Repositories list

• a2a-js

  Public

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

  TypeScript

  •

  Apache License 2.0

  •152152 forks•576576 stars•88 issues•2727 pull requests•Updated Jul 22, 2026Jul 22, 2026

• a2a-rs

  Public

  a2aproject/a2a-rs’s past year of commit activity
  A2A Rust SDK

  Rust

  •

  Apache License 2.0

  •1212 forks•5555 stars•77 issues•88 pull requests•Updated Jul 22, 2026Jul 22, 2026

• A2A

  Public

  a2aproject/A2A’s past year of commit activity
  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

  •2.5k2.5k forks•25k25k stars•166166 issues•4848 pull requests•Updated Jul 21, 2026Jul 21, 2026

• a2a-java

  Public

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

  javaaihacktoberfest+ 5

  javaaihacktoberfestai-agentsa2aagent2agenta2a-servera2a-client

  Java

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  Apache License 2.0

  •156156 forks•461461 stars•4545 issues•2121 pull requests•Updated Jul 21, 2026Jul 21, 2026

• a2a-samples

  Public

  a2aproject/a2a-samples’s past year of commit activity
  Samples using the Agent2Agent (A2A) Protocol

  agentsa2agenerative-ai+ 4

  agentsa2agenerative-aia2a-protocola2a-mcpa2a-servera2a-client

  Jupyter Notebook

  •

  Apache License 2.0

  •716716 forks•1.7k1.7k stars•121121 issues•155155 pull requests•Updated Jul 21, 2026Jul 21, 2026

• a2a-dotnet

  Public
  C#/.NET SDK for A2A Protocol

  C#

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  Apache License 2.0

  •6464 forks•247247 stars•3333 issues•2121 pull requests•Updated Jul 21, 2026Jul 21, 2026

• a2a-python

  Public
  Official Python SDK for the Agent2Agent (A2A) Protocol

  agentsa2agenerative-ai+ 5

  agentsa2agenerative-aiagent2agenta2a-protocola2a-mcpa2a-servera2a-client

  Python

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  Apache License 2.0

  •461461 forks•2k2k stars•2424 issues•2626 pull requests•Updated Jul 20, 2026Jul 20, 2026

• a2a-go

  Public
  Golang SDK for A2A Protocol

  gosdkai+ 9

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

  Go

  •

  Apache License 2.0

  •8383 forks•421421 stars•55 issues•99 pull requests•Updated Jul 20, 2026Jul 20, 2026

• winget-pkgs

  Public
  The Microsoft community Windows Package Manager manifest repository

  MIT License

  •8.1k8.1k forks•22 stars•00 issues•00 pull requests•Updated Jul 16, 2026Jul 16, 2026

• a2a-itk

  Public

  a2aproject/a2a-itk’s past year of commit activity
  Integration Testing Kit for A2A SDKs

  Python

  •44 forks•33 stars•22 issues•00 pull requests•Updated Jul 13, 2026Jul 13, 2026

• a2a-tck

  Public
  Python

  •

  Apache License 2.0

  •3434 forks•4242 stars•4040 issues•1212 pull requests•Updated Jun 29, 2026Jun 29, 2026

• experimental-cpb-slimrpc

  Public
  SLIMRPC custom protocol binding for A2A.

  Apache License 2.0

  •00 forks•55 stars•00 issues•22 pull requests•Updated Jun 16, 2026Jun 16, 2026

• .github

  Public
  Apache License 2.0

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

• experimental-ext-oid4vp-auth

  Public
  OID4VP In-Task Authorization Extension for A2A.

  Apache License 2.0

  •00 forks•22 stars•00 issues•00 pull requests•Updated May 14, 2026May 14, 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

• a2a-inspector

  Public
  Validation Tools for A2A Agents

  TypeScript

  •

  Apache License 2.0

  •139139 forks•451451 stars•2121 issues•2323 pull requests•Updated Feb 28, 2026Feb 28, 2026