Agent Utility API for ChatGPT

io.github.eamondidier-ux/agent-utility-api

x402 pay-per-call tools: company enrichment, PDF extraction, Amazon/KDP data, YouTube transcripts.

client:ChatGPT transport:streamable-http

Install Agent Utility API in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://agent-api-production-169b.up.railway.app/mcp/mcp

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