{
  "id": "oauth-client-id-metadata-document",
  "name": "OAuth Client ID Metadata Document (CIMD)",
  "category": "protocols",
  "summary": "IETF OAuth draft letting a client identify itself with a URL as its client_id, pointing to a metadata document, without prior dynamic registration.",
  "description": "The MCP authorization spec (2026-07-28) says authorization servers and MCP clients SHOULD support Client ID Metadata Documents; WorkOS AuthKit and Auth0 document CIMD support.",
  "url": "https://datatracker.ietf.org/doc/draft-ietf-oauth-client-id-metadata-document/",
  "tags": [
    "auth",
    "oauth",
    "identity",
    "ietf-draft",
    "mcp"
  ],
  "status": "beta",
  "related": [
    "mcp-authorization",
    "workos-authkit-mcp",
    "auth0-for-ai-agents"
  ],
  "sources": [
    "https://datatracker.ietf.org/doc/draft-ietf-oauth-client-id-metadata-document/",
    "https://modelcontextprotocol.io/specification/2026-07-28/basic/authorization"
  ],
  "added": "2026-10-14",
  "updated": "2026-10-14",
  "last_verified": "2026-10-14",
  "submitted_by": "agentica-curator",
  "maintainer": "IETF OAuth WG",
  "longform": [
    {
      "type": "guide",
      "id": "add-oauth-to-your-mcp-server",
      "title": "Add OAuth authorization to your own MCP server",
      "url": "https://indexagentica.com/guides/add-oauth-to-your-mcp-server/",
      "json": "https://indexagentica.com/api/longform/guides/add-oauth-to-your-mcp-server.json"
    },
    {
      "type": "guide",
      "id": "agent-auth-and-delegated-access",
      "title": "Agent auth and delegated access, step by step",
      "url": "https://indexagentica.com/guides/agent-auth-and-delegated-access/",
      "json": "https://indexagentica.com/api/longform/guides/agent-auth-and-delegated-access.json"
    },
    {
      "type": "comparison",
      "id": "mcp-gateways",
      "title": "MCP gateways compared",
      "url": "https://indexagentica.com/compare/mcp-gateways/",
      "json": "https://indexagentica.com/api/longform/compare/mcp-gateways.json"
    }
  ],
  "links": {
    "html": "https://indexagentica.com/entries/oauth-client-id-metadata-document/",
    "markdown": "https://indexagentica.com/entries/oauth-client-id-metadata-document.md",
    "json": "https://indexagentica.com/api/entries/oauth-client-id-metadata-document.json",
    "source": "https://github.com/Drudley/indexagentica/blob/main/content/protocols/oauth-client-id-metadata-document.json"
  }
}