nexus0-agent-rail for ChatGPT
io.github.mikehunt69702/agent-gateway
Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.
client:ChatGPT
transport:streamable-http
Install nexus0-agent-rail in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://nexus-zero.xyz/agent/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs