Humanities Helping Hands checker for ChatGPT

com.humanitieshelpinghands/checker

121 machine-proven math facts, plus 49 real-world claims with machine-checked arithmetic

client:ChatGPT transport:streamable-http tools:3

Install Humanities Helping Hands checker in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://humanitieshelpinghands.com/mcp

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