Agents and skills for building Windows apps with WinUI 3 and the Windows App SDK

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.