Auth-gated server
An auth-gated server is an MCP server that requires the user to sign in before it will list or run its tools. Most servers behind Claude listings are auth-gated: 575 of 727 (79%) on October 13, 2026.
- Auth-gated
- 575 of 727
- Share
- 79%
- OAuth
- 506
- Bearer token
- 28
More from our data
506 of them ask for OAuth, 28 for a bearer token, 2 for an API key, and 39 don't say how. Their tools aren't public, so OpenApps shows them as Needs sign-in, never as zero tools.