CopilotKit

Full-stack open-source framework (MIT, v1.51.3, Python SDK v0.1.78) for building agentic applications with AI copilots embedded directly in React and Angular UIs. Angular support via @copilotkitnext/angular (Angular 18+19). 28k+ GitHub stars.

When to Use This Skill

• User wants to add an AI copilot, assistant, or chatbot to a React/Next.js app
• User is working with CopilotKit hooks, components, or runtime
• User asks about AI-powered text areas or form completion
• User needs to connect a Python agent (LangGraph/CrewAI) to a React frontend
• User is implementing human-in-the-loop or generative UI patterns
• User asks about AG-UI protocol or MCP Apps
• User wants to sync state between a UI and an AI agent

Architecture