Repositories list

• a2a-java

  Public
  Official Java SDK for the Agent2Agent (A2A) Protocol

  javaaihacktoberfest+ 5

  javaaihacktoberfestai-agentsa2aagent2agenta2a-servera2a-client

  Java

  •

  Apache License 2.0

  •166166 forks•472472 stars•5151 issues•2222 pull requests•Updated Aug 14, 2026Aug 14, 2026

• A2A

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

  agentslinux-foundationa2a+ 4

  agentslinux-foundationa2agenerative-aia2a-protocola2a-mcpa2a-server

  Shell

  •

  Apache License 2.0

  •2.6k2.6k forks•25k25k stars•181181 issues•5050 pull requests•Updated Aug 14, 2026Aug 14, 2026

• a2a-go

  Public
  Golang SDK for A2A Protocol

  gosdkai+ 9

  gosdkaiprotocolmultiagent-systemsagentsagent-servera2aa2a-protocolagent-to-agent+ 2

  Go

  •

  Apache License 2.0

  •9090 forks•436436 stars•88 issues•1818 pull requests•Updated Aug 13, 2026Aug 13, 2026

• a2a-rs

  Public
  A2A Rust SDK

  Rust

  •

  Apache License 2.0

  •1616 forks•6464 stars•66 issues•1515 pull requests•Updated Aug 13, 2026Aug 13, 2026

• a2a-itk

  Public
  Integration Testing Kit for A2A SDKs

  Python

  •88 forks•44 stars•22 issues•22 pull requests•Updated Aug 13, 2026Aug 13, 2026

• a2a-python

  Public
  Official Python SDK for the Agent2Agent (A2A) Protocol

  agentsa2agenerative-ai+ 5

  agentsa2agenerative-aiagent2agenta2a-protocola2a-mcpa2a-servera2a-client

  Python

  •

  Apache License 2.0

  •477477 forks•2.1k2.1k stars•2929 issues•4747 pull requests•Updated Aug 13, 2026Aug 13, 2026

• a2a-js

  Public
  Official JavaScript SDK for the Agent2Agent (A2A) Protocol

  TypeScript

  •

  Apache License 2.0

  •162162 forks•586586 stars•1616 issues•5151 pull requests•Updated Aug 13, 2026Aug 13, 2026

• a2a-dotnet

  Public
  C#/.NET SDK for A2A Protocol

  C#

  •

  Apache License 2.0

  •6666 forks•249249 stars•3434 issues•2828 pull requests•Updated Aug 12, 2026Aug 12, 2026

• a2a-samples

  Public
  Samples using the Agent2Agent (A2A) Protocol

  agentsa2agenerative-ai+ 4

  agentsa2agenerative-aia2a-protocola2a-mcpa2a-servera2a-client

  Jupyter Notebook

  •

  Apache License 2.0

  •732732 forks•1.7k1.7k stars•124124 issues•175175 pull requests•Updated Aug 9, 2026Aug 9, 2026

• a2a-inspector

  Public
  Validation Tools for A2A Agents

  TypeScript

  •

  Apache License 2.0

  •145145 forks•467467 stars•2121 issues•3333 pull requests•Updated Aug 8, 2026Aug 8, 2026

• winget-pkgs

  Public
  The Microsoft community Windows Package Manager manifest repository

  MIT License

  •8.7k8.7k forks•22 stars•00 issues•00 pull requests•Updated Aug 5, 2026Aug 5, 2026

• experimental-ext-oid4vp-auth

  Public
  OID4VP In-Task Authorization Extension for A2A.

  Apache License 2.0

  •11 fork•33 stars•00 issues•00 pull requests•Updated Aug 4, 2026Aug 4, 2026

• experimental-cpb-slimrpc

  Public
  SLIMRPC custom protocol binding for A2A.

  Apache License 2.0

  •11 fork•66 stars•00 issues•22 pull requests•Updated Jul 24, 2026Jul 24, 2026

• a2a-tck

  Public
  Python

  •

  Apache License 2.0

  •3939 forks•4747 stars•4747 issues•2323 pull requests•Updated Jun 29, 2026Jun 29, 2026

• .github

  Public
  Apache License 2.0

  •33 forks•22 stars•00 issues•11 pull request•Updated Jun 11, 2026Jun 11, 2026

• a2a-gateway

  Public
  A2A Gateway allowing hooking up A2A Agents to different communications channels

  00 forks•00 stars•00 issues•00 pull requests•Updated May 14, 2026May 14, 2026

• adk-docs

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

  Shell

  •

  Apache License 2.0

  •1.2k1.2k forks•11 star•00 issues•00 pull requests•Updated Apr 28, 2026Apr 28, 2026