What tools does the diagnostics MCP server provide?

diagnostics exposes 14 tools: invalid_client, invalid_client_metadata, invalid_element, invalid_format, invalid_grant, invalid_key, invalid_redirect_uri, invalid_request, invalid_scope, invalid_target, invalid_token, invalid_type, invalid_union, invalid_value. This list was read from the published package source; the server runs locally and has no endpoint to query.

Does diagnostics require an API key?

Not known. diagnostics has not been successfully queried, so its authentication requirements are unverified.

How do I install diagnostics?

Run: claude mcp add diagnostics -- npx -y mcpcomp@0.6.1. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check local install

diagnostics

Grade an MCP server's auth against the spec and diagnose which layer a failure is in.

Tools 14

GitHub stars —

Installs / wk 228

Licence —

Transport stdio

Last checked never

Tools & capabilities

14 tools

Read from the published package source — this server runs locally, so there is no endpoint to query. Names are taken from the code, not observed at runtime, and descriptions are often absent.

invalid_client from source

invalid_client_metadata from source

invalid_element from source

invalid_format from source

invalid_grant from source

invalid_key from source

invalid_redirect_uri from source

invalid_request from source

invalid_scope from source

invalid_target from source

invalid_token from source

invalid_type from source