{"id":9695,"date":"2026-04-24T00:56:57","date_gmt":"2026-04-24T00:56:57","guid":{"rendered":"https:\/\/www.w3.org\/community\/blog\/2026\/04\/24\/proposed-group-agent-identity-registry-protocol-community-group\/"},"modified":"2026-04-24T00:56:57","modified_gmt":"2026-04-24T00:56:57","slug":"proposed-group-agent-identity-registry-protocol-community-group","status":"publish","type":"post","link":"https:\/\/www.w3.org\/community\/blog\/2026\/04\/24\/proposed-group-agent-identity-registry-protocol-community-group\/","title":{"rendered":"Proposed Group: Agent Identity Registry Protocol Community Group"},"content":{"rendered":"\n<p>The Agent Identity Registry Protocol Community Group has been proposed by Aaron Adolfo Grego:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n<p>Although autonomous AI agents increasingly operate across organizational boundaries \u2014negotiating, transacting, and making decisions on behalf of humans and organizations\u2014 there is no agreed upon mechanism for verifying an agent&#8217;s identity, its controlling entity, or its authorization scope before interaction begins. This gap creates accountability, security, and liability challenges that multiple industry and government bodies have identified as urgent, including NIST&#8217;s AI Agent Identity initiative and the OpenID Foundation&#8217;s AIIM working group.<\/p>\n\n<p>This Community Group develops open specifications for verifiable AI agent identity infrastructure. The group&#8217;s work addresses how AI agents can present cryptographically verifiable credentials that bind them to their controlling organizations, enabling cross-organizational trust negotiation without requiring pre-existing bilateral agreements.<\/p>\n\n<p>The group&#8217;s scope includes:<\/p>\n\n<ul>\n<li>A DID method specification for agent identity resolution<\/li>\n<li>An agent credential format based on W3C Verifiable Credentials<\/li>\n<li>A trust negotiation protocol for cross-organizational agent interactions<\/li>\n<li>Trust level definitions and verification requirements<\/li>\n<li>Integration profiles with complementary protocols (MCP, A2A, OAuth\/OIDC, SPIFFE)<\/li>\n<li>Revocation and credential lifecycle management<\/li>\n<li>Post-quantum cryptographic requirements for agent identity<\/li>\n<\/ul>\n\n<p><b>Note<\/b>: This group will take inspiration from work created by TrustLayer Foundation A.C., and that work may inform the group&#8217;s discussions. That work does not constrain the group&#8217;s discussions, and all decisions about the group&#8217;s deliverables will be made by the Community Group participants.<\/p>\n\n<p>Coordination is anticipated with the W3C Credentials Community Group (CCG), the Decentralized Identity Foundation (DIF), the OpenID Foundation AIIM Community Group, and the IETF WIMSE Working Group.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n<p>\n    You are invited to <a href=\"https:\/\/www.w3.org\/community\/groups\/proposed\/#agent-identity\">support the creation of this group<\/a>.\n    Once the group has a total of 5 supporters, it will be launched and people can join to begin work. In order to support the group, you will need a <a href=\"https:\/\/www.w3.org\/account\/request\/\">W3C account<\/a>.\n<\/p>\n\n\n\n<p>Once launched, the group will no longer be listed as &#8220;proposed&#8221;; it will be in the list of <a href=\"https:\/\/www.w3.org\/community\/groups\/\">current groups<\/a>.<\/p>\n\n\n\n<p>\n    If you believe that there is an issue with this group that requires the attention of the W3C staff, please send us email on <a href=\"mailto:site-comments@w3.org\" target=\"_blank\">site-comments@w3.org<\/a>\n<\/p>\n\n\n\n<p>Thank you,<br \/>\nW3C Community Development Team<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>The Agent Identity Registry Protocol Community Group has been proposed by Aaron Adolfo Grego: Although autonomous AI agents increasingly operate across organizational boundaries \u2014negotiating, transacting, and making decisions on behalf of humans and organizations\u2014 there is no agreed upon mechanism &hellip; <a href=\"https:\/\/www.w3.org\/community\/blog\/2026\/04\/24\/proposed-group-agent-identity-registry-protocol-community-group\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":24181,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_s2mail":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-9695","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/posts\/9695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/users\/24181"}],"replies":[{"embeddable":true,"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/comments?post=9695"}],"version-history":[{"count":0,"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/posts\/9695\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/media?parent=9695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/categories?post=9695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.w3.org\/community\/wp-json\/wp\/v2\/tags?post=9695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}