costheta for ChatGPT
dev.costheta/costheta
Verifiable physical randomness from cosmic-ray detections. Free beacon, paid signed decisions.
client:ChatGPT
transport:streamable-http
tools:3
Install costheta in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://costheta.dev/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs