x402 Doctor
Dev Tools
Remote
Official
Diagnose x402 seller endpoints: what is wrong with your 402 challenge, and how to fix it.
How to connect
1
GitHub
Install from https://github.com/tsharpe2282-web/twelve-permissions and add the server to your MCP client configuration (see repository README).
Tools
Tool names are not listed in our registry for this server. Connect it in your MCP client to see the live tool list.