Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

RAW Config

Claude Desktop Configuration

Add to ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "A2A": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-A2A"
      ]
    }
  }
}