Agent Card Health Check for ChatGPT

io.github.kadopi/agent-card-health-check

Free no-storage MCP that checks A2A Agent Card connection readiness for authorized targets.

client:ChatGPT transport:streamable-http tools:1

Install Agent Card Health Check in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://agent-card-health-check.kadopi.workers.dev/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs