Authorization server · Discovery
Authorization server metadata discoverable
The authorization server publishes metadata via OAuth 2.0 Authorization Server Metadata (RFC 8414) or OpenID Connect Discovery.
mcp.as.metadata
In revision 2026-07-28
- Level
- MUST
- Defined in
- Authorization Server Discovery › Authorization Server Metadata DiscoveryMCP Authorization 2026-07-28
- Party
- Authorization server
- Observable
passiveObservable by reading published metadata, without any request to the server.
Level by revision
| Revision | Level | Section |
|---|---|---|
| 2026-07-28current | MUST | Authorization Server Discovery › Authorization Server Metadata Discovery |
| 2025-11-25 | MUST | Authorization Server Discovery › Authorization Server Metadata Discovery |
Adoption across listed servers
- Supported6
- Partial0
- Unsupported0
- Unknown28
- Not applicable5