ProofMart for ChatGPT

io.github.proofmart/proofmart

One-stop claim verification for AI agents: verdicts with confidence, evidence, signed receipts.

client:ChatGPT transport:streamable-http tools:3

Install ProofMart in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://proofmart.fly.dev/mcp

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