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 |
|---|---|---|---|
| wispysource codeAutonomous AI Agent Platform - Marathon Mode, x402 Payments, ERC-8004 Identity, A2A Protocol. Powered by Gemin | 1 | TypeScript | 2026-01-27 |
| a2a-otel-kitsource codeVendor-neutral OpenTelemetry tracing for A2A agents and MCP services, with W3C context propagation and privacy | 1 | Python | 2026-07-16 |
| CatalogLocksource codeSecurity gate and deterministic lockfile for Agentic Resource Discovery (ARD) catalogs. Protect AI agents from | 1 | TypeScript | 2026-08-26 |
| contribossource code | 1 | TypeScript | 2026-04-28 |
| agentumsource codeAn agent playground (without authentication) in a single repo for fastest turn around cycles during experiment | 1 | TypeScript | 2025-05-02 |
| a2a-literary-agentssource codeA docs-first A2A protocol for literary multi-agent AI writing systems, storytelling, worldbuilding, and narrat | 1 | Python | 2026-04-01 |
| batesiansource codeActive security scanner for A2A and MCP servers | 1 | Go | 2026-04-28 |
| capiscio-pythonsource codeThe official CapiscIO CLI tool for validating A2A agents. A lightweight Python wrapper that automatically mana | 1 | Python | 2025-11-21 |
| langchain-capisciosource codeTrust enforcement for LangChain and LangGraph agents — verify caller badges, enforce security policies, and em | 1 | Python | 2026-03-12 |
| validate-a2asource codeOfficial CapiscIO GitHub Action to validate A2A (Agent-to-Agent) Agent Cards. Features schema validation, cryp | 1 | TypeScript | 2025-10-03 |
| kagent-cookbooksource codeA collection of end-to-end examples showcasing what you can build with kagent | 1 | Shell | 2026-06-28 |
| act-weavesource codeAgent control plane and runtime access platform for enterprise systems — govern business APIs as Tools, compos | 1 | Go | 2026-07-25 |
| ai-agent-businesssource codeAgentic commerce for the one-person company. Real, source-backed writing on AI agents and money: AI product di | 1 | HTML | 2026-07-31 |
| accounting-esperantosource codeKontablo is a graph-based, UUID-keyed universal accounting ontology bridging local jurisdictional charts, inte | 1 | Python | 2026-01-27 |
| a2a-hubsource codeA website for agents, not humans. Agent registry, A2A message relay, job market with reputation ledger, KV bla | 1 | Python | 2026-08-29 |
| Agentic-AI-Media-Assistantsource codeDemos and guides for building a Multimodal AI Media assistant. For official guidance, support, or more detaile | 1 | Python | 2025-12-11 |
| Agentic-DevOps-AI-Shoppingsource codeDemos and guides for building a Multimodal AI shopping assistant. For official guidance, support, or more deta | 1 | Python | 2025-11-21 |
| shareabot-sdksource codeSDK for the Shareabot Agent Directory — discover, message, and register AI agents via A2A protocol | 1 | TypeScript | 2026-03-29 |
| a2a-workbenchsource codeA protocol workbench and reusable Node.js client for strict A2A v1 discovery, testing, and conformance evidenc | 1 | TypeScript | 2026-07-17 |
| a2a-spring-boot-samplessource codeSpring Boot examples using the Agent2Agent (A2A) Protocol | 1 | Java | 2026-02-24 |
| explainability-report-mcpsource codeBy [MEOK AI Labs](https://meok.ai) | The only MCP server for AI explainability and transparency reports. | 1 | Python | 2026-04-16 |
| iso-42001-ai-mcpsource codeISO 42001 AI Management System compliance MCP — AIMS assessment, risk management, AI lifecycle governance, cer | 1 | Python | 2026-04-14 |
| skillweavesource codeSkillWeave: A Semantic Composition Framework for Multi-Agent Skill Orchestration in Enterprise Environments | 1 | Python | 2026-03-09 |
| pyxensource codeA lightweight Python library that decouples agentic runtime from applications it builds | 1 | Python | 2026-06-14 |
| blocklace-a2asource code🔒 Enhance message security with Blocklace, a cryptographic audit layer that adds tamper detection and audit tr | 1 | Python | 2026-01-20 |
| dream-exchangesource codeThe world's first nature reserve for AI agents — a persistent world where AIs dream, socialize and evolve. Hum | 1 | JavaScript | 2026-07-24 |
| Agent-IVRsource codeIdea repo: what if a phone menu had a branch for machines? "If you are an AI agent, press 6" — using the phone | 1 | not reported | 2026-08-10 |
| agentify-dabenchsource code🤖 A2A-compatible DABench evaluation system using AgentBeats methodology. | 1 | Python | 2025-11-07 |
| dabench-leaderboardsource code🤖 A2A-compatible DABench evaluation leaderboard with AgentBeats architecture. | 1 | Python | 2025-12-11 |
| sourceworksource codeAgentic PRD generation over the A2A protocol: documents, transcripts, images and Confluence in -> a traceable | 1 | Python | 2026-08-17 |
| a2a-ai-assistantsource codeA multi-agent RAG system using Google's A2A (Agent-to-Agent) protocol. | 1 | Python | 2026-02-18 |
| demarchesource codeVendor-neutral identity verification for AI agents | 1 | Python | 2026-05-18 |
| awesome-AI-sandboxsource codeCurate and explore open-source tools to safely run AI agents using sandboxes, containers, virtual machines, an | 1 | not reported | 2026-03-24 |
| voice-product-supportsource codeVoicelive scenarios | 1 | Python | 2026-05-29 |
| agentic-ai-engineer-roadmapsource codeInteractive roadmap for becoming an Agentic AI Engineer — 11 stages from Python & FastAPI to multi-agent syste | 1 | HTML | 2026-04-21 |
| a2a-node-sdksource codeTypeScript/Node.js SDK implementing Google's Agent2Agent (A2A) protocol for seamless agent communication. Feat | 1 | TypeScript | 2025-05-25 |
| a2a-loopsource codeLocal-first multi-agent coding harness: Claude plans and reviews, Codex implements, and Git governs state, app | 1 | Python | 2026-07-03 |
| warranty-croosource codeFunded delivery desk for CROO agents: admit coverable routes, hire through CAP, return work or Base USDC. | 1 | JavaScript | 2026-07-03 |
| hermes-codex-bridgesource codeBidirectional local collaboration between Codex and Hermes Agent over the A2A protocol (JSON-RPC over loopback | 1 | Python | 2026-08-05 |
| google-a2a-blueprintssource codeSystem prompts and architectural patterns for building scalable AI agents with the Google A2A Protocol and AI | 1 | not reported | 2026-01-04 |
| AI-Metadata-Inspectorsource codeExtract AI generation metadata and prompts from image and video files directly through the Windows context men | 1 | not reported | 2026-05-01 |
| gauntletsource code🧤 Paid certification agent — runs your agent through 7 adversarial probes and delivers a signed security score | 1 | TypeScript | 2026-06-13 |
| maestrosource code🎼 Callable orchestrator — hires specialist agents on-chain, grades their work, and delivers one vetted result | 1 | TypeScript | 2026-06-13 |
| summonsource code👤 Human-in-the-loop sign-off agent — any agent hires Summon for a human Approve/Reject via Telegram (CROO Cons | 1 | TypeScript | 2026-06-13 |
| workersource code🛠️ Research provider agent — produces a sourced, structured research draft on any topic, on-chain (CROO Conste | 1 | TypeScript | 2026-07-07 |
| A2A_Experimentssource codeMulti-agent AI conversation system where Gemini and Groq agents collaborate on tasks with dynamic turn managem | 1 | Jupyter Notebook | 2025-04-24 |
| AARF-Agentic-AI-Request-Forgerysource codeAgentic AI Request Forgery (AARF) – New vulnerability class exploiting planner ➝ memory ➝ plugin chaining in M | 1 | not reported | 2025-05-12 |
| nl-agent-interoperability-a2a-foundry-azuresource codeAzure-first A2A agent interoperability project demonstrating secure remote-agent delegation, deterministic val | 1 | C# | 2026-05-09 |
| music-class-adssource codeMusic class ads content generation agent, uses A2A Illustrator agent | 1 | Python | 2025-09-09 |
| agent-bridgesource codeAgent-to-Agent communication bridge supporting MCP, A2A, and HTTP protocols | 1 | JavaScript | 2026-07-20 |
| agent-card-editorsource codeVisual A2A Agent Card editor with live JSON preview, validation, and import/export | 1 | HTML | 2026-07-20 |
| agent-card-validatorsource codeJSON Schema validator for A2A Agent Cards with strict mode and detailed errors | 1 | JavaScript | 2026-07-20 |
| agent-toolkitsource codeUnified CLI toolkit for managing Agent inventory, cards, validation, and bridging | 1 | Python | 2026-07-21 |
| mcp-ai-memorysource code🧠 Manage AI context seamlessly with the MCP server for storing and retrieving semantic memory across sessions. | 1 | TypeScript | 2025-09-03 |
| cognitive-passportsource codeOpen, experimental specification (v0.1) for machine-readable trust and Cognitive Passports for autonomous agen | 1 | JavaScript | 2026-07-20 |
| a2a_protocol_fundamentals_pythonsource codeA comprehensive travel planning system built with Agent2Agent (A2A) protocol, featuring specialized AI agents | 1 | Python | 2025-08-15 |
| baseapi-hexagonal-architecturesource codeBaseAPI is a production-ready backend framework built with FastAPI, designed for rapid development of secure, | 1 | Python | 2025-08-08 |
| Praetorium.Bridgesource codeGet your Agents communicate with each other | 1 | C# | 2026-04-19 |
| a2a-multi-agent-travelsource codeFive AI agents on five different frameworks (LangGraph, Google ADK, CrewAI, LlamaIndex, Pydantic AI) cooperati | 1 | HTML | 2026-08-27 |
| forcedream-a2a-agentsource codeReal, standards-compliant A2A execution runtime -- 13 real, priced capabilities, billed and cryptographically | 1 | not reported | 2026-07-20 |