Copilot CLI 0.0.406 adds MCP upgrades and Claude preview; community proxy unlocks Copilot in Cursor
GitHub Copilot CLI 0.0.406 brings MCP-focused UX improvements, a Claude Opus 4.6 Fast preview, and safer flags, while a community proxy shows how to use a Copilot subscription inside Cursor’s Agent features. Per the official notes, v0.0.406 adds Claude Opus 4.6 Fast support, command-to-skill translation, /changelog, MCP status, structured responses for VS Code, URL-based plugin marketplace, and a --no-experimental flag [GitHub Copilot CLI releases](https://github.com/github/copilot-cli/releases)[^1]. A community guide details a "Copilot Proxy for Cursor" that routes Cursor to your Copilot key with MCP/tool support and vision handling; use cautiously given it relies on internal APIs [DEV: Unlock GitHub Copilot in Cursor](https://dev.to/jacksonkasi/unlock-github-copilot-in-cursor-the-ultimate-guide-free-unlimited-4i9c)[^2]. [^1]: Adds: Official 0.0.406 features, MCP/skills changes, and safety flags. [^2]: Adds: How the proxy works, setup steps, supported models/tools, and caveats.