Repositories list

• a2a-java

  Public
  Official Java SDK for the Agent2Agent (A2A) Protocol

  javaaihacktoberfest+ 5

  javaaihacktoberfestai-agentsa2aagent2agenta2a-servera2a-client

  Java

  •

  Apache License 2.0

  •147147 forks•411411 stars•4343 issues•2121 pull requests•Updated May 5, 2026May 5, 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

  •429429 forks•1.9k1.9k stars•2929 issues•1818 pull requests•Updated May 5, 2026May 5, 2026

• a2a-tck

  Public
  Python

  •

  Apache License 2.0

  •2828 forks•3434 stars•3333 issues•44 pull requests•Updated May 5, 2026May 5, 2026

• a2a-js

  Public
  Official JavaScript SDK for the Agent2Agent (A2A) Protocol

  TypeScript

  •

  Apache License 2.0

  •136136 forks•533533 stars•1616 issues•1717 pull requests•Updated May 5, 2026May 5, 2026

• a2a-go

  Public
  Golang SDK for A2A Protocol

  gosdkai+ 9

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

  Go

  •

  Apache License 2.0

  •7777 forks•366366 stars•66 issues•55 pull requests•Updated May 5, 2026May 5, 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

  •668668 forks•1.6k1.6k stars•120120 issues•103103 pull requests•Updated May 5, 2026May 5, 2026

• a2a-rs

  Public
  A2A Rust SDK

  Rust

  •

  Apache License 2.0

  •55 forks•2020 stars•77 issues•33 pull requests•Updated May 4, 2026May 4, 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

  •2.4k2.4k forks•24k24k stars•225225 issues•2828 pull requests•Updated May 1, 2026May 1, 2026

• a2a-dotnet

  Public
  C#/.NET SDK for A2A Protocol

  C#

  •

  Apache License 2.0

  •5858 forks•230230 stars•3333 issues•2323 pull requests•Updated Apr 29, 2026Apr 29, 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

  •1k1k forks•11 star•00 issues•00 pull requests•Updated Apr 28, 2026Apr 28, 2026

• .github

  Public
  Apache License 2.0

  •33 forks•11 star•00 issues•22 pull requests•Updated Apr 8, 2026Apr 8, 2026

• a2a-inspector

  Public
  Validation Tools for A2A Agents

  TypeScript

  •

  Apache License 2.0

  •133133 forks•405405 stars•1818 issues•2020 pull requests•Updated Feb 28, 2026Feb 28, 2026