VouchSafe for ChatGPT

com.govouchsafe/vouchsafe

Before an AI agent pays, people confirm it by phone callback. Returns a signed receipt.

client:ChatGPT transport:streamable-http

Install VouchSafe in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.govouchsafe.com/mcp

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