Fillout MCP Server and API by Cotlet for ChatGPT
dev.cotlet/fillout
Fillout online form builder MCP server: create form, add question, set form logic, publish form.
client:ChatGPT
transport:streamable-http
Install Fillout MCP Server and API by Cotlet in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://cotlet.dev/mcp/v1/fillout/connect
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs