A2A Protocol

Verified Integration

Author: @Google•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect A2A Protocol to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "a2a-protocol-1": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-a2a-protocol-1"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Enables AI agents to discover, delegate tasks, and communicate using Google's Agent2Agent Protocol via an MCP interface.

Indexed Date

7/21/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for A2A Protocol

A2A is an open standard, initially introduced by Google and now standardized under the Linux Foundation, designed for AI agents to communicate. It defines concepts like Agent Cards (describing capabilities), structured task lifecycles, and agent discovery.

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