Vertical Flows for ChatGPT

com.verticalflows/agent-gateway

View client requests, prepare actions and approve work within your firm's permissions.

client:ChatGPT transport:streamable-http

Install Vertical Flows in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://verticalflows.com/api/mcp

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