MCP server · Tokens
Audience validation
The MCP server rejects tokens that were not issued for it, so a token obtained for another resource cannot be replayed against this server.
mcp.rs.audience-validation
In revision 2026-07-28
- Level
- MUST
- Defined in
- Security Considerations › Access Token Privilege RestrictionMCP Authorization 2026-07-28
- Party
- MCP server
- Observable
activeOnly observable by sending requests to the server; recorded by hand or by a future active scanner, never by this site.
Level by revision
| Revision | Level | Section |
|---|---|---|
| 2026-07-28current | MUST | Security Considerations › Access Token Privilege Restriction |
| 2025-11-25 | MUST | Security Considerations › Access Token Privilege Restriction |
Adoption across listed servers
- Supported0
- Partial0
- Unsupported0
- Unknown34
- Not applicable5