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Agent2Agent (A2A) Project

Organization

Public GitHub footprint of Agent2Agent (A2A) Project

@a2aproject
View profile on GitHub

Donated to the Linux Foundation by Google

16

Public repositories

30,003

Total stars

1,474

Followers

The a2aproject organization hosts a significant presence on GitHub, focusing on interoperability between agentic applications. Its primary programming languages include Python, TypeScript, Shell, and Java. Notable repositories such as A2A and a2a-python showcase its commitment to developing open protocols and SDKs for seamless communication.

Top languages

Python 3TypeScript 2Shell 1Jupyter Notebook 1Java 1Go 1C# 1Rust 1

Public repositories

A2A

24,260

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

Shell
Updated Jun 12, 2026

a2a-python

1,969

Official Python SDK for the Agent2Agent (A2A) Protocol

Python
Updated Jun 12, 2026

a2a-samples

1,631

Samples using the Agent2Agent (A2A) Protocol

Jupyter Notebook
Updated Jun 12, 2026

a2a-js

555

Official JavaScript SDK for the Agent2Agent (A2A) Protocol

TypeScript
Updated Jun 11, 2026

a2a-java

438

Official Java SDK for the Agent2Agent (A2A) Protocol

Java
Updated Jun 12, 2026

a2a-inspector

434

Validation Tools for A2A Agents

TypeScript
Updated Jun 12, 2026

a2a-go

398

Golang SDK for A2A Protocol

Go
Updated Jun 12, 2026

a2a-dotnet

239

C#/.NET SDK for A2A Protocol

C#
Updated Jun 12, 2026

a2a-tck

38

No description provided for this repository.

Python
Updated Jun 1, 2026

a2a-rs

33

A2A Rust SDK

Rust
Updated Jun 12, 2026

experimental-cpb-slimrpc

3

SLIMRPC custom protocol binding for A2A.

Unknown Language
Updated Jun 11, 2026

experimental-ext-oid4vp-auth

2

OID4VP In-Task Authorization Extension for A2A.

Unknown Language
Updated May 19, 2026

.github

1

No description provided for this repository.

Unknown Language
Updated Jun 11, 2026

a2a-itk

1

Integration Testing Kit for A2A SDKs

Python
Updated Jun 11, 2026

adk-docs

1

An open-source, code-first toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

Unknown Language
Updated May 3, 2026

a2a-gateway

0

A2A Gateway allowing hooking up A2A Agents to different communications channels

Unknown Language
Updated May 14, 2026

Frequently asked questions

What does a2aproject build on GitHub?

a2aproject develops open protocols and software development kits (SDKs) for agentic applications on GitHub. Key projects include A2A, a communication protocol, and various SDKs in Python, TypeScript, and Java for developers.

Which programming languages does a2aproject use?

a2aproject primarily utilizes Python, TypeScript, Shell, Jupyter Notebook, Java, and Go. These languages support the development of various tools and protocols that enhance interoperability among applications.

Are a2aproject's repositories public?

Yes, all of a2aproject's repositories are public on GitHub. This transparency allows developers and users to access, contribute to, and utilize the tools and protocols created by the organization.

Is this exposure intended?

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