Agent Coach (Upskill) for ChatGPT
coach.upskill/agent-coach
Free coach for AI agents: security-vetted skills, MCP servers and prompts, plus daily check-ins.
client:ChatGPT
transport:streamable-http
tools:13
Install Agent Coach (Upskill) in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://upskill.coach/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs