A2A directory

Every measured A2A repository, most followed first. Each entry carries its measured history, licence and maintenance status.

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A2A directory

ProjectStarsLanguageCreated
search-agentsource codeAn enterprise-ready Google Search Agent demonstrating secure Agent-to-Agent (A2A) communication using Google…6Python2025-08-09
orkasource codeA modular agent orchestration platform built in Rust — multi-channel messaging, priority queues, LLM…6Rust2026-03-22
unified-ai-systemsource codePublic Preview: self-hosted, protocol-first AI gateway and agent control plane for OpenAI, Anthropic, Gemini,…6JavaScript2026-04-27
A2A-XKCDsource codeA minimal A2A (Agent-to-Agent) compatible agent that fetches and displays XKCD comics.6Python2025-06-24
intent-outreachsource codeModel-agnostic, Claude-Code-native SDR orchestrator: research → enrich → outreach over your own data-provider…6JavaScript2025-10-31
switchboardsource codeProgrammable payments for AI agents — HTTP/402 + on-chain escrow + ZAP binary wire + gas budgets + nonce…6HTML2026-04-03
build-with-agentsource codeADK Agent Build Demo for Korean developers, showcasing how to build AI agents with the ADK development kit.6Python2026-04-08
llmwiki-servesource codeServe local Markdown/wiki knowledge folders as agent-readable HTTP, MCP-style, and A2A-style context.6Python2026-07-07
genius-agentsource codeGenius Agent can Handle Thousands of MCP Servers without blowing up Context6Python2023-10-29
kynomeshsource codeKubernetes-native platform for orchestrating distributed multi-agent systems.6Go2026-02-24
a2a-client-hubsource codeSelf-hosted A2A client and control plane for managing and invoking multiple A2A agents across web and mobile.6Python2026-02-08
dsh-agent-bussource codeMulti-agent orchestration for DeepSeek Harness: turn isolated sessions into a team that assigns work, reviews…6TypeScript2026-08-18
multi-agent-hotel-assistantsource codeAWS-powered hotel booking multi-agent assistant built with Strands Agents, Amazon Bedrock AgentCore, A2A…6TypeScript2025-09-27
Atlas-AIsource codeCross-platform Flutter AI chat application for Android, Linux, and Windows. Features a fine-tuned agent…6Dart2025-08-05
self-evolving-hypergraph-memorysource codeSHM v6.15.0 — 自演化超图记忆系统: R4OracleDb oracle DB 同形注入, 评测数据面重建 (LoCoMo-Refined 72.43%), 精卫循环至 SOTA 82.65 进行中6Python2026-05-09
broodlinksource codeMulti-agent AI orchestration platform — coordinate, observe, and govern autonomous agents6JavaScript2026-02-19
dna-x402source codeDNA — Payment rails for AI agents. x402 micropayment protocol on Solana. Netting, transfer, stream settlement.…6Rust2026-05-27
agent-catalogsource codeCatalog every AI agent in your Backstage instance — across kagent, ARK, and any A2A service — with live agent…6TypeScript2026-07-03
Google_AzureOpenAI_A2A-Simplifiedsource codeSimplified Google A2A Protocol Implementation for Azure OpenAI6Python2025-04-14
aipsource codeAgent Identity Protocol -- verifiable, delegable identity for AI agents across MCP and A2A. IETF…6HTML2026-03-22
Resonnetsource codeMulti-agent cognitive alignment backend for controlled collaboration.6Python2026-02-19
cus-ai-agentsource code基于LangGraph构建的智能体系统,通过FastAPI暴露OpenAPI接口,实现智能体编排功能。6Python2025-10-01
ge-claude-a2asource codeRun Anthropic's Claude Code as a multi-surface A2A custom agent inside Gemini Enterprise App. One conversation…6TypeScript2026-04-21
GlobalA2ARegistrysource codeDocumentation for the API and introduction of the A2A Registry5JavaScript2026-02-08
agent-hookssource codeOpen protocol for agent-to-agent communication over HTTPS. No registry, no platform — just inboxes.5JavaScript2026-02-04
graspsource codeThe agentic browser for your AI apps and agents, with built-in MCP and A2A support.5TypeScript2025-04-18
openclaw-a2a-pluginssource codeOpenClaw plugins that add A2A compatibility and enable communication with other A2A-compatible agents.5TypeScript2026-03-05
sample-agentic-delegationsource codeReference architecture for secure multi-agent delegation chains using Cedar-based permission attenuation on…5Python2026-03-25
prime-silosource codeThe canonical Sovereign AI Agent OS & runtime harness. Built for Model Context Protocol (MCP), Agent-to-Agent…5JavaScript2026-05-06
kiboservesource codeOpen-source Python framework to deploy AI agents via HTTP, A2A, and MCP with built-in observability5Python2026-02-28
gaiia-mcp-serversource codeAPI Interrogator to produce MCP, A2A and OpenAPI specifications, and audit/review codebases with Expert…5TypeScript2026-04-28
maidansource codeThe operating layer for teams of AI agents5Rust2026-05-21
Directorsource codeDirector: AI-first local system for producing live-app presentation videos and decks.5TypeScript2026-06-18
MAF-A2A-NVIDIA-NemoAgentssource codeMulti-agent reference app combining NVIDIA NeMo (Python) and Microsoft Agent Framework (.NET) over A2A, with a…5C#2026-05-19
truematchsource codeOpen source AI agent dating network. Matched on who you actually are — not who you think you are.5TypeScript2026-03-02
hybrosource codeThe open interoperability layer for AI agents. Connect your favorite agents and harnesses. Work together.5Python2026-06-24
ant-aisource codeA lightweight Python framework for building multi-agent systems that communicate via A2A protocol5Python2026-04-23
infrastructure-agentsource codeAI agent examples run on AWS EKS. Shows Terraform, Vault, and Agent2Agent.5HCL2026-01-12
a2a-deep-researchsource codeA deep research agent implementation using Google's Agent-to-Agent (A2A) framework with Model Context Protocol…5Python2025-05-12
agent-utilitiessource codeUtilities to spin up Pydantic AI agents with a few additional enhancements and integrations5Python2026-02-22
container-manager-mcpsource codeManage containers on docker, podman, compose, and docker swarm through an MCP Server for Agentic AI5Python2025-09-09
Hackster-AIAgenticProtocols--MCP-A2A-ACPsource codeHackster Learning Series about AI Agentic protocols (MCP, A2A, ACP) with practical code examples.5Python2025-06-29
TheAgentCafesource codeThe Agent Cafe — On-chain restaurant for AI agents on Base. Agents buy food, eat for gas credits, and keep…5TypeScript2026-03-01
motebitsource codeOpen protocol + reference runtime for sovereign AI agents. Persistent cryptographic identity, signed execution…5TypeScript2026-02-16
a2a-acpsource codeA2A<->ACP Bridge5Python2025-10-19
toolnexussource codeOne agent SDK, hand-ported to 7 languages — JavaScript, Python, Go, Java, C#, Elixir, Clojure — every port…5MDX2026-06-25
dsh-open-a2a-netsource codeOpen A2A network plugin for DeepSeek Harness: signed agent cards, decentralized peer/zone discovery, direct…5TypeScript2026-08-19
opensin-ai-platformsource codeOpenSIN-AI opensin-ai-platform5Shell2026-04-07
AI-Code-Super-Challengesource codeMaster AI Challenge is a repository with two hands-on coding challenges focused on Artificial Intelligence and…5Python2025-06-19
weftsource codeAgentic Marketplace that really trades.5JavaScript2026-08-01
AgentRelaysource codeSelf-hosted MCP mailbox for secure agent-to-agent collaboration across repositories and machines.5TypeScript2026-04-26
AWASsource codeOpen-source standard for AI-readable web actions - enabling AI browsers to interact with websites efficiently5Python2025-10-29
a2a-for-google-apps-scriptsource codeThis repository presents an Agent2Agent (A2A) architecture using Google Apps Script to resolve Tool Space…5JavaScript2026-01-01
vais-runtimesource codeOpen-source runtime for AI agents and multi-agent graphs — durable, declarative, self hosted.5C#2026-05-13
Ai-Job-hunting-Agentsource codeChecks for jobs continuously (24×7) on a schedule you control Parses job descriptions, extracts skills &…5Python2025-11-07
a2a-chat-hubsource codeAn example implementation of Agent2Agent (A2A) chat app with A2UI support. Chat with any A2A agent!5TypeScript2026-03-04
PlanPilotsource codeAI-powered Pakistan domestic travel concierge that uses specialized agents to build complete trip plans with…5Python2026-03-30
hvtrackersource codeAI agent & MCP trust registry — independent, evidence-based trust scores for 1.3K+ open-source AI agents and…5HTML2026-05-23
build-rapportsource codeThe relationships between agents will matter as much as their capabilities. Let them build rapport.4TypeScript2026-05-22
a202source codeA202, the Verifiable Agreement Protocol for Agent-Led Commerce: an open specification of commercial authority,…4Python2026-08-06