Agent Discovery Doctor - llms.txt, agent card, mcp.json for ChatGPT
dev.workers.pathwren.www/agent-discovery-doctor
{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
client:ChatGPT
transport:streamable-http
tools:8
Install Agent Discovery Doctor - llms.txt, agent card, mcp.json in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/doctorCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs