft-skyfire-oauth-kyapay-token, and Skyfire's live JWKS
2026-10-20 — CoMP (Content Monetization Protocols) — initial record; verified against IAB Tech Lab's CoMP initiative page and CoMP-1.0.md on the main branch of github.com/IABTechLab/CoMP
2026-10-20 — Agent Commerce Kit (ACK) — initial record; verified against agentcommercekit.com/overview/concepts and github.com/agentcommercekit/ack
2026-10-20 — OpenTelemetry GenAI Semantic Conventions (agents and MCP) — initial record; verified against open-telemetry/semantic-conventions-genai (docs/gen-ai/gen-ai-agent-spans.md, docs/gen-ai/mcp.md, README and repository metadata)
2026-10-20 — ERC-8001: Agent Coordination Framework — initial record; verified against eips.ethereum.org/EIPS/eip-8001, the ERCs repository file and commit history (Last Call 2025-12-02, Final 2025-12-16), and eips.ethereum.org/EIPS/eip-8107 (related ENS Trust Registry, Review)
2026-10-20 — ERC-8126: AI Agent Verification — initial record; verified against eips.ethereum.org/EIPS/eip-8126, the ERCs repository file and commit history (Last Call 2026-05-12, Final 2026-06-02), and the ERC-8004 EIP page (Draft); dispute recorded: Final while its dependency ERC-8004 is Draft
2026-10-20 — ERC-8196: AI Agent Authenticated Wallet — initial record; verified against eips.ethereum.org/EIPS/eip-8196 and the ERCs repository file and commit history (Final 2026-07-21)
2026-10-20 — ERC-8444: Agentic Resource Discovery (ARD) Onchain — initial record; verified against eips.ethereum.org/EIPS/eip-8444 and the ERCs repository file erc-8444.md (Draft, 2026-10-12)
2026-10-20 — JAFAR: A JSON-Based Format for Publishing IP Ranges of Automated HTTP Clients — initial record; verified against the datatracker page and the -00 text (IETF rsync mirror); expires 2026-10-23
2026-10-20 — Anonymous Bot Authentication — initial record; verified against the datatracker page and the -01 text (IETF rsync mirror)
2026-10-20 — Workload Authorization Grant (WAG) — added from staged research 2026-10-20; header read from draft-carleton-workload-authz-grant-01
2026-10-20 — Identity Continuation Assertion for OAuth 2.0 Token Exchange — added from staged research 2026-10-20; header read from draft-mcguinness-oauth-id-continuation-assertion-02
2026-10-20 — An Attenuated Delegation Profile for Automated Agents — added from staged research 2026-10-20; header read from draft-hamr-oauth-agent-delegation-02
2026-10-20 — OpenA2A Agent Authorization Protocol — added from staged research 2026-10-20; header read from draft-fane-opena2a-aap-02. Kept separate from the expired aap record (draft-aap-oauth-profile-01).
2026-10-19 — ID MANDAT: A Machine-Readable Credential for the Agents of a Company — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-koenig-idmandat-credential-00)
2026-10-19 — LWS 1.0 Authentication Suite: Self-signed Identity using Controlled Identifiers — initial candidate record from primary source (https://w3.org/TR/lws10-authn-ssi-cid)
2026-10-19 — Workload Identity Metadata — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-heigh-wimse-workload-identity-metadata-00)
2026-10-19 — High-Assurance Agent Control Envelope — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-watts-high-assurance-agent-control-envelope-00)
2026-10-19 — Per-Call Proof for Local Tool Invocation by AI Agents — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-lee-wimse-local-tool-call-proof-01)
2026-10-19 — Agent Authorization Envelope — initial candidate record from primary source (https://insights.bostonidentity.com/research/ietf-datatracker-2026-05-21-agent-authorization-envelope-aae)
2026-10-19 — Agent-to-Wallet Protocol for Digital Credentials — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-senarath-a2wp-01)
2026-10-19 — Agent Decision Commitments for Payments — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-milan-agent-decision-commitment-00)
2026-10-17 — Model Context Protocol — prose brought in line with the infobox and history: SEP-2127 Server Cards are Final (2026-10-06), not experimental; reserved location, media type and the superseded /.well-known/mcp.json noted
2026-10-17 — Ad Context Protocol (AdCP) — version v3.2.5
2026-10-17 — An Audit Record Format for AI Agent Authorization Decisions — Datatracker marks draft-gilda-wimse-agent-audit-record as replaced by draft-gilda-audit-agent-audit-record
2026-10-16 — Model Context Protocol — Server Cards (SEP-2127) Final 6 Oct 2026; Skills over MCP (SEP-2640) Final 13 Sep 2026; next spec release cadence under discussion (SEP-3398)
2026-10-16 — Agent2Agent Protocol (A2A) — A2A v1.0.1 released on 2026-05-28 (v1.0.0 on 2026-03-12); governance is the Linux Foundation with a Technical Steering Committee of AWS, Cisco, Google, IBM Research, Microsoft, Salesforce, SAP and ServiceNow
2026-10-16 — Agent Client Protocol — Agent Client Protocol v1.11.0 (schema v1.25.0) released on 2026-10-09; v2 is unstable
2026-10-16 — Agent Communication Protocol — IBM's Agent Communication Protocol is deprecated (merged into A2A)
2026-10-16 — Agent Communication Protocol — version v1.0.3
2026-10-16 — Agent Communication Protocol — No push since 2025-08-25 (over 180 days)
2026-10-16 — Agent Payments Protocol (AP2) — AP2 v0.2.0 released on 2026-04-28, and AP2 was donated to the FIDO Alliance (Payments TWG and Agentic Authentication TWG) the same day
2026-10-16 — AP2 Checkout Mandate — version v0.2.0
2026-10-16 — x402 — The Linux Foundation appointed Michael Hursta as executive director of the x402 Foundation, effective 2026-10-01; the foundation has 50+ members
2026-10-16 — Machine Payments Protocol (MPP) — The MPP draft was renamed draft-httpauth-payment; draft-httpauth-payment-01 is dated 2026-09-09
2026-10-16 — AIPREF Vocabulary (A Vocabulary For Expressing AI Usage Preferences) — revision draft-ietf-aipref-vocab-07 → 08
2026-10-16 — Content Signals Policy — Cloudflare 'Disallow AI Training' and Accountable crawler designation (2026-09-15); Bot Preference Sync replaces Managed robots.txt
2026-10-16 — Agent Registration and Discovery Protocol — Expired Internet-Draft (expired 2026-08-28)
2026-10-16 — Open Agentic Schema Framework — OASF v1.1.0 released on 2026-07-10
2026-10-16 — A2UI (Agent to UI) Protocol — A2UI moved from google/A2UI to the a2ui-project GitHub organisation
2026-10-16 — Ad Context Protocol (AdCP) — AdCP v3.2.4 released on 2026-10-12
2026-10-16 — Verifiable Intent — Mastercard contributed Verifiable Intent to the FIDO Alliance Payments TWG on 2026-04-28
2026-10-16 — Agent Authorization Grant — draft-rosenberg-oauth-aauth-01 (2026-04-22) expired on 2026-04-23; the active AAuth lineage is draft-hardt-oauth-aauth-protocol-11
2026-10-16 — Agent Authorization Grant — Expired Internet-Draft (expired 2026-04-23)
2026-10-16 — OAuth Profile for Delegated AI Agent Authorization — draft-mishra-oauth-agent-grants-02 is dated 2026-08-30
2026-10-16 — Agent Authorization Profile — Expired Internet-Draft (expired 2026-08-11)
2026-10-16 — Agent Network Protocol — Agent Network Protocol v1.2 released on 2026-09-24
2026-10-16 — s402 — Repository archived by its owner
2026-10-16 — Agent Audit Trail — revision draft-sharif-agent-audit-trail-03 → 08
2026-10-16 — Secure Low-Latency Interactive Messaging (SLIM) — draft-mpsb-agntcy-slim-02 is dated 2026-07-19
2026-10-16 — AI crawler tokens in robots.txt — Cloudflare 'Disallow AI Training' and Accountable crawler designation (2026-09-15); Bot Preference Sync replaces Managed robots.txt
2026-10-16 — MCP Apps — MCP Apps SDK ext-apps v2.0.3 was released on 2026-09-25 (spec dated 2026-01-26)
2026-10-16 — MCP Apps — version v2.0.3
2026-10-16 — agents.json — agents.json is dormant: last push 2025-08-21, version 0.1.0
2026-10-16 — agents.json — No push since 2025-08-21 (over 180 days)
2026-10-16 — Agent Connect Protocol — The agntcy/acp-spec repository was archived on 2026-04-11
2026-10-16 — Agent Protocol — No push since 2025-04-08 (over 180 days)
2026-10-16 — Web Agent Protocol (WAP) — Web Agent Protocol is dormant: last commit 2025-06-03
2026-10-16 — Web Agent Protocol (WAP) — otatech.ai offline; homepage evidence now points at the 2026-06-07 Wayback snapshot
2026-10-16 — Web Agent Protocol (WAP) — No push since 2025-06-19 (over 180 days)
2026-10-16 — AI Agent Authentication and Authorization — draft-ietf-wimse-aims-00 was published as a WIMSE working group document on 2026-09-15 and replaces draft-klrc-aiagent-auth
2026-10-16 — Personal Agent Protocol — discovery path /.well-known/poppy.json and the protocol site added from the Sierra announcement
2026-10-16 — AAuth (Hardt) — Expired Internet-Draft (expired 2026-10-04)
2026-10-16 — AAuth (Hardt) — correction: the 2026-10-04 expiry belongs to the companion headers draft; the protocol draft -11 is active until 2027-03-29, so native_status and phase restored
2026-10-16 — AAuth (Hardt) — Companion draft draft-hardt-aauth-headers-00 expired on 2026-10-04; the record follows draft-hardt-oauth-aauth-protocol
2026-10-16 — A Framework for Agent Discovery in DAWN — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-zhang-dawn-agent-discovery-framework-06)
2026-10-16 — The Agent Identity Document: A Hosted, Accountable Public Record for AI Agents — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-alla-agent-identity-document-01)
2026-10-16 — Discovery of Model Context Protocol Servers via DNS TXT Records — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-morrison-mcp-dns-discovery-08)
2026-10-16 — Security Principal and Verifier Binding for Agent Communication Protocols — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-bu-agentproto-security-principal-binding-08)
2026-10-16 — Agent Identity Protocol (AIP): Verifiable Delegation for AI Agent Systems — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-prakash-aip-02)
2026-10-16 — Credential Delegation Protocol for AI Agents in Multi-System Environments — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-sweeney-wimse-credential-delegation-01)
2026-10-16 — Agent Delegation Receipts — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-nelson-agent-delegation-receipts-11)
2026-10-16 — AAuth Rich Resource Requests — initial candidate record from primary source (https://insights.bostonidentity.com/research/ietf-datatracker-2026-09-28-aauth-rich-resource-requests)
2026-10-16 — AAuth Rich Resource Requests — spec_url updated to the Internet-Draft draft-hardt-aauth-r3-00
2026-10-16 — Agent Context Interchange Protocol — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-agarwal-acip-00)
2026-10-16 — The 'knowledge-linkset' Well-Known URI for Publishing Knowledge Artefacts — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-besleaga-agentic-knowledge-wellknown-01)
2026-10-16 — AI Agent Execution Profile of SCITT — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-emirdag-scitt-ai-agent-execution-01)
2026-10-16 — Agent-Channel Frame for Identity-Keyed Fan-Out Delivery to Concurrent Sessions — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-morrison-agent-channel-fan-out-02)
2026-10-16 — Agentic Authority Graph Validation — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-watts-agentic-authority-graph-validation-00)
2026-10-16 — Agent-Initiated Payment Gating — initial candidate record from primary source (https://datatracker.ietf.org/doc/html/draft-king-yew-choo-agentic-payments-01)
2026-10-15 — Official MCP Registry — verified against github.com/modelcontextprotocol/registry (API v0.1 frozen specification and OpenAPI schema)
2026-10-15 — Personal Agent Protocol — verified against personalagentprotocol.org; categorized at the identify step (adjacent to permit)
2026-10-15 — Cloudflare Pay Per Crawl — initial record verified against developers.cloudflare.com/ai-crawl-control/features/pay-per-crawl/what-is-pay-per-crawl/
2026-09-07 — Content Signals Policy — added Google's 2026-07-06 statement that no crawler honours the directive (Search Engine Roundtable, Search Engine Journal)
2026-09-07 — Natural Language Interaction Protocol (NLIP) — created and verified against Ecma International ECMA-430 standard page, the NLIP arXiv paper (2609.04135, Sept 2026), nlip-project.org, an Enterprise Neurosystem blog post on Ecma recognition, and the nlip-project GitHub org's reference implementation repos
2026-09-07 — EMV® Agentic Payments – Framework for Specifications — created and verified against EMVCo's 2026-09-01 news release, the companion EMV Insights article by Clinton Allen, independent trade press (fintech.global, 2026-09-04), and the EMVCo overview page
2026-09-07 — Identity Assertion JWT Authorization Grant (ID-JAG) — created and verified against datatracker.ietf.org/doc/draft-ietf-oauth-identity-assertion-authz-grant/ (rev -04, 2026-05-21), xaa.dev, and vendor implementation announcements from Okta, Auth0 and Descope
2026-09-07 — AI Agent Authentication and Authorization — created from IETF datatracker (draft-klrc-aiagent-auth-03), WIMSE WG document list, and reporting on the 2026-08-24 WIMSE adoption call
2026-09-07 — DNS-Based Agent Naming — created as a new discover-step record; verified against draft-seethiraju-dawn-dan-00 (datatracker.ietf.org), the verisign/dan proof-of-concept repository, and Verisign's 2026-09-01 blog announcement
2026-09-06 — Model Context Protocol — verified against modelcontextprotocol.io/specification/2026-07-28, github.com/modelcontextprotocol/experimental-ext-server-card, github.com/modelcontextprotocol/registry, modelcontextprotocol.io/docs/2026-07-28/sdk, modelcontextprotocol.io/docs/extensions/apps, en.wikipedia.org/wiki/Model_Context_Protocol, workos.com MCP-2026 blog
2026-09-06 — Agent2Agent Protocol (A2A) — verified against a2a-protocol.org/latest/specification/, github.com/a2aproject/A2A README and agent-discovery.md, and the LF/A2A one-year press release (prnewswire)
2026-09-06 — Agent Client Protocol — verified against agentclientprotocol.com/get-started/introduction, agentclientprotocol.com/updates, agentclientprotocol.com/rfds/about
2026-09-06 — Agent Client Protocol — collisions updated to add Agent Connect Protocol (Cisco/AGNTCY), verified against github.com/agntcy/acp-spec, spec.acp.agntcy.org
2026-09-06 — Agent Communication Protocol — verified against github.com/i-am-bee/acp (archived banner, archive date) and its OpenAPI spec; set phase withdrawn per Ruling 11 as merged into A2A
2026-09-06 — Agent Communication Protocol — collisions updated to add Agent Connect Protocol (Cisco/AGNTCY), verified against github.com/agntcy/acp-spec, spec.acp.agntcy.org
2026-09-06 — Agentic Commerce Protocol — verified against agentic-commerce-protocol GitHub repo (README, docs/governance.md, MAINTAINERS.md, spec/2026-04-17), developers.openai.com/commerce, docs.stripe.com/agentic-commerce
2026-09-06 — Agentic Commerce Protocol — collisions updated to add Agent Connect Protocol (Cisco/AGNTCY), verified against github.com/agntcy/acp-spec, spec.acp.agntcy.org
2026-09-06 — Agent Payments Protocol (AP2) — verified against google-agentic-commerce/AP2 (README, CONTRIBUTING.md, docs/ap2/specification.md, docs/ap2/checkout_mandate.md) and Google Cloud blog launch announcement; folded in ap2-checkout-mandate as a component rather than a separate protocol
2026-09-06 — AP2 Checkout Mandate — verified: confirmed this is a component of ap2's specification.md, not a distinct protocol; set phase=withdrawn and merged content into ap2
2026-09-06 — x402 — verified against x402.org (homepage, /announcement), x402-foundation/x402 specs/transports-v2/http.md
2026-09-06 — L402 — verified against lightninglabs/L402 README.md and protocol-specification.md on GitHub
2026-09-06 — Machine Payments Protocol (MPP) — verified against mpp.dev (homepage, /protocol, /governance)
2026-09-06 — ERC-8183: Agentic Commerce — verified against eips.ethereum.org/EIPS/eip-8183; flagged name collision with agentic-commerce-protocol (ACP)
2026-09-06 — ERC-8226 Regulated Agent Mandate — verified against eips.ethereum.org/EIPS/eip-8226 and github.com/ethereum/ERCs/pull/1844
2026-09-06 — WebMCP — verified against webmachinelearning.github.io/webmcp (4 Sept 2026 draft) and developer.chrome.com/docs/ai/webmcp (updated 2026-08-07)
2026-09-06 — NLWeb — verified against github.com/microsoft/NLWeb (redirects to github.com/nlweb-ai/NLWeb); nlweb.ai/spec confirmed unreachable
2026-09-06 — Agent Skills — verified against agentskills.io and agentskills.io/specification
2026-09-06 — AIPREF Vocabulary (A Vocabulary For Expressing AI Usage Preferences) — verified against datatracker.ietf.org/doc/html/draft-ietf-aipref-vocab-07
2026-09-06 — TDMRep (TDM Reservation Protocol) — verified against w3.org/community/reports/tdmrep/CG-FINAL-tdmrep-20240510/
2026-09-06 — Content Signals Policy — verified against blog.cloudflare.com/content-signals-policy/
2026-09-06 — Web Bot Auth — verified against draft-meunier-webbotauth-httpsig-protocol-00, its WG-adopted successor draft-ietf-webbotauth-httpsig-protocol-00 (2026-09-01), and Cloudflare's Web Bot Auth integration docs
2026-09-06 — Signature Agent Card (Web Bot Auth registry) — verified against draft-meunier-webbotauth-registry-03 primary text and its current datatracker status page
2026-09-06 — HTTP Message Signatures — verified against RFC 9421 primary source and confirmed as the base standard profiled by Web Bot Auth
2026-09-06 — Agentic Resource Discovery (ARD) — verified against ARD v0.91 spec text (raw.githubusercontent.com/ards-project/ard-spec/main/spec/ard.md); corrected canonical path from ai-catalog.json to ard.json; folded ai-catalog-well-known-file into this record
2026-09-06 — AI Catalog well-known file — merged into ard: confirmed via ARD v0.91 spec text that ai-catalog.json is ARD's own deprecated predecessor path, not a separate specification
2026-09-06 — Agent Name Service v2 (ANS) — verified against draft-narajala-courtney-ansv2-01 primary text and the GoDaddy/Infoblox press release
2026-09-06 — Agent Identity & Discovery (AID) — verified against AID v2.1.0 spec text via raw.githubusercontent.com
2026-09-06 — Agent Discovery Protocol (ADP) v1.1 — verified against draft-pro-adp-agent-discovery-02 spec text via datatracker.ietf.org
2026-09-06 — Agent Registration and Discovery Protocol — verified against draft-pioli-agent-discovery-00 spec text via datatracker.ietf.org; noted the draft as expired (date and successor corrected 2026-10-30: draft-pioli-agent-discovery-01 was posted on 2026-02-24 and expired on 2026-08-28)
2026-09-06 — Agent Registration and Discovery Protocol — fetched IETF Datatracker status page as second, independent evidence entry confirming Expired/archived state; corrected version/spec_url from -00 to the actual latest revision -01; set phase from unknown to withdrawn on the strength of the datatracker's own Expired status
2026-09-06 — Agent Directory Service — verified against draft-mp-agntcy-ads-02 spec text via datatracker.ietf.org
2026-09-06 — Open Agentic Schema Framework — verified against live OASF schema browser at schema.oasf.outshift.com and cross-checked against draft-mp-agntcy-ads-02
2026-09-06 — A2UI (Agent to UI) Protocol — verified against a2ui.org v1.0 spec and github.com/a2ui-project/a2ui
2026-09-06 — Apache Ossie (formerly Open Semantic Interchange) — verified against github.com/apache/ossie (README, core-spec/spec.md), incubator.apache.org/projects/ossie.html, and Snowflake's 2025-09-23 and 2026-01-27 posts; moved step from 'account' to 'read', corrected spec_url, name, governance, and version; flagged draft-vs-finalized dispute
2026-09-06 — Open Knowledge Format — verified against the OKF v0.2 SPEC.md, the original Google Cloud blog announcement, and the repo-migration notice in the old knowledge-catalog/okf directory
2026-09-06 — Agentic Advertising Management Protocols — verified against iabtechlab.com/standards/aamp-agentic-advertising-management-protocols/, the 2026-07-30 AAMP 2.3 press release, and github.com/IABTechLab/AAMP; moved step from 'account' to 'coordinate'; flagged umbrella-program dispute and acronym collision with IETF AAP (Agent Authorization Profile)
2026-09-06 — Agentic Real Time Framework — verified against iabtechlab.com/standards/artf/, the 2025-11-13 launch press release, the 2026-08-12 milestone post, and github.com/IABTechLab/agentic-real-time-framework (README, internal/health, cmd/agent/main.go); moved step from 'account' to 'act'; filled probe, discovery, adoption=claimed
2026-09-06 — Ad Context Protocol (AdCP) — verified against docs.adcontextprotocol.org/dist/docs/3.1.20/intro
2026-09-06 — Trusted Agent Protocol (TAP) — verified against Visa's live merchant specification page and the 2025-10-14 launch announcement
2026-09-06 — Verifiable Intent — verified against mastercard.com/.../verifiable-intent.html, verifiableintent.dev/spec/, and github.com/agent-intent/verifiable-intent README and spec/credential-format.md; corrected version date to 2026-02-18, origin.date to 2026-03-05, governance and scope; kept step=account
2026-09-06 — SPIFFE (Secure Production Identity Framework for Everyone) — verified against spiffe.io's own overview/ecosystem page and draft-klrc-aiagent-auth-03
2026-09-06 — Agent Authorization Grant — verified against datatracker.ietf.org/doc/html/draft-rosenberg-oauth-aauth; found expired
2026-09-06 — OAuth Profile for Delegated AI Agent Authorization — verified against datatracker.ietf.org/doc/html/draft-mishra-oauth-agent-grants-02; corrected canonical title to match draft
2026-09-06 — Agent Authorization Profile — verified against datatracker.ietf.org/doc/draft-aap-oauth-profile/ and github.com/aapspec/spec; found expired
2026-09-06 — Agent Identity Protocol (AIP) — verified against draft-singla-agent-identity-protocol-03's abstract, introduction and document header; flagged limited depth of review and the AIP acronym collision
2026-09-06 — Agent Transfer Protocol — verified against IETF datatracker and draft-hood-independent-agtp-09 (updated spec_url from -04 to current -09, dated 2026-06-28); no implementations found
2026-09-06 — VCAP: Verified Commerce for Agent Protocols — verified against datatracker.ietf.org/doc/draft-stone-vcap/ and the draft-stone-vcap-02 text; confirmed individual-submission, no-IETF-standing status
2026-09-06 — Agent Network Protocol — verified against agent-network-protocol.com and github.com/agent-network-protocol/AgentNetworkProtocol README + ANP-08 discovery spec; corrected version from v0.1/experimental to released v1.1 and filled discovery path
2026-09-06 — Agora Protocol — verified against agora-protocol paper-demo README, agora-protocol.github.io specs.html, and agoraproto.org's own disambiguation notice; confirmed distinct from agora-commerce-protocol
2026-09-06 — Agora (agent marketplace protocol) — verified against api.agoraproto.org openapi.json and .well-known manifests, and agoraproto.org homepage; moved step from coordinate to pay given its payments/escrow/marketplace scope; confirmed distinct project from agora-protocol (Oxford academic) via the project's own disambiguation notice
2026-09-06 — s402 — verified against s402-protocol/core (README.md, docs/specification.md) and GitHub repo metadata; corrected discovery mechanism from a nonexistent /.well-known/s402.json to the x402-envelope extensions.s402 signal
2026-09-06 — Agent Attribution Protocol — new record: found via search for post-hoc agent commerce attribution specs; verified against rako.sh/aap, rako.sh/docs, and github.com/rakohq/aap-spec (README, spec/v1/README.md); flagged as single-vendor 'open spec, closed operation' and acronym collision
2026-09-06 — Agent Audit Trail — new record: found via search for 'agent audit log standard'; verified against datatracker.ietf.org and the archived draft text (revision -03, 2026-09-05); no implementation found
2026-09-06 — Secure Low-Latency Interactive Messaging (SLIM) — new record created during coordinate-step verification; verified against github.com/agntcy/slim README, Linux Foundation/AGNTCY donation coverage, and the IETF individual draft draft-mpsb-agntcy-slim-00
2026-09-06 — api-catalog (RFC 9727) — initial record; verified against RFC 9727 text via rfc-editor.org
2026-09-06 — api-catalog (RFC 9727) — added second evidence entry (IANA Well-Known URIs registry, fetched directly) confirming permanent registration
2026-09-06 — Really Simple Licensing — created and verified against rslstandard.org/rsl
2026-09-06 — agent-permissions.json — created and verified against github.com/las-wg/agent-permissions.json and arxiv.org/html/2601.02371v2
2026-09-06 — auth.md — created and verified against auth-md.com/specification and auth-md.com
2026-09-06 — OAuth Protected Resource and Authorization Server Metadata (as used for agent authorization) — created and verified against rfc-editor.org/rfc/rfc9728.html and rfc-editor.org/rfc/rfc8414.html
2026-09-06 — AI crawler tokens in robots.txt — created and verified against developers.openai.com/api/docs/bots, support.claude.com/en/articles/8896518, developers.google.com/search/docs/crawling-indexing/google-common-crawlers, docs.perplexity.ai/guides/bots
2026-09-06 — MCP Apps — new record: verified against github.com/modelcontextprotocol/ext-apps, its dated spec file, and github.com/MCP-UI-Org/mcp-ui; found via search for other agent-rendered-UI specs during A2UI/AG-UI verification
2026-09-06 — Agent Readability Spec — new record added during read-step verification; verified against vercel.com/kb/guide/agent-readability-spec and independent commentary
2026-09-06 — agents.json — new record added during read-step verification; reclassified to the act step and verified against the wild-card-ai/agents-json README and repository metadata
2026-09-06 — agents.txt — new record added during read-step verification; reclassified to the discover step after finding the name covers multiple non-converging, competing specifications
2026-09-06 — ai.txt — new record added during read-step verification; reclassified to the permit step
2026-09-06 — Eclipse LMOS (Language Model Operating System) — added from arXiv 2504.16736 survey comparison, verified against eclipse.dev/lmos/, eclipse.dev/lmos/docs/lmos_protocol/introduction/, github.com/eclipse-lmos
2026-09-06 — Agent Connect Protocol — added from arXiv 2504.16736 survey comparison, verified against github.com/agntcy/acp-spec, spec.acp.agntcy.org, github.com/orgs/agntcy/repositories
2026-09-06 — Agent Connect Protocol — governance corrected to reflect Cisco donating AGNTCY to the Linux Foundation, per sibling records ads/oasf/slim; verified against existing agenticweb.wiki records
2026-09-06 — Agent Protocol — added from arXiv 2504.16736 survey comparison, verified against github.com/AI-Engineer-Foundation/agent-protocol (redirects to agi-inc/agent-protocol), agentprotocol.ai
2026-09-06 — Agent Interaction & Transaction Protocol (AITP) — added from arXiv 2504.16736 survey comparison, verified against aitp.dev, github.com/nearai/aitp
2026-09-06 — Coral Protocol (CoralOS) — added from arXiv 2504.16736 survey comparison, verified against docs.coralos.ai/about, docs.coralos.ai/api-reference/local/create-session
2026-09-06 — Web Agent Protocol (WAP) — added from arXiv 2504.16736 survey comparison, verified against github.com/OTA-Tech-AI/web-agent-protocol
2026-09-06 — Web Agent Protocol (WAP) — added second evidence entry (otatech.ai) to satisfy the two-source verification requirement