This is for when your Azure Virtual Desktop or Windows 365 connection on macOS feels sluggish and you need to figure out why you're stuck on WebSocket instead of UDP Shortpath. It walks through the full diagnostic path: parsing Windows App logs for STUN/TURN failures, checking if your VPN is swallowing UDP packets (look for that 198.18.0.x source IP), and testing whether your ISP just blocks UDP entirely. The methodology is thorough, covering everything from Tailscale netcheck output to ShadowRocket proxy rules, and it includes actual log patterns like "FetchClientOptions exception" that signal the client can't even negotiate transport options. If you've ever stared at high RTT wondering why your remote desktop feels like molasses, this gets you to the answer without guessing.
npx skills add https://github.com/daymade/claude-code-skills --skill windows-remote-desktop-connection-doctor