MCP schema checker
Check initialize, tools/list, tool descriptions, JSON schemas, and required fields without invoking tools.
Read the schema guide →x402 inspector
Check HTTP 402, payment documents, accepts[], discovery manifests, latency, and response digest without paying.
Read the x402 guide →Security CI
Add the read-only check to pull requests with one GitHub Action step.
Configure GitHub Actions →Trust Directory
Read-only trust reports for 220 remote MCP servers listed in the official MCP Registry — reproducible with one command.
Browse the directory →Guides
- MCP Schema Checker
- x402 Endpoint Inspector
- MCP Security CI
- Troubleshooting
- MCP OAuth Diagnostics and current limits
- MCP Server Trust Directory — read-only schema reports for official registry servers
Boundaries
mcpdoctor does not call MCP tools, accept credentials, execute server commands, sign payments, settle payments, or prove delivery. PASS is a deterministic observed-check result, not a security certification.