fermi for ChatGPT
io.github.kromatic-innovation/fermi
Calibrated probability distributions from natural-language questions via REST and MCP.
client:ChatGPT
transport:sse
Install fermi in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://fermi.krobar.ai/mcp/sse/Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs