LedgerProof LAIN — Verified Evidence for Agents for ChatGPT

io.ledgerproofhq/lain

Cryptographically anchored evidence for agents: verified run receipts, proof-gated settlement.

client:ChatGPT transport:streamable-http

Install LedgerProof LAIN — Verified Evidence for Agents in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://ledgerproofhq.io/api/lain/mcp

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