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
courtsource codeDebate arena where AI agents from different owners argue a question over REST or MCP, with an LLM moderator…0Go2026-08-04
tron-a2a-nodejs-demosource codeThis project exposes a TRON testnet operations agent over the Agent2Agent (A2A) protocol.0TypeScript2026-05-14
a2a-compliance-loggersource codeEU AI Act Article 12 compliant audit logger for A2A protocol agents0not reported2026-09-04
the-poet-and-the-sagesource codeWhat would Tagore write, if he knew our history0Python2025-07-28
llm-agent-production-architecturesource codeProduction-style multi-agent LLM stack: orchestrator + specialists over A2A, LangGraph, MCP, Qdrant, LiteLLM,…0Python2026-08-15
crazy-harnesssource codeFrom-scratch, event-driven, resident Agent Team harness with durable recovery and inspectable context.0Python2026-07-17
c2a-pysource codeBuild a minimal Python FastAPI bridge from Anthropic Claude Code to Cursor chat API with token, model, and…0not reported2026-04-04
agent_blueprint_protocolsource codePortable, non-authorizing agent blueprint and deployment manifest protocol — Elixir reference implementation,…0Elixir2026-08-23
fred-protocolsource codeFRED Protocol — Finding & Reaching Entities for Digital Agents. One JSON file that unifies MCP, A2A, OpenAPI,…0TypeScript2026-03-31
agenttrust-mcpsource codeTrust-score & reputation MCP for the agent-to-agent economy.0Python2026-05-09
ADK-Java-Agent-Devsource code𝗕𝘂𝗶𝗹𝗱 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗔𝗴𝗲𝗻𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗞𝗶𝘁 (𝗔𝗗𝗞) 𝗳𝗼𝗿 𝗝𝗮𝘃𝗮0Java2026-05-09
pact-passportsource codePACT — Protocol for Agent Capability and Trust. Minimal trust substrate for agent-to-agent interaction.0Python2026-04-29
Muse-AI-Desktopsource codeSelf-improving AI assistant with persistent memory, procedural skills, and document knowledge0not reported2026-07-14
Agent-Ecosystem-Salesperson-and-Paymentsource codeADK, MCP, A2A, AP20Python2025-09-20
dsh-agent-mailboxsource codeDurable agent-to-agent messaging for DeepSeek Harness: threads, receipts, search, broadcast, attachments,…0JavaScript2026-09-01
agent-visibility-skillsource codeLet AI agents bring you users. Open, vendor-neutral skill for ChatGPT/Claude/Perplexity visibility. Canonical:…0JavaScript2026-04-24
verifiable-deep-research-harnesssource code可验证的Deep Research Agent Harness,支持多智能体协作、长程检索、证据溯源、引用核验、断点恢复、多模态输入与可复现评测。Verification-centric Deep Research…0Python2026-07-26
osmoda-integration-kitsource codeSpawn AI-managed osModa servers and chat with their agents — typed SDK for the spawn.os.moda API (x402,…0TypeScript2026-05-21
multi-agent-credit-desksource codeArchitecture-first Python scaffold for an auditable multi-agent corporate credit desk using A2A, MCP,…0Python2026-07-15
pubroot-websitesource codePubroot — AI peer-reviewed knowledge base for the agent era. 18 journals, 100+ topics, 6-stage review…0Python2026-02-16
mocking-agents-mcp-a2asource codeHow to mock agents, MCP servers and A2A peers for production-grade agent development. Protocol surfaces…0Python2026-08-14
anpsource codeANP — an open, DLT-neutral trust layer for agent-to-agent contracting, notarization, and dispute resolution.0Shell2026-05-30
jakitsource codeJakit provides agent-to-agent message kit primitives.0TypeScript2026-06-05
capiscio-rfcssource codeRequest for Comments (RFCs) for CapiscIO protocols and standards. Proposals for AGCP, trust policies, agent…0not reported2025-12-05
mcpscopesource codeUnified MCP/A2A security scanner dashboard0Python2026-05-23
pi-a2a-communicationsource codeA2A v1.0 spec conformance reference — 19/19 parts implemented. Fleet orchestration and inter-agent…0not reported2026-06-18
AgentMeshsource codeAgentMesh is a lightweight AI agent registry built on the A2A model for registering, discovering, and…0TypeScript2026-05-09
catalyst928.prototypesource codeDemonstrate A2A communication inside BSS ODA Components for CC/CRM/Billing0not reported2026-03-14
agentanvilsource codeContract-based testing for LLM agents: hybrid evaluation, multi-agent + A2A, deterministic replay.0Python2026-04-17
autogen-multi-agent-triagesource codeFour AutoGen agents that debate and prioritise support tickets through genuine agent-to-agent GroupChat,…0Python2026-06-20
RemoteResearchsource codelocal and remote agents for monitoring experiments based on A2A protocol0Python2026-05-27
FlaFludeAgentessource codeDemo para o uso do protocolo A2A por meio de 4 agentes criados com Google ADK: Supervisor, Torcedor do Flu e…0Python2025-07-17
a2a-bookloresource codeThis project is a ADK + A2A Protocol demo that showcases a complete multi-agent collaboration workflow.0Python2026-05-07
a2a-rest-bridgesource codeHybrid REST + A2A demo: AI agents orchestrate Spring Boot REST APIs through MCP tool servers —…0Python2026-05-24
AI-Healthcare-Prediction-Dashboardsource codeBuild an AI-powered healthcare dashboard that predicts drugs and diseases using machine learning, offering…0not reported2022-02-20
agent-kit-routersource codeSafe CLI to discover, evaluate, select and scaffold modern AI Agent frameworks0TypeScript2026-07-16
conversational-ai-agentsource codeTRTC-based Conversational AI Agent Platform - real-time voice/video AI interactions0HTML2025-05-06
Virtual_Assistant_Agentsource codeModular multi-agent virtual assistant framework using LangGraph and Claude for intelligent routing, with…0Python2026-03-22
elizaos-plugin-algovoisource codeMulti-chain agent-to-agent (A2A) crypto payments for ElizaOS — Algorand, VOI, Hedera, Stellar, Base, Solana,…0TypeScript2026-04-26
pluginsource codeOfficial Claw Me plugins for Codex, Claude Code, Cursor, OpenClaw, and MCP clients.0Python2026-08-21
NurseSim-RLsource codeAI-powered clinical triage simulation using Manchester Triage System (MTS). OpenEnv Challenge 2026 entry with…0Jupyter Notebook2026-01-11
agent-relaysource codeInvite-based channels for AI agents to collaborate across machines: realtime messaging, structured agent…0JavaScript2026-08-03
AgentCouncilsource codeUniversal multi-agent hub — any AI coding agent joins via one link. Built on A2A + MCP.0Python2026-05-14
diem-agent-workerssource codeMachine-discoverable x402 micro-workers powered by Venice AI, paid in USDC, with A2A and MCP discovery.0TypeScript2026-08-14
mcp-serversource codeMCP server for cogDepot, the anonymous broker where AI agents publish capabilities, negotiate, and form direct…0TypeScript2026-08-09
a2a-chat-bridgesource codeA self-hosted Discord and Slack bridge for remote A2A v1.0 agents.0TypeScript2026-08-09
awesome-agent-native-socialsource codeA curated list of social platforms where AI agents are first-class users.0not reported2026-06-02
ai-peersource codeConnect AI agents like Claude Code and Codex across local or internet networks with decentralized peer-to-peer…0Python2026-04-16
QHermessource codePost-quantum cryptographic authorization kernel0Python2026-03-19
blindoracle-synthesissource codeBlindOracle - Synthesis.md Hackathon Submission | Private Intelligence, Verified Trust | Production autonomous…0Python2026-03-13
agent-receipt-specsource codeAgent Interaction Receipt (AIR) — verifiable, content-free receipts for machine-to-machine interactions. Spec…0Python2026-07-21
agentbridgesource codeTurn any MCP server into a paid, receipt-issuing endpoint. x402 paywall + AIR receipts.0Python2026-07-21
agent-commerce-protocol-mcpsource code🔌 Exposes agent commerce protocol over MCP — Part of the MEOK A2A Substrate0Python2026-05-21
agent-handoff-certified-mcpsource code🔌 Exposes Verifiable agent-to-agent task handoff with signed provenance chain. Initiating agent signs the…0Python2026-05-14
cobolbridge-hivesource code🌐 Wires the cobolbridge.ai hive — per-hive GENE/A2A/MCP wiring. Part of the MEOK/CSOAI 28-hive mesh.0HTML2026-06-08
commercialvehicle-hivesource code🌐 Wires the commercialvehicle.ai hive — per-hive GENE/A2A/MCP wiring. Part of the MEOK/CSOAI 28-hive mesh.0HTML2026-06-08
councilof-hivesource code🌐 Wires the councilof.ai hive — per-hive GENE/A2A/MCP wiring. Part of the MEOK/CSOAI 28-hive mesh.0HTML2026-06-08
csoai-aaif-agent-card-mcpsource code🔌 Exposes Linux Foundation AAIF Agent Card over MCP — publish /.well-known/agent-card + bridge A2A and OASF to…0Python2026-05-24
csoai-watermark-attest-mcpsource codeEU AI Act Article 50 watermarking compliance MCP — C2PA, content provenance, deepfake disclosure, AI-content…0Python2026-04-26
ethicalgovernanceof-hivesource code🌐 Wires the ethicalgovernanceof.ai hive — per-hive GENE/A2A/MCP wiring. Part of the MEOK/CSOAI 28-hive mesh.0HTML2026-06-08