# Awesome A2A — Agent-to-Agent Ecosystem Directory

> Curated collection of A2A Protocol resources — official samples, SDKs for 5 languages, framework integrations, community implementations, and tutorials. The go-to directory for A2A adoption. MIT.

## Install

Paste the prompt below into your AI tool:

## Quick Use

1. Browse the full directory: [github.com/ai-boost/awesome-a2a](https://github.com/ai-boost/awesome-a2a)
2. Find your category (SDKs, frameworks, samples, tools, tutorials)
3. Pick resources for your language and use case
4. Follow implementation guides and official samples

Or ask your AI assistant:
```
What A2A resources are available for [Python/TypeScript/Java/Go] from the awesome-a2a list?
```

---

## Intro

Awesome A2A is the go-to curated directory for Google's Agent-to-Agent (A2A) Protocol ecosystem, with 550+ GitHub stars and MIT license. It covers official specifications, SDKs for 5 programming languages (Python, TypeScript, Java, Go, .NET), 40+ official sample implementations, 15+ community SDKs, framework integrations (LangChain, CrewAI, AutoGen), and tutorials. As A2A adoption accelerates alongside MCP, this directory helps developers navigate the rapidly growing ecosystem of agent interoperability tools.

Best for: developers adopting the A2A protocol who need to find SDKs, samples, and integration guides.
Covers: official resources, SDKs, frameworks, community projects, tools, tutorials.
Updated: community-driven.

---

## Awesome A2A — Resource Guide

### Official Resources

- **A2A Specification** — Full protocol definition at [a2a-protocol.org](https://a2a-protocol.org)
- **Official SDKs** — Python, TypeScript, Java, Go, .NET
- **40+ Official Samples** — Working implementations across all languages
- **A2A Blog** — Protocol updates and announcements

### SDKs by Language

| Language | Package | Maintainer |
|----------|---------|------------|
| Python | a2a-sdk | A2A Project (official) |
| TypeScript | @a2a-js/sdk | A2A Project (official) |
| Java | a2a-java | A2A Project (official) |
| Go | a2a-go | A2A Project (official) |
| .NET | A2A | A2A Project (official) |
| Rust | a2a-rs | Community |
| Elixir | a2a_ex | Community |
| PHP | a2a-php | Community |

### Framework Integrations

- **LangChain + A2A** — Build LangChain agents that communicate via A2A
- **CrewAI + A2A** — Multi-agent crews with A2A interoperability
- **AutoGen + A2A** — Microsoft's framework with A2A support
- **Google ADK + A2A** — Native A2A support in Google's Agent Dev Kit
- **Mastra + A2A** — TypeScript framework integration

### Sample Categories

| Category | Count | Description |
|----------|-------|-------------|
| Basic Agents | 10+ | Hello world and simple agent examples |
| Multi-Agent | 8+ | Collaborative agent systems |
| Enterprise | 5+ | Production patterns and security |
| Research | 5+ | Academic and research implementations |
| Integrations | 12+ | Framework-specific examples |

### A2A + MCP Together

Many resources show how to use A2A and MCP together:
- Agent uses **MCP** to connect to tools (databases, APIs, files)
- Agent uses **A2A** to communicate with other agents
- Both protocols work simultaneously in the same agent

### FAQ

**Q: What is Awesome A2A?**
A: A curated directory of resources for Google's Agent-to-Agent Protocol — SDKs, samples, framework integrations, tools, and tutorials across 5+ programming languages.

**Q: Is it free?**
A: Yes, MIT license. All linked resources have their own licenses (mostly Apache 2.0 or MIT).

**Q: How does A2A relate to MCP?**
A: MCP = agent-to-tool connection. A2A = agent-to-agent communication. Use both for full interoperability.

---

## Source & Thanks

> Maintained by [ai-boost](https://github.com/ai-boost). Licensed under MIT.
>
> [awesome-a2a](https://github.com/ai-boost/awesome-a2a) — ⭐ 550+

Thank you to ai-boost for curating the A2A ecosystem directory.

---

<!-- ZH -->


## Quick Use

Browse the full directory: [github.com/ai-boost/awesome-a2a](https://github.com/ai-boost/awesome-a2a)

---

## Intro

Awesome A2A is the go-to directory for the Google A2A (Agent-to-Agent) protocol ecosystem. 550+ GitHub stars, MIT-licensed. It covers the official spec, SDKs in 5 languages, 40+ official examples, 15+ community SDKs, framework integrations, and tutorials.

Best for developers adopting the A2A protocol.
Covers: official resources, SDKs, frameworks, community projects, tools, tutorials.

---

## Core Content

- **Official SDKs**: Python, TypeScript, Java, Go, .NET
- **40+ official examples**: across all languages
- **Framework integrations**: LangChain, CrewAI, AutoGen, Google ADK
- **Community SDKs**: Rust, Elixir, PHP, and more

### FAQ

**Q: What is Awesome A2A?**
A: An A2A protocol ecosystem directory — SDKs, examples, framework integrations, tools, and tutorials.

**Q: Is it free?**
A: MIT open source and free.

---

## Source & Thanks

> Maintained by [ai-boost](https://github.com/ai-boost). Licensed under MIT.
>
> [awesome-a2a](https://github.com/ai-boost/awesome-a2a) — ⭐ 550+


---
Source: https://tokrepo.com/en/workflows/awesome-a2a-agent-agent-ecosystem-directory-9e6c81c5
Author: Prompt Lab