Repositories list

• a2a-itk

  Public
  Integration Testing Kit for A2A SDKs

  Python

  •99 forks•77 stars•22 issues•33 pull requests•Updated Sep 18, 2026Sep 18, 2026

• a2a-js

  Public
  Official JavaScript SDK for the Agent2Agent (A2A) Protocol

  TypeScript

  •

  Apache License 2.0

  •171171 forks•621621 stars•2222 issues•4949 pull requests•Updated Sep 18, 2026Sep 18, 2026

• a2a-python

  Public

  a2aproject/a2a-python’s past year of commit activity
  Official Python SDK for the Agent2Agent (A2A) Protocol

  agentsa2agenerative-ai+ 5

  agentsa2agenerative-aiagent2agenta2a-protocola2a-mcpa2a-servera2a-client

  Python

  •

  Apache License 2.0

  •497497 forks•2.1k2.1k stars•3131 issues•5050 pull requests•Updated Sep 18, 2026Sep 18, 2026

• a2a-rs

  Public
  A2A Rust SDK

  Rust

  •

  Apache License 2.0

  •2020 forks•8080 stars•1717 issues•77 pull requests•Updated Sep 18, 2026Sep 18, 2026

• a2a-dotnet

  Public
  C#/.NET SDK for A2A Protocol

  C#

  •

  Apache License 2.0

  •6464 forks•263263 stars•3030 issues•1010 pull requests•Updated Sep 17, 2026Sep 17, 2026

• a2a-java

  Public
  Official Java SDK for the Agent2Agent (A2A) Protocol

  javaaihacktoberfest+ 5

  javaaihacktoberfestai-agentsa2aagent2agenta2a-servera2a-client

  Java

  •

  Apache License 2.0

  •174174 forks•493493 stars•4646 issues•1414 pull requests•Updated Sep 17, 2026Sep 17, 2026

• a2a-cli

  Public
  The official command-line interface for interacting with A2A (Agent2Agent) compatible agents.

  Go

  •

  Apache License 2.0

  •1111 forks•129129 stars•1212 issues•44 pull requests•Updated Sep 17, 2026Sep 17, 2026

• a2a-go

  Public
  Golang SDK for A2A Protocol

  gosdkai+ 9

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

  Go

  •

  Apache License 2.0

  •9595 forks•468468 stars•1010 issues•1919 pull requests•Updated Sep 16, 2026Sep 16, 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•26k26k stars•195195 issues•6060 pull requests•Updated Sep 16, 2026Sep 16, 2026

• winget-pkgs

  Public
  The Microsoft community Windows Package Manager manifest repository

  MIT License

  •9.7k9.7k forks•22 stars•00 issues•00 pull requests•Updated Sep 15, 2026Sep 15, 2026

• experimental-cpb-slimrpc

  Public
  SLIMRPC custom protocol binding for A2A.

  Apache License 2.0

  •11 fork•99 stars•11 issue•22 pull requests•Updated Sep 11, 2026Sep 11, 2026

• a2a-inspector

  Public
  Validation Tools for A2A Agents

  TypeScript

  •

  Apache License 2.0

  •154154 forks•490490 stars•2323 issues•4848 pull requests•Updated Sep 10, 2026Sep 10, 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

  •756756 forks•1.8k1.8k stars•127127 issues•189189 pull requests•Updated Sep 9, 2026Sep 9, 2026

• a2a-tck

  Public
  Python

  •

  Apache License 2.0

  •4040 forks•5151 stars•4444 issues•1616 pull requests•Updated Sep 1, 2026Sep 1, 2026

• experimental-ext-oid4vp-auth

  Public
  OID4VP In-Task Authorization Extension for A2A.

  Apache License 2.0

  •11 fork•55 stars•00 issues•00 pull requests•Updated Aug 4, 2026Aug 4, 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•11 star•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

  •1.3k1.3k forks•33 stars•00 issues•00 pull requests•Updated Apr 28, 2026Apr 28, 2026