ThirdMade Shelf for ChatGPT
net.thirdmade/shelf
26 pay-per-call tools for agents: scrape, verify, guards, crypto. x402 USDC on Base.
client:ChatGPT
transport:streamable-http
tools:26
Install ThirdMade Shelf in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://shelf.thirdmade.net/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs