A2A MCP Server

Name: A2A MCP Server
Author: regismesquita

@regismesquita

关于 A2A MCP Server

A2A MCP Server is a lightweight Python bridge that lets Claude Desktop or any MCP client talk to A2A agents. It provides three tools: register servers, list agents, and call an agent, enabling quick integration of A2A-compatible agents with zero boilerplate for rapid prototyping.

基本信息

分类

AI 与智能体

运行时

python

传输方式

stdio

发布者

regismesquita

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "MCP_A2A": {
      "action": "add",
      "name": "security_audit",
      "url": "http://localhost:8000"
    }
  }
}

工具

未检测到工具

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is A2A MCP Server?

A simple MCP server that provides Claude Desktop access to A2A (Agent-to-Agent) protocol agents, particularly those built with a2a_min and fast-agent. It was developed as a personal project to assist with agent development and is intended to be developer friendly rather than production ready.

How to use A2A MCP Server?

Use the three MCP tools: a2a_server_registry to register or remove A2A servers, list_agents to list registered agents with capabilities, and call_agent to send a prompt to a specific agent. The typical workflow is to register a server, list agents, then call an agent as needed.

Key features of A2A MCP Server?

Register or remove A2A servers
List all registered agents with capabilities
Call an agent with a prompt and get a response
Bridges Claude Desktop with A2A protocol agents
Developer friendly and hackable

Use cases of A2A MCP Server?

Extend Claude Desktop to interact with custom A2A-compatible security audit agents.
Integrate multiple A2A servers and manage them via Claude's MCP interface.
Develop and debug A2A agents by calling them directly from Claude Desktop.
Use as a bridge for prototyping agent-to-agent communication within a chat interface.

FAQ from A2A MCP Server

What does this server do that alternatives don't?

It provides a direct MCP bridge from Claude Desktop to A2A protocol agents, allowing dynamic registration and calling of agents.

What are the runtime requirements?

It requires an MCP host (like Claude Desktop) and an A2A agent server running on a reachable URL.

Is this production ready?

No, the README explicitly states it is developer friendly more than production ready, and not the best idea to deploy into prod as-is.

How do I test it locally?

Register an A2A server (e.g., a security audit agent built with fast-agent and a2a_min), list agents, then call one with a prompt.

What transport or authentication does it support?

The README does not mention specific transport or authentication beyond registering servers via URL. It uses MCP's standard tool interface.

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