123FormBuilder MCP Server and API by Cotlet for ChatGPT

dev.cotlet/123formbuilder

123FormBuilder online form builder MCP server: list forms, list submissions, edit submission.

client:ChatGPT transport:streamable-http

Install 123FormBuilder MCP Server and API by Cotlet in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://cotlet.dev/mcp/v1/123formbuilder/connect

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