twothumbs for ChatGPT

io.github.asselwan/twothumbs

Verifies AI agent work end to end: real artifacts and outcomes checked, not self-reported success.

client:ChatGPT transport:streamable-http tools:3

Install twothumbs in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://twothumbs.co/mcp

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