Formstack MCP Server and API by Cotlet for ChatGPT
dev.cotlet/formstack
Formstack online form builder MCP server: list forms, read submissions, edit submission.
client:ChatGPT
transport:streamable-http
Install Formstack MCP Server and API by Cotlet in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://cotlet.dev/mcp/v1/formstack/connect
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs