MCP Apps

What is this?

MCP Apps are MCP servers that expose tools with associated UI resources. When the agent calls one of these tools, CopilotKit automatically fetches and renders the UI component in the chat — no additional frontend code required.

Key benefits:

  • Zero frontend code — UI components are served by the MCP server
  • Full interactivity — Components can use HTML, CSS, and JavaScript
  • Secure sandboxing — Content runs in isolated iframes
  • Thread persistence — MCP Apps are stored in conversation history and restored on reconnect

Choose your AI backend

See Integrations for all available frameworks (generative-ui/mcp-apps).
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