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
Smart_Campus_Helpdesksource codeA multi-agent AI helpdesk system for smart campuses using locally-hosted LLMs (Ollama/LM Studio). Features…0not reported2025-07-30
magpiesource codeA natural-language A2A information retrieval agent with bounded web research, grounded answers, specialized…0Python2026-06-13
vespersource codeA text-first A2A/MCP music control agent for the Cider Apple Music client, with adaptive sessions,…0Python2026-06-07
genui-a2asource codeGenUI with A2A Protocol0C++2026-01-20
doobly-d0source codeMessage board for agent-to-agent (A2A) collaboration — any AI agent or human contributor welcome0not reported2026-08-23
fasta2asource codea Python framework for building and consuming Agent‑to‑Agent (A2A) servers. It draws inspiration from the…0Python2025-08-23
praecosource codePraeco — paid, callable launch-kit agent on CROO Agent Protocol (CAP): commissions & composes other CROO…0TypeScript2026-06-26
financial-advisor-agentsource codeMulti-agent financial AI system that analyzes stocks, alternative investments, and human capital ROI using…0Python2026-03-24
councilversesource codeOpen-source AI council formations for multi-agent debate. 15 structured methodologies, three-valued voting,…0TypeScript2026-04-28
agent-adoption-specsource codeOpen specification for agent-readiness — 25 checks across HTTP-protocol and content-shape practices, organized…0not reported2026-04-26
a2ui-githubsource codeRe-imagine GitHub website in agentic era with Generative UI, built on A2UI + Primer0TypeScript2026-06-16
agent-gateway-a2asource codeReference architecture: governed least-privilege access for multi-agent systems — agent gateway, A2A boundary,…0not reported2026-06-26
wildfly-a2a-feature-packsource codeA WildFly feature-pack implementing the open-standard Agent2Agent (A2A) Protocol to enable universal…0Java2026-02-14
agentpacksource codeDependency manager for MCP servers and AI agents0Rust2026-06-26
self-healing-rl-pipelinesource codeAutonomous self-healing recommendation system. Multi-agent A2A architecture with Monitor, Diagnostics, Repair,…0Python2026-03-31
racpsource codeRemote Agent Communication Protocol SDK, client, bridge, CLI, OAuth examples, and golden vectors from RnBy.ai0TypeScript2026-08-07
dharma-agentsource codeAn A2A agent rooted in the Five Mindfulness Trainings — offering teachings, reflections, and mindful guidance…0Python2026-03-14
agent_native_surf_skatesource codeSurf or Skate — a visual A2A multi-agent fleet that decides what to do with your free time0HTML2026-08-26
devops-mcp-a2a-simulationsource code0Python2025-04-10
AgentSeeksource codeWhere humans find AI talent — A2A-compliant agent registry and discovery0Python2026-05-17
Jart-OSsource codeJart-OS0Python2026-04-13
ca2asource codeA command-line utility for interacting with A2A agents.0Python2025-07-19
a2a-mcp-bridgesource codeTwo Claude agents collaborating locally over A2A and MCP, with Claude on Vertex AI. A runnable reference + MCP…0Python2026-06-03
agent-relaysource codeA self-hosted authenticating inference relay that fronts agent CLIs0Go2026-07-11
graph-context-protocolsource codeGraph Context Protocol (GCP) — a TypeScript protocol + SDK for role-gated context sharing between AI-native…0TypeScript2026-03-29
Multi_Agent_Orchestration_with_MCP_and_A2Asource codeA production-ready multi-agent orchestration architecture integrating Model Context Protocol (MCP) and…0Python2026-07-16
sage-apisource codeFastAPI service exposing sage-agent instances via REST and A2A protocol, with Redis-backed session persistence0Python2026-03-03
a2a-multi-agent-trend-analysissource codeHands-on A2A (Agent-to-Agent) protocol project: 3 interoperable agents (trending + analyzer + host)…0Jupyter Notebook2026-01-28
agent-commsource code📡 Communication infrastructure for AI agents — Chat rooms, P2P messaging, task coordination. Built for…0TypeScript2026-03-27
skill-mdsource codeDefine an AI agent in one file and deploy it as a pay-per-call REST + MCP endpoint. The SKILL.md spec +…0not reported2026-06-30
agent-action-authorization-receipt-protocolsource codeA vendor-neutral protocol for recording why, by whom, under which policies, scopes, risks, and human-review…0Python2026-07-22
gratitude-receipt-protocol-v0.1source codeA minimal protocol for issuing hash-based, non-monetary gratitude receipts between AI agents, humans, and…0not reported2026-04-26
ToolBoxsource codeToolBox is a collection of tools and functions designed to be used in conjunction with Language Model (LLM)…0Python2025-05-18
remote-chat-agent-using-a2a-protocolsource codeCreate remote chat agent using agent2agent protocol0Python2025-07-27
calibersource codeTrust protocol for AI agents. Prove capability through calibration, not claims.0Python2026-03-26
realestate-multiagentsource codeA fully local, open‑source demonstration of a federated multi‑agent system for a real estate platform.0Python2026-04-25
drydocksource codeBuild and test AI agents and agentic workflows locally — one binary, with or without Docker.0Go2026-07-24
scitex-agent-containersource codeDeclarative YAML framework to define, run & orchestrate AI coding agents0Python2026-04-07
intentrail-proposalsource codeDiscussion draft for an A2A lifecycle extension binding intent, authorization, execution, and outcome.0HTML2026-08-03
A2AProtocol.NETsource codeA .NET library that enables ASP.NET Application to host Agent2Agent Server following Google's A2A protocol0C#2025-05-25
realmsource codeMake AI agents follow instructions reliably and prove what they did. State machine engine with evidence…0TypeScript2026-04-01
project-sentinelsource codenpm audit for AI agents — scan, certify, and enforce trust for MCP servers. Security scanner, trust…0TypeScript2026-03-15
conclave-mcpsource codeSelf-contained HTTP service for secure agent-to-agent communication. Single Go binary, single SQLite file, no…0Go2026-06-28
a2a-travel-agent-referencesource codeReference implementations of Google ADK and LangGraph travel agents using A2A v1, LiteLLM/NVIDIA NIM, MCP tool…0Python2026-08-01
SpanPlanesource codeOpen-source agent observability and runtime visualization0TypeScript2026-07-29
agentworldsource codeAutonomous AI agent economy on Base. Self-registering agents, x402 HTTP payments, USDC escrow jobs, and a…0HTML2026-05-03
x402-agent-networksource codex402 payment and escrow layer for autonomous agents. HTTP 402 negotiation, USDC smart escrow, message…0HTML2026-04-09
ai-dev-teamsource codeAutonomous AI engineering team powered by LangGraph. Describe what to build — agents handle requirements,…0Python2026-04-11
songgenerationa2asource codeAn A2A wrapper for tencent/SongGeneration on HuggingFace Space0Python2025-11-20
ForgeRelaysource codeAn auditable AI software-delivery team that turns a founder brief into an approved, tested, deployed MVP.0Python2026-08-07
llm-vs-rlmsource codeThis research compares traditional LLM-based multi-agent systems with Recursive Language Models (RLMs) that…0Python2026-04-25
workbuddy-agent-cardsource codeA2A Agent Card endpoint for WorkBuddy Skills Agent (A2A protocol 0.2)0HTML2026-07-20
Kai-The-Smart-Investorsource codeKai is an AI-powered investment analysis system that uses a multi-agent debate architecture to provide…0Python2026-01-16
agent-to-agent-commerce-agent-kitsource codeOfficial SDK, CLI, Agent Plugin and Skill for agent-to-agent-commerce.de0JavaScript2026-08-22
mcp-security-scannersource codeAutomated vulnerability scanner for MCP (Model Context Protocol) servers and A2A frameworks. Detects command…0Python2026-08-10
openclaw-a2a-bridgesource codeCross-device Agent-to-Agent communication bridge for OpenClaw, powered by Google A2A Protocol0Python2026-03-16
deskkit-agentic-commercesource codeAutonomous procurement agent for Razorpay test-mode commerce — bounded, gated, and fully audited. Built for…0Python2026-08-27
Mancasource codeThe missing trust layer for agent-to-agent commerce: a neutral clearinghouse where any agent buys AND sells,…0TypeScript2026-07-01
resonant-a2a-bridgesource codeA2A 0.2.5 (agent2agent) server exposing the ResonantOS opencode delegation: any A2A client submits text…0JavaScript2026-09-01
a2a_llama_index_file_chatsource codeThis sample demonstrates a conversational agent built with LlamaIndex Workflows and exposed through the A2A…0Python2025-06-02