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
neuroscale-agentssource codeNeuroScale 2.0 — Autonomous A2A Agent Layer for self-healing ML platforms. Built on KServe, ArgoCD, Kyverno.…0Python2026-05-25
solarys-fraud-detection-demosource codeMulti-agent fraud detection demo using Claude + Gemini over MCP and A2A protocols0TypeScript2025-12-22
agorasource codeOpen Agent Registry & Discovery — DNS for AI agents0TypeScript2026-02-28
harpsource codeA relational memory layer for AI agents. HARP gives agents the ability to remember, learn from, and build on…0TypeScript2026-02-08
anlora-arpsource codeAgentic Reasoning Protocol (ARP) — open standard for cryptographically-signed brand claims, agent identity…0not reported2026-05-14
StateKnotsource codeA production-grade Rust framework for building typed, durable, and observable agent systems, with graph…0Rust2026-08-28
agentcouch-pluginssource codeOne-install AgentCouch plugins for Claude Code, Codex, and Cursor (MCP server + agentcouch-chat skill).0Shell2026-06-19
scholium-publicsource codePublic records of Scholium, an autonomous AI agent. Live site: https://scholium.latentpath.to0Python2026-08-24
auto-rfpsource codeHackathon project — end-to-end multi-agent RFP pipeline. A2A (agent-to-agent) communication + MCP tools:…0TypeScript2025-09-19
Smart-Agro-Autonomous-Fleetsource codeAutonomous multi-agent agricultural system powered by Gemini AI and Google Cloud Run.0Python2026-08-26
ai-examplessource codeAI Examples0Python2025-06-06
a2a-starter-kitsource code轻量文件型多 Agent 协作协议模板——角色/信封/决策日志/授权门禁，可嵌入任意项目。0not reported2026-07-26
music-theory-gamesource code浏览器端双核学练一体乐理产品——学路径教乐理，星图世界打怪。v1.7.36，手机横屏操控，中英双语问卷，零构建链。0JavaScript2026-07-26
agentic-hubsource codeA production-grade hub for exploring and implementing agentic workflows, multi-agent systems, and protocols…0Java2026-06-16
AI-agents-Stock-prediction-Systemsource codeProduction-grade multi-agent system that analyzes stocks using 6 specialized AI agents communicating via the…0Python2026-01-22
aivs-specsource codeAIVS: Agentic Integrity Verification Specification — Ed25519 + SHA-256 hash chain proof bundles for verified…0not reported2026-03-15
vcap-specsource codeVCAP: Verified Commerce for Agent Protocols — Open standard for settling agent-to-agent transactions with…0not reported2026-03-15
gforms-mcpsource codeThis is a mcp server for cloud.ru hackathon. The goal is to create a valuable mcp for deep A2A integration.0Python2025-12-07
a2a-localsource codeGoogle's Agent2Agent (A2A) protocol, minimal and readable: Agent Card discovery + JSON-RPC message/send + task…0Python2026-07-17
AI-CareCompanion-Offline-Health-By-Gemmasource codeManage health data with an offline-first AI assistant using Gemma 4B on React Native for symptom triage, drug…0not reported2026-05-23
Dealclaw-skillsource codeSkill for DealClaw A2A Marketplace0Python2026-03-08
gemini-cli-gas-a2a-subagentssource codeThis repository provides sample scripts and configurations to integrate Google Apps Script (GAS) as remote…0JavaScript2026-04-12
888a2a-litesource code888a2a-lite 是獨立、輕量的 Public A2A Hub，提供 Agent 註冊、Peer 發現、heartbeat 和以 agentId 尋址的 durable inbox。它可以讓…0Go2026-09-02
C1760-AB-620-Microsoft-Certified-AI-Agent-Builder-Associatesource codeAligned courseware & 20 connected hands-on labs for AB-620 Microsoft Certified AI Agent Builder Associate…0Python2026-08-03
intuitek-acesource codeIntuiTek¹ ACE — AI APIs via MCP & A2A: yield intelligence, autonomous commerce, AI strategy. x402…0Python2026-03-26
colony-chatsource codechat.thecolony.cc — focused agent-to-agent DM surface on Colony infrastructure. Landing page + skill.md +…0HTML2026-06-03
colony-chat-hermessource codeHermes Agent plugin for colony-chat. Drop-in agent-to-agent DM surface on The Colony — register, send,…0Python2026-06-04
colony-chat-pythonsource codePython client for colony-chat — focused agent-to-agent DM surface on The Colony. Thin wrapper over colony-sdk…0Python2026-06-03
agentic-researchsource codeA proof of concept and research inquiry into the state and usefulness of agentic systems.0Python2025-07-03
innerloop-agentsource codePortable Innerloop skills and remote MCP discovery for independently operated agents.0JavaScript2026-08-31
agent-stack-arcsource codeAgentStack is an orchestration gateway for the Agentic Economy. It enables a "General Contractor" agent to…0TypeScript2026-04-21
CodeFlowsource code面向长程研发任务的 Java Agent Harness，支持 A2A 跨语言协作、可恢复执行、上下文工程与 Eval 驱动开发。0Java2026-08-26
crewai-a2asource codeA2A-compliant multi-agent research crew built with CrewAI. Hierarchical team (Coordinator, Researcher, Writer)…0Python2026-05-13
hermes-a2a-platform-adaptersource codeA2A v1 platform adapter for Hermes Agent agent discovery and interop via JSON-RPC 2.0. Drop-in plugin, zero…0Python2026-05-14
langchain-a2asource codeA2A-compliant agent template built on LangChain's create_agent() with tool-calling. Define your tools, get a…0Python2026-05-12
langgraph-a2asource codeA2A-compliant agent template built on LangGraph's StateGraph. Define your graph topology, wire in your nodes,…0Python2026-05-12
maf-a2asource codeA2A-compliant data processing agent built with Microsoft Agent Framework. Three-stage @tool pipeline…0Python2026-05-13
openclaw-a2a-pluginsource codeA2A v1 protocol plugin for OpenClaw agent discovery and interop via JSON-RPC 2.0. Drop-in extension, zero core…0TypeScript2026-05-14
concursussource codeCompile a declarative DAG of subagents into a deployed, orchestrated team on AWS Bedrock AgentCore — agent…0Python2026-07-08
agent-connsource codeSecure A2A channels for agent runtimes with E2E invitations, automatic task handling, and approval gates.0TypeScript2026-07-15
awesome-agent-orchestrationsource codeCompile and organize top tools, frameworks, and resources for AI agent orchestration and multi-agent system…0not reported2024-05-16
agentixmeshsource codeAgent Trust Layer — kernel-verified, file-based messaging between AI agent sessions on one machine. Agents…0Python2026-06-29
astranl-mcpsource codeMOVED -> github.com/ASTRANL/astranl-mcp (canonical)0not reported2026-08-12
autonomercesource codeGive every AI agent a policy-controlled sales department with Gemini, Circle USDC, and OfferRail.0Python2026-07-31
telegram-agent-bussource codeTwo agents on two machines talking through a Telegram group: task, ACK, result, chase. No ports, no VPN, no…0Python2026-08-16
tpt-animasource codeA zero-legacy, four-layer AI runtime built from first principles for autonomous agents — replacing…0Rust2026-07-01
traylinx-auth-client-jssource codeEnterprise-grade Node.js authentication client for Traylinx Sentinel API with full A2A Protocol support0JavaScript2025-11-05
traylinx-auth-client-pysource codeEnterprise-grade Python authentication client for Traylinx Sentinel API with full A2A Protocol support0Python2025-11-05
aegis-masource codeSimple implemenation of A2A Protocol0Python2025-11-12
agent-readiness-kitsource codeMake your SaaS product discoverable by AI agents. Templates for llms.txt, A2A agent-card.json, AGENTS.md,…0not reported2026-03-01
a2a-adk-trip-agentsource codeA simple Google ADK + A2A multi-agent trip planner with driver, hotel, flight, and activities agents.0Python2026-05-19
openagent-registrysource codeOpen registry, scanner, and leaderboard for agent-ready websites. Scans the full agent-access stack —…0TypeScript2026-06-06
Claude-AI-Unlimited-Tool-2026source codeAutomate Claude AI interactions with custom hotkeys, memory manipulation tools, and configurable settings for…0Python2026-07-17
urirun-connector-a2asource codeA2A connector exposing the live urirun registry as an Agent Card.0Python2026-07-09
parleysource codeAn A2A agent network that reviews Python dependencies: four agents, one protocol, and a benchmark that…0Python2026-08-07
5-Day-AI-Agents-Intensive-Course-with-Googlesource codeIntroduction to Agents, Agent Tools & Interoperability (MCP), Context Engineering: Sessions & Memory, Agent…0Jupyter Notebook2025-11-11
valeo-relaysource codeStateful, authenticated, cryptographically signed sessions for agent-to-agent communication.0TypeScript2026-05-07
agentix-platformsource codeProduction-grade agentic AI on Kubernetes — LangGraph-native agent orchestration (Synapse) on EKS + Istio…0Shell2026-08-08
Multi_AI_Agent_Medical_Assistantsource codeAn AI-powered multi-agent system that demonstrates clinical triage, OTC medication recommendations, and…0Python2025-12-05
reelforgesource codeA2A-protocol multi-agent engine: long video → viral short-form reels → auto-publish to YouTube + Instagram.…0Python2026-07-29