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
OmniRoutesource codeNever stop coding. Free MIT AI gateway: one endpoint, 350 providers (90+ free), 1200+ models Kimi, Claude, GPT58 715TypeScript2026-02-13
A2Asource codeAgent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic appli25 559Shell2025-03-25
Bindusource codeBindu: The identity, communication, and payments layer for AI agents.9 444Python2025-03-16
evolversource codeThe GEP-powered self-evolving engine for AI agents. Auditable evolution with Genes, Capsules, and Events. | ev9 029JavaScript2026-02-01
adk-gosource codeAn open-source, code-first Go toolkit for building, evaluating, and deploying sophisticated AI agents with fle8 730Go2025-05-05
internet-court-skillsource codeThe trust layer for agent-to-agent commerce — natural-language mandates, ERC-7710 delegated permissions, x402 5 090TypeScript2026-06-16
solace-agent-meshsource codeAn event-driven framework designed to build and orchestrate multi-agent AI systems. It enables seamless integr4 951Python2025-01-10
ag2source codeAG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x4 895Python2024-11-11
learn-agentic-aisource codeLearn Agentic AI using Dapr Agentic Cloud Ascent (DACA) Design Pattern and Agent-Native Cloud Technologies: Op4 350Jupyter Notebook2024-06-12
archestrasource codeEnterprise AI Platform with guardrails, MCP registry, gateway & orchestrator4 235TypeScript2025-07-15
fast-agentsource codeCode, Build and Evaluate agents - excellent Model and Skills/MCP/ACP/A2A Support3 904Python2025-01-18
atmospheresource codePortable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more b3 796Java2010-06-30
sprix-sage-routersource codeSprix AI at 屿智同行 — state-aware SELF/COLLABORATE/HANDOFF routing for A2A agent networks.2 791Python2026-08-18
bitterbot-desktopsource codeA local-first AI agent with persistent memory, emotional intelligence, and a peer-to-peer skills economy.2 457TypeScript2026-03-28
a2a-pythonsource codeOfficial Python SDK for the Agent2Agent (A2A) Protocol2 116Python2025-05-09
agent-teams-aisource codeYou're the boss, agents are your team. They handle tasks on their own, message each other, and review each oth2 003TypeScript2026-02-21
yomosource code🦖 Serverless AI Agent Framework with Geo-distributed Edge AI Infra.1 920Rust2020-07-01
trpc-agent-gosource codeA Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, eva1 752Go2025-05-14
a2a-samplessource codeSamples using the Agent2Agent (A2A) Protocol1 751Jupyter Notebook2025-05-27
any-agentsource codeA single interface to use and evaluate different agent frameworks 1 197Python2025-03-25
innovation-lab-examplessource code80+ production-ready AI agent examples in Python — build autonomous agents, multi-agent systems and agentic AI1 148Python2025-06-16
Agentlas-OSsource codeAgent OS: keep specialist agents in a hub, spin up a temporary orchestrator per task. Local-first, works with 1 106Python2026-06-04
AI-Gatewaysource codeLabs to explore AI Models, MCP servers, and Agents with the AI Gateway powered by Azure API Management and Mic981Jupyter Notebook2024-04-03
mcp-gateway-registrysource codeEnterprise-ready MCP Gateway & Registry that centralizes AI development tools with secure OAuth authentication886Python2025-05-29
nuwaxsource codeNuwax Agent OS - An enterprise-grade AI Agent Development and Operation Platform - Providing a complete soluti875TypeScript2025-07-09
agentscope-runtimesource codeA production-ready runtime framework for agent apps with secure tool sandboxing, Agent-as-a-Service APIs, scal861Python2025-08-14
awesome-a2asource codeAgent2Agent (A2A) – awesome A2A agents, tools, servers & clients, all in one place.678not reported2025-04-10
LLMTornadosource codeThe .NET library to build AI agents with 30+ built-in connectors.638C#2023-10-08
EnterpriseAgentFrameworksource codeReachAI企业级智能体开发平台:快速、安全完成已有业务系统智能化改造,让 AI 在 OA、ERP、CRM 等原系统中查数据、填表单、办业务。ReachAI: Quickly and securely bring AI620Java2026-04-02
evo-aisource codeEvo AI is an open-source platform for creating and managing AI agents, enabling integration with different AI 608TypeScript2025-05-13
ovosource codeAgent behavior that compiles567Rust2026-01-28
ISEKsource codeA decentralized agent network for building collaborative, LLM-powered agent-to-agent (A2A) systems.566Python2025-03-24
machisource codeAgent behavior that compiles566Rust2026-01-28
opencrewsource codeOpenclaw多智能体协同系统 | Multi-Agent OS for Decision Makers — 基于 OpenClaw (Clawbot) + Slack,让 AI 团队各司其职、自主稳定迭代。494Shell2026-02-08
a2a-javasource codeOfficial Java SDK for the Agent2Agent (A2A) Protocol481Java2025-05-02
asersource codeAser is a lightweight, self-assembling AI Agent frame.472Python2025-02-25
a2a-gosource codeGolang SDK for A2A Protocol447Go2025-05-30
registry-broker-skillssource codeAI agent skills for the Universal Registry - search, chat, and register 72,000+ agents across 14+ protocols. W418TypeScript2026-02-01
EDDIsource codeConfig-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM provi372Java2016-10-13
AgentHoundsource codeOffensive security framework for AI agent infrastructure - recon, credential looting, model exfiltration, pois342Go2026-04-05
ai-snssource codeOpenClaw Hermes AI Agent Social Network🦞💬🦞Built on Google 3D Maps and A2A protocol, connects OpenClaw and Herm340JavaScript2024-04-17
swivalsource codeA small, powerful, open-source CLI coding agent that works with open models.329Python2026-02-24
agent-systems-handbooksource codeA practical AI agents handbook covering agent systems, agentic workflows, LangGraph, MCP/A2A, context engineer317MDX2026-04-20
JoySafetersource code🚀 JoySafeter: An enterprise AI Agent Platform—Not just chatting. building、running、testing, and tracing autonom305Python2026-01-13
smythos-studiosource codeSmythOS Studio: Open-Source Visual AI Agent Builder and deployable runtime stack from SmythOS. Start with an i296TypeScript2025-07-07
c2sagentsource codeC2S Agent is an lightweight AI Agent construction platform that provides configurable online Agents and MCP se293Python2025-06-21
sample-agentic-frameworks-on-awssource codeBuild Agentic AI solutions on AWS, using latest OSS Agentic Frameworks.264Jupyter Notebook2024-12-16
aurasource codeAURA is a production-tested SRE agent platform you can deploy in minutes. AURA handles the guardrails, APIs, 258Rust2026-03-02
Cotalsource codeThe open standard for agent coordination255TypeScript2026-06-02
ladsource codeAn open protocol for discovering A2A-capable AI agents on local networks — the discovery & trust bootstrap lay255Python2026-01-28
a2a-directorysource codeAgent2Agent (A2A) – AgentCards, Servers, Clients, Docs239not reported2025-04-13
langchain_data_agentsource codeNL2SQL - Ask questions in plain English, get SQL queries and results. Powered by LangGraph.234Python2025-12-22
fasta2asource code🤖 Convert an AI Agent into a A2A server.219Python2025-07-10
local-operatorsource codeAI agents platform that gives you a workspace with an integrated team of personal assistants that can work beh209Python2025-01-25
awesome-agent-evolutionsource codeA curated list of AI Agent evolution, memory systems, multi-agent architectures, and self-improvement projects202JavaScript2026-03-07
idun-agent-platformsource code🟪 Open-source runtime that ships any LangGraph or Google ADK agent as a production-ready FastAPI service. Bund198Python2025-05-28
lucid-agentssource codeLucid Agents Commerce SDK. Bootstrap AI agents in 60 seconds that can pay, sell, and participate in agentic co194TypeScript2025-11-04
sample-strands-agent-with-agentcoresource codeReference architecture for agentic AI chatbots with Strands Agents and Amazon Bedrock AgentCore191Python2025-08-13
awesome-a2asource codeAgent2Agent (A2A) – awesome A2A agents, tools, servers & clients, all in one place. 187not reported2025-04-09
muxisource codeDeploy intelligence. Open-source infrastructure for AI agents in production.169not reported2025-10-29