What tools does the x402-doctor MCP server provide?

x402-doctor exposes 3 tools: explain_defect, list_checks, probe_x402_endpoint. This list was returned by the running server when we connected to it.

Does x402-doctor require an API key?

No. x402-doctor answered a tools/list request without credentials.

How do I install x402-doctor?

Run: claude mcp add --transport http x402-doctor https://x402-doctor.tsharpe.workers.dev/mcp. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check verified live · 28h ago

x402-doctor

Browse, verify and buy Twelve Permissions NFTs on XRP Ledger. Every claim is checkable.

Finance & crypto Data & analytics Code & repositories

Install

Remote (HTTP)

claude mcp add --transport http x402-doctor https://x402-doctor.tsharpe.workers.dev/mcp

Tools 3

GitHub stars —

Installs / wk —

Licence —

Transport streamable-http

Last checked 28h ago

Tools & capabilities

3 tools

Read from the running server on 28h ago.

explain_defect id*

Full explanation of one rule by id — what it checks, why it matters, how to fix it, and where the rule came from. Use when you want the reasoning without re-probing.

list_checks

The whole rule table. Knowing what was NOT checked is part of knowing what a clean result means.

probe_x402_endpoint url*

Probe an x402 seller endpoint and report what it observes about it. Performs the handshake a paying client would: GET with no X-PAYMENT header, then checks the 402 challenge agains…