Tollkit for ChatGPT

io.github.ultrastarz/x402-extract

Extract product data, or notarize what a page said. Paid per call in USDC, no signup or API key.

client:ChatGPT transport:streamable-http tools:9

Install Tollkit in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://extract.tollkit.dev/mcp

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