Fillo for ChatGPT

io.github.jacobfunch/usefillo

Fillo MCP server — provision, scaffold, publish, and query forms from your coding agent.

client:ChatGPT transport:streamable-http runtime:npm

Install Fillo in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://fillo.so/api/mcp

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