ext-apps

MCP server by modelcontextprotocol · ★ 2.9k · updated 18 days ago

MCP Frameworks & SDKsMaintainedOne-click install

Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers

Install ext-apps

Choose your AI client and copy the config.

Add to claude_desktop_config.json — macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Then restart Claude.

{
  "mcpServers": {
    "ext-apps": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-<name>",
        "--stdio"
      ]
    }
  }
}

Add to Cursor

Or add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "ext-apps": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-<name>",
        "--stdio"
      ]
    }
  }
}

Install in VS Code

Or add to .vscode/mcp.json in your workspace.

{
  "servers": {
    "ext-apps": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-<name>",
        "--stdio"
      ]
    }
  }
}

Run in your terminal:

claude mcp add ext-apps -- npx -y @modelcontextprotocol/server-<name> --stdio

Run the server directly:

npx -y @modelcontextprotocol/server-<name> --stdio

Before you install: Install command taken from the project README. Check the README for any required environment variables.

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