{"page":"/blog/iab-tech-lab-agent-registry","modified":"2026-11-10","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Item","IAB Tech Lab Agent & MCP Server Registry","AgenticAdvertising.org registry"],"rows":[["Standard it serves","AAMP, but open to any MCP or A2A agent","AdCP"],["Who can list","Any company with a free Tools Portal account","AgenticAdvertising.org members; public visibility needs a paid tier"],["Identity anchor","GPP ID, which carries the TCF vendor ID; DNS TXT domain proof","Member profile and brand domain; brand.json; DNS or /.well-known ownership proof for brand and property records"],["Inventory authority","Not verified yet; on the roadmap","Publishers' adagents.json files list authorised agents"],["Access","Web browsing without login; REST and MCP with a 60-minute anonymous token","Public REST API for most lookups; members-only results for API-tier members"],["Size on 9 Nov 2026","53 entries from 45 companies","35 enrolled agents; 93 agents and 485 publishers found in adagents.json files"],["Sources","Registry; IAB Tech Lab, 4 Mar 2026","AdCP Registry API docs; stats endpoint"]],"sourceUrls":[[],[],[],[],[],[],["https://registry.iabtechlab.ai/","https://iabtechlab.com/introducing-the-iab-tech-lab-agent-registry/","https://github.com/adcontextprotocol/adcp/blob/main/docs/registry/index.mdx","https://agenticadvertising.org/api/registry/stats"]]}