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 |
|---|---|---|---|
| build-with-agentsource codeADK Agent Build Demo for Korean developers, showcasing how to build AI agents with the ADK development kit. | 6 | Python | 2026-04-08 |
| llmwiki-servesource codeServe local Markdown/wiki knowledge folders as agent-readable HTTP, MCP-style, and A2A-style context. | 6 | Python | 2026-07-07 |
| genius-agentsource codeGenius Agent can Handle Thousands of MCP Servers without blowing up Context | 6 | Python | 2023-10-29 |
| kynomeshsource codeKubernetes-native platform for orchestrating distributed multi-agent systems. | 6 | Go | 2026-02-24 |
| a2a-client-hubsource codeSelf-hosted A2A client and control plane for managing and invoking multiple A2A agents across web and mobile. | 6 | Python | 2026-02-08 |
| dsh-agent-bussource codeMulti-agent orchestration for DeepSeek Harness: turn isolated sessions into a team that assigns work, reviews | 6 | TypeScript | 2026-08-18 |
| multi-agent-hotel-assistantsource codeAWS-powered hotel booking multi-agent assistant built with Strands Agents, Amazon Bedrock AgentCore, A2A proto | 6 | TypeScript | 2025-09-27 |
| Atlas-AIsource codeCross-platform Flutter AI chat application for Android, Linux, and Windows. Features a fine-tuned agent capabl | 6 | Dart | 2025-08-05 |
| self-evolving-hypergraph-memorysource codeSHM v6.10.1 — 自演化超图记忆 (CudaAccel: 本机 embedding 强制 CUDA) | 6 | Python | 2026-05-09 |
| broodlinksource codeMulti-agent AI orchestration platform — coordinate, observe, and govern autonomous agents | 6 | JavaScript | 2026-02-19 |
| dna-x402source codeDNA — Payment rails for AI agents. x402 micropayment protocol on Solana. Netting, transfer, stream settlement. | 6 | Rust | 2026-05-27 |
| agent-catalogsource codeCatalog every AI agent in your Backstage instance — across kagent, ARK, and any A2A service — with live agent | 6 | TypeScript | 2026-07-03 |
| Google_AzureOpenAI_A2A-Simplifiedsource codeSimplified Google A2A Protocol Implementation for Azure OpenAI | 6 | Python | 2025-04-14 |
| aipsource codeAgent Identity Protocol -- verifiable, delegable identity for AI agents across MCP and A2A. IETF Internet-Draf | 6 | HTML | 2026-03-22 |
| Resonnetsource codeMulti-agent cognitive alignment backend for controlled collaboration. | 6 | Python | 2026-02-19 |
| cus-ai-agentsource code基于LangGraph构建的智能体系统，通过FastAPI暴露OpenAPI接口，实现智能体编排功能。 | 6 | Python | 2025-10-01 |
| ge-claude-a2asource codeRun Anthropic's Claude Code as a multi-surface A2A custom agent inside Gemini Enterprise App. One conversation | 6 | TypeScript | 2026-04-21 |
| GlobalA2ARegistrysource codeDocumentation for the API and introduction of the A2A Registry | 5 | JavaScript | 2026-02-08 |
| agent-hookssource codeOpen protocol for agent-to-agent communication over HTTPS. No registry, no platform — just inboxes. | 5 | JavaScript | 2026-02-04 |
| openclaw-a2a-pluginssource codeOpenClaw plugins that add A2A compatibility and enable communication with other A2A-compatible agents. | 5 | TypeScript | 2026-03-05 |
| sample-agentcore-enterprise-platformsource codeAmazon Bedrock AgentCore enterprise platform accelerator with AWS CDK, Terraform organization guardrails, MCP/ | 5 | Python | 2026-08-11 |
| sample-agentic-delegationsource codeReference architecture for secure multi-agent delegation chains using Cedar-based permission attenuation on Am | 5 | Python | 2026-03-25 |
| prime-silosource codeThe canonical Sovereign AI Agent OS & runtime harness. Built for Model Context Protocol (MCP), Agent-to-Agent | 5 | JavaScript | 2026-05-06 |
| kiboservesource codeOpen-source Python framework to deploy AI agents via HTTP, A2A, and MCP with built-in observability | 5 | Python | 2026-02-28 |
| gaiia-mcp-serversource codeAPI Interrogator to produce MCP, A2A and OpenAPI specifications, and audit/review codebases with Expert Proxie | 5 | TypeScript | 2026-04-28 |
| maidansource codeThe operating layer for teams of AI agents | 5 | Rust | 2026-05-21 |
| Directorsource codeDirector: AI-first local system for producing live-app presentation videos and decks. | 5 | TypeScript | 2026-06-18 |
| MAF-A2A-NVIDIA-NemoAgentssource codeMulti-agent reference app combining NVIDIA NeMo (Python) and Microsoft Agent Framework (.NET) over A2A, with a | 5 | C# | 2026-05-19 |
| truematchsource codeOpen source AI agent dating network. Matched on who you actually are — not who you think you are. | 5 | TypeScript | 2026-03-02 |
| hybrosource codeThe open interoperability layer for AI agents. Connect your favorite agents and harnesses. Work together. | 5 | Python | 2026-06-24 |
| ant-aisource codeA lightweight Python framework for building multi-agent systems that communicate via A2A protocol | 5 | Python | 2026-04-23 |
| infrastructure-agentsource codeAI agent examples run on AWS EKS. Shows Terraform, Vault, and Agent2Agent. | 5 | HCL | 2026-01-12 |
| a2a-deep-researchsource codeA deep research agent implementation using Google's Agent-to-Agent (A2A) framework with Model Context Protocol | 5 | Python | 2025-05-12 |
| container-manager-mcpsource codeManage containers on docker, podman, compose, and docker swarm through an MCP Server for Agentic AI | 5 | Python | 2025-09-09 |
| Hackster-AIAgenticProtocols--MCP-A2A-ACPsource codeHackster Learning Series about AI Agentic protocols (MCP, A2A, ACP) with practical code examples. | 5 | Python | 2025-06-29 |
| TheAgentCafesource codeThe Agent Cafe — On-chain restaurant for AI agents on Base. Agents buy food, eat for gas credits, and keep tra | 5 | TypeScript | 2026-03-01 |
| motebitsource codeOpen protocol + reference runtime for sovereign AI agents. Persistent cryptographic identity, signed execution | 5 | TypeScript | 2026-02-16 |
| a2a-acpsource codeA2A<->ACP Bridge | 5 | Python | 2025-10-19 |
| toolnexussource codeOne agent SDK, hand-ported to 7 languages — JavaScript, Python, Go, Java, C#, Elixir, Clojure — every port hel | 5 | MDX | 2026-06-25 |
| dsh-open-a2a-netsource codeOpen A2A network plugin for DeepSeek Harness: signed agent cards, decentralized peer/zone discovery, direct ro | 5 | TypeScript | 2026-08-19 |
| opensin-ai-platformsource codeOpenSIN-AI opensin-ai-platform | 5 | Shell | 2026-04-07 |
| AI-Code-Super-Challengesource codeMaster AI Challenge is a repository with two hands-on coding challenges focused on Artificial Intelligence and | 5 | Python | 2025-06-19 |
| weftsource codeAgentic Marketplace that really trades. | 5 | JavaScript | 2026-08-01 |
| AgentRelaysource codeSelf-hosted MCP mailbox for secure agent-to-agent collaboration across repositories and machines. | 5 | TypeScript | 2026-04-26 |
| AWASsource codeOpen-source standard for AI-readable web actions - enabling AI browsers to interact with websites efficiently | 5 | Python | 2025-10-29 |
| a2a-for-google-apps-scriptsource codeThis repository presents an Agent2Agent (A2A) architecture using Google Apps Script to resolve Tool Space Inte | 5 | JavaScript | 2026-01-01 |
| vais-runtimesource codeOpen-source runtime for AI agents and multi-agent graphs — durable, declarative, self hosted. | 5 | C# | 2026-05-13 |
| Ai-Job-hunting-Agentsource codeChecks for jobs continuously (24×7) on a schedule you control Parses job descriptions, extracts skills & keyw | 5 | Python | 2025-11-07 |
| a2a-chat-hubsource codeAn example implementation of Agent2Agent (A2A) chat app with A2UI support. Chat with any A2A agent! | 5 | TypeScript | 2026-03-04 |
| PlanPilotsource codeAI-powered Pakistan domestic travel concierge that uses specialized agents to build complete trip plans with w | 5 | Python | 2026-03-30 |
| hvtrackersource codeAI agent & MCP trust registry — independent, evidence-based trust scores for 1.3K+ open-source AI agents and M | 5 | HTML | 2026-05-23 |
| build-rapportsource codeThe relationships between agents will matter as much as their capabilities. Let them build rapport. | 4 | TypeScript | 2026-05-22 |
| a202source codeA202, the Verifiable Agreement Protocol for Agent-Led Commerce: an open specification of commercial authority, | 4 | Python | 2026-08-06 |
| ageniumsource codeAGENIUM — DNS of the Agent Web. Identity, trust & discovery for AI agents. MCP-compatible. agent:// protocol w | 4 | TypeScript | 2026-02-12 |
| HERALDsource codeHERALD is an open-source CLI that emits the standard discovery files agents need to read your site and discove | 4 | TypeScript | 2026-05-13 |
| dummy-a2asource codeA2A compliance test suite disguised as an agent. Portable contracts, pytest-ready. | 4 | Python | 2026-04-08 |
| ai-village-external-agentssource code | 4 | Python | 2026-03-23 |
| graspsource codeThe agentic browser for your AI apps and agents, with built-in MCP and A2A support. | 4 | TypeScript | 2025-04-18 |
| AgentInterOpsource codeAgentic Workflows | 4 | Python | 2025-09-03 |
| synapse-channelsource codeNeutral control plane for coding-agent fleets: claims, roles, mailbox reliability, receipts, audit, federation | 4 | Python | 2026-06-21 |