Master MCP Server

# Example: OAuth Delegation (GitHub) Demonstrates `delegate_oauth` for a GitHub-protected backend. ## Run Set secrets: ``` export GITHUB_CLIENT_SECRET=... # from GitHub OAuth app ``` Start: ``` MASTER_CONFIG_PATH=examples/oauth-node/config.yaml npm run dev ``` Then open: ``` http://localhost:3000/oauth/authorize?server_id=github-tools ```