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---
layout: default
title: "Google A2A"
nav_order: 12
has_children: true
---
# Tutorial: Google A2A
> This tutorial is AI-generated! To learn more, check out [AI Codebase Knowledge Builder](https://github.com/The-Pocket/Tutorial-Codebase-Knowledge)
The **Google A2A (Agent-to-Agent)**<sup>[View Repo](https://github.com/google/A2A)</sup> project defines an *open protocol* enabling different AI agents, possibly built with different technologies, to communicate and work together.
Think of it as a common language (*A2A Protocol*) agents use to discover each other (*Agent Card*), assign work (*Task*), and exchange results, even providing real-time updates (*Streaming*).
The project includes sample *client* and *server* implementations, example agents using frameworks like LangGraph or CrewAI, and a *demo UI* showcasing multi-agent interactions.
```mermaid
flowchart TD
A0["A2A Protocol & Core Types"]
A1["Task"]
A2["Agent Card"]
A3["A2A Server Implementation"]
A4["A2A Client Implementation"]
A5["Task Handling Logic (Server-side)"]
A6["Streaming Communication (SSE)"]
A7["Demo UI Application & Service"]
A8["Multi-Agent Orchestration (Host Agent)"]
A0 -- "Defines Structure For" --> A1
A0 -- "Defines Structure For" --> A2
A4 -- "Sends Task Requests To" --> A3
A3 -- "Delegates Task To" --> A5
A5 -- "Executes" --> A1
A8 -- "Uses for Discovery" --> A2
A3 -- "Sends Updates Via" --> A6
A4 -- "Receives Updates Via" --> A6
A8 -- "Acts As" --> A4
A7 -- "Presents/Manages" --> A8
A7 -- "Communicates With" --> A5
```