ChatGPT

Checkbooth for ChatGPT

dev.checkbooth/checkbooth

Independent signed math checks for AI agents: PASS or FAIL plus a link anyone can open. Free beta.

client:ChatGPT transport:streamable-http tools:12

Install Checkbooth in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://checkbooth.dev/mcp

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

What ChatGPT can do once it is connected

Checkbooth in other clients

Checkbooth MCP server