AI Apps That Work free tools for ChatGPT

com.aiappsthatwork/tools

Real cost per AI result, LLM prices, switch costs, shutdown dates, A/B test sizes and judge checks.

client:ChatGPT transport:streamable-http tools:8

Install AI Apps That Work free tools in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://aiappsthatwork.com/mcp

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