Run an MCP gateway

Expose an in-development MCP (Model Context Protocol) server for remote testing against multiple AI model providers at once, with per-provider authentication and traffic inspection.

Before you start

Auth is required (ngrok-setup). This job uses a cloud endpoint + internal endpoint and a Traffic Policy with per-provider auth + forward-internal - both from ngrok-engine. A working reference implementation ships in references/: http-transport.ts and traffic-policy.yaml.

Architecture

MCP client (Claude/OpenAI) --Bearer token--> Cloud Endpoint (public, runs the policy)
  --forward-internal--> Agent Endpoint (bound internal, e.g. https://mcp.internal)
    --HTTP--> your MCP server (streamable HTTP transport)

Cloud endpoint (not agent) is required here: providers connect on their own schedule, so the public URL must persist independently of your dev process.

Steps