What is the Google A2A protocol?
A2A is Google's proposed standard for enabling AI agents to communicate with each other through a standardized HTTP API, using an Agent Card for discovery and a Task API for exchanging messages.
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基本信息
Example implementation of the Google A2A protocol with a Flask server and Python client. Includes web search integration via MCP
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"google-a2a-agent": {
"command": "python",
"args": [
"-m",
"venv",
"venv"
]
}
}
}工具列表暂未提供
当前收录暂时没有可展示的工具列表,不代表服务没有工具。请查阅项目文档了解支持的能力。
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。
Google A2A Agent Example implements a simple Agent-to-Agent (A2A) communication system based on Google's proposed A2A protocol. It consists of a Flask-based server that acts as an AI agent and a Python client that demonstrates agent discovery and task exchange.
Clone the repository, create a virtual environment, add your OpenAI and Brave API keys to a .env file, and install dependencies. Run python server.py in one terminal and python client.py in a separate terminal to send a predefined question and receive the agent's response.
/.well-known/agent.json, /tasks/send)pydantic-ai libraryA2A is Google's proposed standard for enabling AI agents to communicate with each other through a standardized HTTP API, using an Agent Card for discovery and a Task API for exchanging messages.
You need an OpenAI API key (for GPT-4o-mini) and a Brave API key (for Brave Search), stored in a `.env` file as `OPENAI_API_KEY` and `BRAVE_API_KEY`.
The client discovers the agent by fetching its Agent Card, sends a task to `/tasks/send`, the server processes the query using OpenAI and optionally calls Brave Search via MCP, and returns the final response to the client.
No, this example only implements the essential `/tasks/send` endpoint and Agent Card discovery, not the full A2A protocol specification.
All AI processing and tool integration (OpenAI API calls and Brave Search requests) happen server-side. The client only sends the initial task and receives the final response.

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