Proof of Type Input for ChatGPT

com.proofoftype/input

Add a text box that proves a human typed it, not AI. Code for any framework; verify proof tokens.

client:ChatGPT transport:streamable-http tools:3

Install Proof of Type Input in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.proofoftype.com/mcp

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