MCP server · Consent
Per-client consent on proxy servers
An MCP server that acts as a proxy with a static upstream client id obtains the user's consent for each dynamically registered client before forwarding.
mcp.proxy.consent
In revision 2026-07-28
- Level
- MUST
- Defined in
- Security Considerations › Confused Deputy ProblemMCP Authorization 2026-07-28
- Party
- MCP server
- Observable
manualRequires reading documentation or source; recorded by people.
Level by revision
| Revision | Level | Section |
|---|---|---|
| 2026-07-28current | MUST | Security Considerations › Confused Deputy Problem |
| 2025-11-25 | MUST | Security Considerations › Confused Deputy Problem |
Adoption across listed servers
- Supported3
- Partial0
- Unsupported0
- Unknown31
- Not applicable5