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Agent Discovery Protocol (ADP) v1.1

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Short verified entry. Full page coming.

Overview

ADP is a discovery protocol for AI agents: "This document defines the Agent Discovery Protocol (ADP) v1.1, a layered protocol for discovering, verifying, and interacting with AI Agents on the Internet." [1].

It reuses other work for DNS and adds its own layers: "ADP delegates DNS discovery to DNS-AID (SVCB records) and defines a Well-Known JSON metadata format, an Ed25519-based identity model, and the Agent Gateway Protocol (AGP) for real-time WebSocket messaging." [1].

Version 1.1 hands the DNS layer to DNS-AID: "ADP v1.1 adopts DNS-AID as its normative DNS discovery mechanism." [1].

The older DNS method stays as a backup: "The original TXT+SRV scheme is retained as a documented fallback" [1].

It has no central registry: "No central registry; domain ownership is the root of identity." [1].

This short entry has no "Who uses it" or "Who reads it" sections. It makes no claims about adoption or usage; none were checked.

Who uses it

This short entry has no "Who uses it" or "Who reads it" sections. It makes no claims about adoption or usage; none were checked.

Who reads it

This short entry has no "Who uses it" or "Who reads it" sections. It makes no claims about adoption or usage; none were checked.

Recent coverage

Under review.

See also

References

  1. Internet-Draft text, draft-pro-adp-agent-discovery-02, checked 2026-10-29: "Agent Discovery Protocol (ADP) v1.1 — Well-Known Metadata and Interaction Layer" "draft-pro-adp-agent-discovery-02" "Network Working Group Bin. Lian Internet-Draft aipair.ai" "Intended status: Informational" "18 June 2026" "Expires: 20 December 2026" "This Internet-Draft will expire on 20 December 2026." "This document defines the Agent Discovery Protocol (ADP) v1.1, a layered protocol for discovering, verifying, and interacting with AI Agents on the Internet." "ADP delegates DNS discovery to DNS-AID (SVCB records) and defines a Well-Known JSON metadata format, an Ed25519-based identity model, and the Agent Gateway Protocol (AGP) for real-time WebSocket messaging." "ADP v1.1 adopts DNS-AID as its normative DNS discovery mechanism." "The original TXT+SRV scheme is retained as a documented fallback" "No central registry; domain ownership is the root of identity." — https://www.ietf.org/archive/id/draft-pro-adp-agent-discovery-02.txt
  2. IETF Datatracker, document page for draft-pro-adp-agent-discovery, checked 2026-10-29: "Author Bin Lian" "Active Internet-Draft (individual)" "IESG state I-D Exists" "This I-D is not endorsed by the IETF and has no formal standing in the IETF standards process." "RFC stream (None)" "Last updated 2026-07-24" "Last updated 2026-07-24 (Latest revision 2026-06-23)" — https://datatracker.ietf.org/doc/draft-pro-adp-agent-discovery/
  3. IETF Datatracker API, document record for draft-pro-adp-agent-discovery (UTC), checked 2026-10-29: ""rev": "02"" ""expires": "2026-12-25T20:14:58Z"" ""pages": 27" — https://datatracker.ietf.org/api/v1/doc/document/draft-pro-adp-agent-discovery/
  4. IETF Datatracker API, revision events for draft-pro-adp-agent-discovery (UTC), checked 2026-10-29: ""rev": "00", "time": "2026-06-09T14:01:06Z"" ""total_count": 3" ""rev": "02", "time": "2026-06-23T20:14:58Z"" — https://datatracker.ietf.org/api/v1/doc/newrevisiondocevent/?doc__name=draft-pro-adp-agent-discovery&format=json

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