Lengow MCP by usefulapi for ChatGPT

io.usefulapi/lengow

Read marketplace orders and action results; set order ids and send accept or ship actions in Lengow.

client:ChatGPT transport:streamable-http tools:5

Install Lengow MCP by usefulapi in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://lengow.usefulapi.io/mcp

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