Metal Mantra for ChatGPT
io.metalmantra/registry
Read-only evidence reports on AI agents: search, fetch a report, check trust. Not a certification.
client:ChatGPT
transport:streamable-http
tools:6
Install Metal Mantra in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://metalmantra.io/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs