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
ra2asource codeRust SDK for the Agent2Agent (A2A) Protocol.167Rust2026-01-30
sample-getting-started-with-strands-agents-coursesource codeLearn to build AI agents with Strands framework. Covers LLM integration via Amazon Bedrock/Anthropic, AWS serv166Jupyter Notebook2025-08-05
a2a-scannersource codeScan A2A agents for potential threats and security issues166Python2025-12-04
eionsource codeShared Memory Storage for Multi-Agent Systems160Go2025-06-20
markussource codeThe best AI workforce platform, to build AI teams that actually deliver.157TypeScript2026-03-19
story-shot-agentsource code剧本分镜工具智能体（PenShot）：电影/动漫/短剧/小说/剧本→分镜→片段→prompt | 基于 LangGraph+LLM，自动解析任意格式剧本，生成 Sora/Veo/Runway 等模型可用的连贯text-t157Python2025-10-23
forgesource codeForge is the open-source runtime for Anthropic's Agent Skills standard — built for the agent that runs next to156Go2026-02-21
agent-kernelsource codeThe Operating System for Scalable Enterprise AI Agents - Run, orchestrate, and deploy Compliant Enterprise AI 156Python2025-07-18
elkar-a2asource codeElkar - Task management for AI Agents, ready for Agent2Agent (A2A) protocol151TypeScript2025-04-30
blocks-sdksource codeBlocks Network CLI and SDKs140TypeScript2026-04-11
ai-safe2-frameworksource codeThe Universal Governance, Risk, Compliance (GRC) Operating System with Integrated Security for Agentic AI, Non139Python2025-12-12
llmsource codeRuby's capable AI runtime138Ruby2024-10-03
awesome-omni-skillssource codePublic repository of AI coding skills, curated improved best-practice skills, and runtime surfaces for CLI, AP135Python2026-03-26
zhinsource codeAI-native TypeScript bot framework — one codebase for 20+ chat platforms (QQ, Discord, Telegram, Slack, WeChat135TypeScript2022-08-17
pilotprotocolsource codePilot Protocol: The Internet of Agents134Go2026-02-07
AgentUpsource codePortable , scalable , secure AI Agents126Python2025-06-29
agentic-appssource codeAgentic Applications built using IoA components123Python2025-03-04
aampsource codeMailbox-native protocol and SDKs for asynchronous agent collaboration over email117TypeScript2026-04-22
os-modasource codeAn operating system built for AI agents — talk to your NixOS server instead of SSH-ing in. Typed, audited tool116Rust2026-02-20
AgentScansource codeAI protocol scanner — discover exposed MCP servers, A2A Agent Cards, and open LLM APIs in one command. 一条命令盘点 107Go2026-06-17
adk-gosource codeAn open-source, code-first Go toolkit for building, evaluating, and deploying sophisticated AI agents with fle107Go2025-04-11
a2a-x402-typescriptsource codeA complete TypeScript implementation of the Python x402 payment protocol extension for A2A (Agent-to-Agent) co102TypeScript2025-10-06
data-agent-tutorialsource codeData-Agent：从 0 到 1 构建 Text2SQL 智能体实战教程，覆盖 StateGraph 编排、双重 RAG、关系图谱、HITL 人工确认、SQL 自动纠错、Python Docker 沙盒执行与 A2A100Kotlin2026-03-30
aaronsource codeStep-by-step challenge lab repo to build your custom LLM Deep Researcher Assistant using Genkit97TypeScript2024-11-18
way-back-homesource code🚀 Way Back Home96Python2025-12-26
awakensource codeAI agent runtime for Rust — type-safe state, multi-protocol serving, plugin extensibility.95Rust2026-02-22
a2a-adaptersource codeOpen Source A2A Protocol Adapter SDK for Different Agent Frameworks and Harnesses94Python2025-11-15
vibesource codeOpen-Source AI-powered web browser. Browse the web with your own LLM API key. Alternative to Dia / Comet.94TypeScript2025-06-13
a2a-in-actionsource code我从A2A官方克隆下来，并加以修改的A2A实战代码示例，用于初学者入门教学，大家一起来A2A吧。90Python2025-05-17
achatbotsource codeAn open source chat bot architecture for voice/vision (and multimodal) assistants, local(CPU/GPU bound) and r89Python2024-05-28
tenuosource codeHigh-performance capability authorization engine for AI agents. Cryptographically attenuated warrants, task-sc88Rust2025-12-03
hypertersesource codeThe agentic server framework.84Go2026-01-06
chapsource codeCHAP, the Collaborative Human Agent Protocol, is a MCP/A2A-compatible runtime for auditable human-agent work: 80Python2026-05-17
agentanycastsource codeConnect AI agents across any network — zero config, encrypted, skill-based routing79Shell2026-03-17
use-agentlysource codeThe way AI coordinates and transacts. Routing and settlement layer for your agent economy.72TypeScript2026-02-24
AgentX-Pythonsource codeAgentX python SDK. Build multi-agent AI workforce. Run evaluation. Trace your agent. Full Observability.68Python2024-06-09
ai-agent-protocolsource codeAgent Network Protocol White Paper68HTML2025-05-13
awesome-agent-quickstartsource codeHelloworld for agentic frameworks, minimial but runnable! LangGraph, Agno, AutoGen, Smolagents, OpenAI Agents,65Python2025-02-04
join.cloudsource codeJoin.cloud lets AI agents work together in real-time rooms. Agents join a room, exchange messages, commit file63TypeScript2026-03-17
dns-aid-coresource codeDNS-based Agent Identification and Discovery - Reference Implementation for IETF BANDAID62Python2026-02-05
a2a4jsource codeA2A4J is a comprehensive Java implementation of the Agent2Agent Protocol, including server, client, examples, 59Java2025-05-18
Multi-Agent-System-A2A-ADK-MCPsource codeMulti-Agent Systems with Google's Agent Development Kit + A2A + MCP58Python2025-04-18
hectorsource codeA2A-Native AI Agent Platform written in Go58Go2025-09-17
zephsource codeA memory-first AI agent that remembers why decisions were made — not just the last message. Runs local (Ollama57Rust2026-02-05
clawhivesource codeLightweight, Rust-native AI Agent platform. Security sandbox from day one.57Rust2026-02-12
ememsource codeThe External memory of our physical world.56Rust2026-04-24
a2a-netsource code.NET implementation of the Agent2Agent (A2A) protocol to enable secure, interoperable communication between au55C#2025-04-14
codex-claude-bridgesource codeBidirectional bridge between Claude Code and OpenAI Codex CLI. Built on Claude Code Channels. Two AI agents, o54TypeScript2026-03-20
agent-sdk-gosource codeDurable execution framework for AI agents in Go. Keeps agent state, tool calls, and execution loops resilient 53Go2026-03-13
ai-mockssource code🤖 AI-Mocks is a Kotlin-based toolkit for mocking and testing LLM APIs with real streaming and SSE support. Sim52Kotlin2025-01-30
sample-strands-agents-chatsource codeA full-stack AI chat application powered by Amazon Bedrock and Strands Agents51TypeScript2025-08-13
translatorsource codelayer that lets you connect any agent, any tool, any api together.51Python2026-03-09
agentic-resource-discoverysource codeNeuronto Agentic Resource Discovery (ARD) Index. Federated search across every public ARD registry, plus a ver51Python2026-08-31
awesome-adksource codeA curated list of awesome resources, tools, libraries, tutorials, and references for Google Application Develo50not reported2025-04-28
next-rolesource code🚀 Level up your career with GenAI. 📄 Tailor your CV to any JD, 🔍 automate company research, and 🗓️ generate cu49Python2026-04-28
agentareasource codeCloud-native AI Agents orchestration platform for zero-human organizations48Python2025-02-09
hermes-a2a-bridgesource codeArchived — superseded by built-in Hermes A2A (https://hermes-agent.nousresearch.com/docs/user-guide/messaging/48Python2026-06-27
agenttransfersource codeOpen-source infrastructure for AI agents — each gets an email address, folder, inbox, and API key. Move files 48Go2026-07-02
ai-agent-architecturesource codeBuild LLM systems you actually control. A free, open engineering book + course — from tokenization to serving 46HTML2026-07-17
artinet-sdksource codeShip Agent2Agent in one line of code.46TypeScript2025-04-25