Quadratik for ChatGPT
io.github.quadratik-ai/quadratik
Search and manage 220M+ B2B contacts. Filter by title, industry, location, and more.
client:ChatGPT
transport:streamable-http
Install Quadratik in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://quadratikmcp-production.up.railway.app/Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs