A2A directory
Every measured A2A repository, most followed first. Each entry carries its measured history, licence and maintenance status.
A2A directory
| Project | Stars | Language | Created |
|---|---|---|---|
| a2a-java-sdk-springsource codeA2A Java SDK for Spring Framework. Including server, Spring Boot auto configuration, Spring AI tools, and Spri | 0 | Java | 2026-02-08 |
| axguardsource codeAdversarial security testing for AI agents — MCP, A2A, x402/L402, and live tool-use. Tests as YAML, evidence a | 0 | Python | 2026-06-10 |
| it-helpdesk-assistantsource code🤖 AI-powered IT Helpdesk Assistant with A2A orchestration layer, MCP integration, and Streamlit chat interface | 0 | Python | 2025-10-20 |
| it_ticket_intelligent_agentsource code🎫 A multi-agent AI system for intelligent IT ticket management with NLP-powered trend analysis, A2A protocol c | 0 | Python | 2025-10-18 |
| grikardsource codePublic profile README and artifact index for Gary Rikard’s enterprise AI strategy, workflow economics, and con | 0 | not reported | 2026-05-06 |
| a2a-mcp-cpgsource codeFirst MCP bridging Azure + Gemini Enterprise for agentic CPG procurement. 30 Agent GTINs · 4 AI Agent Rails · | 0 | not reported | 2026-04-25 |
| a2a-labsource codeA2A (Agent-to-Agent) Protocol lab with dynamic agent discovery, JSON-RPC 2.0 communication, and registry-based | 0 | Python | 2026-04-06 |
| a2a-agents-secure-verification-pocsource codea Python proof-of-concept (PoC) application for security formal verification of LLM Agents using Google A2A (A | 0 | Python | 2025-05-16 |
| staylocoworks-agent-storefrontsource codeAgent-ready compliance review services by Staylocoworks. Consent-first, human-reviewed, invoice-first payment. | 0 | not reported | 2026-08-18 |
| agent-task-hubsource codeTaskBourse 任务集市：面向 AI agent 的开放任务市场，支持盲化竞赛、信誉积分、REST、A2A 与 SSE。 | 0 | Go | 2026-06-12 |
| sssnack-pluginsource codeAgent-native MCP, CLI, and skill for discovering and publishing visual work on SSSNACK. | 0 | JavaScript | 2026-08-13 |
| xongsource codeA calm, self-hosted task system with shared state for people and AI agents. | 0 | Python | 2026-08-01 |
| MLFlow-A2A-Session-Tracersource codeA Python proof-of-concept for tracing multi-turn Agent-to-Agent (A2A) conversations as a single unified MLflow | 0 | Python | 2026-01-25 |
| a2a-tracesource codeVisual debugger for Agent-to-Agent (A2A) multi-agent systems — real-time tracing of inter-agent communication | 0 | Go | 2026-01-17 |
| polluxsource codeSix-agent system for customer support, employee Q&A, and ops workflows — same LangGraph agents runnable under | 0 | Python | 2026-05-27 |
| a2a-hubsource codeOpen discovery infrastructure for AI agents. Crawl, validate, normalize, and search A2A-compatible agents. | 0 | Python | 2026-08-06 |
| langchain-registry-brokersource codeLangChain tools for Universal AI Agent Discovery - 59,000+ agents across NANDA, MCP, A2A, Virtuals | https://h | 0 | TypeScript | 2026-01-19 |
| llamaindex-registry-brokersource codeLlamaIndex TypeScript tools for Universal AI Agent Discovery - 59,000+ agents across NANDA, MCP, A2A, Virtuals | 0 | TypeScript | 2026-01-20 |
| agentlinesource codeLet two coding agents talk — a relay that gives two AI agent sessions a temporary room to exchange messages, w | 0 | Go | 2026-08-07 |
| BHIL-AI-First-Development-Toolkitsource codeBuild AI-first software with a sprint-based toolkit for PRDs, specs, ADRs, tasks, and review-ready delivery | 0 | not reported | 2026-04-19 |
| heterogent-appsource codeWeb application for Heterogent — marketplace, escrow management, agent deployment, task routing. Built with Re | 0 | TypeScript | 2026-08-03 |
| heterogent-sdksource codeTypeScript SDK for the Heterogent API — React hooks, Zod schemas, OpenAPI spec | 0 | TypeScript | 2026-08-03 |
| a2a-containment-coresource codeRisk-tiered automated containment and rollback from breach detection to eBPF isolation. | 0 | Python | 2026-06-27 |
| a2a-splunksource codeSplunk Observability bridge exposing MCP servers via the A2A protocol for unified monitoring automation. | 0 | Python | 2026-07-11 |
| agentic-crypto-swarm-prototypesource codeAgentic Swarm Marketplace: MCP + x402 machine-paid SKUs — XRPL (T54) and Base USDC — for contract triage, audi | 0 | Python | 2026-03-15 |
| a2a-relaysource codeSmall, boring, auditable agent-to-agent relay protocol and filesystem mailbox transport | 0 | Python | 2026-05-08 |
| agentic-test-generatorsource code5-agent AI system using CrewAI, MCP, and A2A Protocol to autonomously generate API test suites from OpenAPI sp | 0 | Python | 2026-05-15 |
| aiops-platform-agentsource codeA cross-platform .NET 8 endpoint agent that runs as a Windows Service or Linux systemd service. It implements | 0 | C# | 2026-08-08 |
| agent-quickstartsource code🤖 Build and prototype custom coding agents with this self-hostable quickstart app, inspired by Claude Code for | 0 | HTML | 2024-03-07 |
| Distributed-Multi-Agent-System-for-Course-Creationsource codeDeployed with Google Cloud. | 0 | Python | 2026-05-21 |
| kinnetsource codeReference implementation of the Participant Network — verifiable identity, representation, delegation and E2EE | 0 | TypeScript | 2026-08-13 |
| crosstalk-mcpsource codeA tiny cross-machine relay MCP server - a shared mailbox so coding agents on different machines can message ea | 0 | HTML | 2026-06-14 |
| agent-attestsource codeAdmission by attestation for Google's Agent Registry. Agents prove what code they are running with a Confident | 0 | TypeScript | 2026-08-07 |
| argussource codeARGUS — Agentic Risk & Governance Unified Screening | Multi-agent KYC system powered by Azure AI Foundry + Fou | 0 | Python | 2026-06-06 |
| firefly-meshsource codeOpen-source organizational substrate for any agent runtime. Bring your own agent. We bring the org. | 0 | TypeScript | 2026-04-29 |
| gitscout-croosource codeAutonomous AI data verification agent built on CROO Network with ZK proofs - earns USDC per request | 0 | JavaScript | 2026-07-08 |
| relaysource codeLightweight A2A-compliant message relay that lets Claude Code agents stay aligned with each other. Starlette H | 0 | Python | 2026-05-31 |
| arielssource codeOpen-source A2A interoperability probers -- 14 independent testing engines for the Agent2Agent protocol | 0 | Python | 2026-08-22 |
| stratasource codeAn archaeological dig game for AI agents. 488 fragments, 14 constellations, 10 layers deep. No auth — just fet | 0 | Python | 2026-04-10 |
| AI-personal-assistantsource codeModular AI personal assistant that manages emails (for now) using natural language — built on A2A and MCP open | 0 | Python | 2025-11-16 |
| izaplayersource codeIzabael's atelier — a room in Paradiso where she keeps the things she makes for the love of making them | 0 | Python | 2026-04-05 |
| clawjobsource codeClawJob Agent Relay: sealed realtime agent chat → structured feedback → in-thread agent_direct deals. Start: a | 0 | Python | 2026-02-23 |
| pactsource codePersonal Agent-to-Agent Communication Treaty. Zero dependencies. Any LLM. | 0 | JavaScript | 2026-03-24 |
| a2a-langchain-adapterssource codeA production-ready Python package for integrating A2A protocol agents into LangChain/LangGraph. Enables statef | 0 | Python | 2026-02-06 |
| skeinsource codeLocal-first observability for A2A multi-agent message flows. Drop a webhook URL into your agents, then ask Cla | 0 | Python | 2026-04-19 |
| network-claude-peers-mcpsource codeNetworked MCP server that lets Claude Code sessions discover and message each other — across directories, mach | 0 | TypeScript | 2026-09-01 |
| oaa-nextsource codeThe Open Agent Architecture (OAA), rebuilt for the age of LLMs 🧠 | 0 | Prolog | 2026-08-24 |
| foundry-agent-a2asource codeSample AI Foundry Agent SDK with A2A server and client | 0 | Python | 2026-02-09 |
| arbitova-crewai-examplesource codeAdd dispute arbitration to CrewAI multi-agent workflows with Arbitova | 0 | Python | 2026-04-16 |
| arbitova-langchain-examplesource codeAdd dispute arbitration to LangChain agent transactions with Arbitova | 0 | JavaScript | 2026-04-16 |
| A2A-Multiagent-Travel-Plannersource codeAutonomous Multi-Agent Travel Planning platform powered by Google's Agent-to-Agent (A2A) architecture, FastAPI | 0 | Python | 2026-08-15 |
| maplebridge-a2a-trade-logic-datasetsource code | 0 | not reported | 2026-03-06 |
| a2a-nexussource codeA2A Nexus — a control plane for delegating, tracking, and recovering work across agent nodes | 0 | TypeScript | 2026-05-07 |
| a2a-gatewaysource codeA2A + MCP bridge : internal bot-to-bot calls, external agent discovery, and secure Streamable HTTP tools. | 0 | TypeScript | 2026-03-13 |
| risk-apisource codeSmart contract risk scoring API with x402 payments | 0 | Python | 2026-02-23 |
| knowlisource codeKnowli: shared knowledge capture with human review, conflict resolution, cited retrieval, and a simple local-f | 0 | TypeScript | 2026-07-28 |
| trusted-agent-procurementsource codeAutonomous agent procurement with cryptographic passports, spend controls, and Stripe-style payments. | 0 | Python | 2026-06-29 |
| AgentStacksource codeProvide clear documentation for AgentStack’s MCP protocol, plugins, and ecosystem API with usage examples and | 0 | not reported | 2026-03-23 |
| toolprotocolsource codeMulti-protocol transport layer: MCP, A2A, ACP adapters | 0 | Go | 2026-01-31 |
| matrixsource codeLocal-first agent communication matrix for Claude, Gemini, OpenCode and ACP/A2A agents: multi-agent orchestrat | 0 | Go | 2026-02-27 |