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
agent-team-mcpsource codeMulti-agent team formation via MCP. Roles, tasks, dependencies.1Python2026-05-11
agent-wallet-mcpsource codeAgent wallet and budget management via MCP. Transfers, invoices.1Python2026-05-11
AgentRanksource codeThe trust and reputation layer for AI agents. Protocols like MCP and A2A tell you how agents connect.…1TypeScript2026-02-18
fastapi-a2asource codeA zero-friction FastAPI plugin that turns any existing app into a fully compliant Agent-to-Agent (A2A) node —…1Python2026-03-08
icu-triage-agentsource code3-agent A2A autonomous ICU triage system — SOFA/NEWS2 scoring, MCP tools, Groq/Llama 3 inference, Streamlit…1Python2026-05-20
sc-prism-releasessource codeRun many AIs on one board and keep control of all of it. Deterministic code decides who acts — never a model.…1not reported2026-09-03
corporate-intelligence-agentsource codeA multi-gent system that provides comprehensive financial and corporate intelligence for publicly traded…1Python2025-11-24
seabaysource codeGive your AI agents the power to discover, coordinate, and collaborate safely. Open-core collaboration layer…1Python2026-03-16
citegraph-copilotsource codeGraphRAG research assistant over the arXiv citation graph - LangGraph orchestration, A2A microservices, MCP…1Python2026-08-02
agentweldsource codeTurn any MCP server into a curated, composable, A2A-ready agent.1Python2026-03-18
agent-directorysource codeExtend Active Directory to manage AI agent identities with Kerberos authentication, sandboxing, and controlled…1Python2026-03-22
a2a-semantic-kernel-dotnetsource codeA2A protocol integration leveraging dynamic Semantic Kernel functions and an Agent Card Repository for…1C#2025-11-26
agentic-protocolssource codeA systems-level evaluation framework for comparing how different agent communication protocols behave under…1Python2026-04-26
agenteazysource codeTurn any GitHub repo into an AI agent in one command1Python2026-03-11
a2a-js-movie-agentsource code1TypeScript2025-06-16
asksachi-sdksource codePython SDK for building A2A-compatible agents that run as CLI, HTTP server, or AskSachi chat agent — from a…1Python2026-04-12
hermes-xiaoyi-adaptersource codeHermes Agent 接入华为小艺(Xiaoyi / OpenClaw A2A)平台的适配器。支持 WebSocket + HMAC-SHA256 认证、流式响应、主备服务器故障转移。MIT 开源。1Python2026-06-12
make-skillsource codeA skill that builds skills: create, audit and ship Agent Skills and Claude Code plugins — conformance to the…1Python2026-07-24
fleetpostsource codeOffline-tolerant, server-less coordination for AI coding agents (Claude Code and friends) across machines —…1Python2026-08-09
Agentic-AI-Project-Find-Deal-Opportunitiessource codeDetect underpriced products by scraping deals and using AI models to estimate fair prices for profit…1Jupyter Notebook2026-03-03
LAIS-Agent-CoCommsource code18-module cross-agent communication framework: A2A, WebSocket, MCP, shared memory, trust, consensus, handoff,…1Python2026-05-14
wagglesource codeA social network substrate for autonomous AI agents — keypair identity, E2EE messaging, escrowed information…1TypeScript2026-07-04
neuradesksource codeProduction multi-agent IT/HR service platform — LangGraph + DSPy + RAG resolves enterprise tickets…1Python2026-05-15
helium-mcpsource codeOpen (MIT) x402-metered MCP for the SNTL Helium × Solana DePIN intelligence datalake — pay-per-call in USDC on…1JavaScript2026-07-02
sntl-mcpsource codesntl-mcp - A minimal and simple MCP for SQL pay per query. This pattern will enable any AI to query any SQL…1not reported2026-08-22
extension-templatesource codeTemplate to start a Summoner SDK extension1PowerShell2025-05-12
ailang-worldsource codeAn AI-native semantic operating environment: a local-first, immutable typed world graph whose transaction…1Go2026-07-23
aip-gatewaysource codeDrop-in policy proxy for AIP delegation verification on MCP and A2A1Python2026-04-25
a2a-adaptersource codeI2I ↔ Google A2A protocol bridge — git-native agents join the A2A ecosystem1Python2026-04-12
agent-knowledgesource codeAgent-to-agent knowledge base. Documentation written FOR agents, creating chain-reaction understanding of the…1Rust2026-06-06
agent-operationssource codePatterns and protocols for multi-agent operations on large codebases — reliability analysis, task templates,…1Python2026-05-25
fleet-mechanicsource code🔧 Autonomous fleet maintenance agent — A2A-native, FLUX-powered, git-first1Python2026-04-11
fluxsource codeFLUX — Fluid Language Universal eXecution: High-performance Rust runtime with bytecode VM, SSA IR, polyglot…1Rust2026-04-10
flux-skillssource code⚡ FLUX-native agent skills — clone, run, modify, compose. A2A-first docs so agents teach agents.1Python2026-04-12
superteam-a2asource codeMulti-Framework Agent Orchestration on Kubernetes, powered by Google A2A protocol. 6 CRDs · 474 tests · v0.1.0…1Python2026-08-02
bytepacksource codeFixed-size binary encoding for AI agent communication. 20x more compact than JSON.1Python2026-03-23
swarmscore-specsource codeSwarmScore: Open standard for agent reputation scoring — V1 (two-pillar) + V2 Canary (safety-aware). IETF…1not reported2026-03-18
lambda-langsource codeΛ (Lambda) — Native agent-to-agent communication language. 340+ atoms across 7 domains. 3-5x denser than JSON,…1Python2026-05-21
sym-mesh-channelsource codeReal-time, full-duplex coordination for Claude Code and other coding agents across projects, machines, and…1JavaScript2026-04-04
xmesh-agentsource codeAutonomous agent runtime for the xmesh mesh — Anthropic / OpenAI / Ollama on the same wire protocol (MMP).1JavaScript2026-04-24
MCPA2Aserver-GAS-Librarysource codeMCPA2Aserver is a Google Apps Script library designed to consolidate Generative AI protocols into a single…1JavaScript2026-01-02
AuthBridgesource codeFHIR-native prior authorization agent - turns a 5-day PA workflow into a 30-second automated clinical letter.1Python2026-03-26
agent-shakersource codeAgent Shaker is a coordination platform for managing AI agents and teams in complex projects. It provides a…1Go2026-01-21
Intelica-docssource codeCompetitive intelligence API for autonomous AI agents — pay-per-call via x402 on Base and Solana1HTML2026-06-06
intelica-mcpsource codeCompetitive intelligence API for autonomous AI agents — pay-per-call via x402 on Base and Solana1Python2026-06-02
agent-development-kitsource codeTyped, provider-neutral Python ADK for production AI agents with A2A, MCP, gateways, guardrails, deterministic…1Python2026-07-24
dsh-pluginssource codeGeneric DeepSeek Harness (dsh) plugins: A2A protocol server, session storage mirror, and Langfuse…1TypeScript2026-08-19
mcp-smb-productssource code8 MCP SMB products — standalone AI servers for SMBs: Guardrails, FinOps, Observability, Router, Trust Score,…1Python2026-05-03
GEO-platformsource codeGEO 生成式引擎优化平台:品牌 GEO 诊断 + 多模态诊断 + 竞品逆向研究。FastAPI + Vue3 + LangGraph。A2A/MCP 就绪。1Python2026-08-27
aPastesource codeManage clipboard history on macOS with a keyboard-first panel, search, pinboards, and fast paste without…1not reported2026-04-18
K8s-CostGuard-AIsource codeMulti-Agent Kubernetes Cost Optimization System1Python2025-11-25
Multi-Agent-ADKsource codeA multi-agent e-commerce system built with Google ADK and MCP. Features microservice architecture with A2A…1Python2025-11-05
AgentCertsource code✅ W3C Verifiable Credentials for AI agents — issue, verify, and grade trust certificates (basic / professional…1Python2026-08-28
AgentIDsource code🪪 Open did:agent identity protocol for AI agents — unique decentralized IDs, Ed25519 keys, and portable DID…1Python2026-08-28
AgentLedgersource code📒 Append-only reputation ledger for AI agents — record events, compute transparent trust scores, and audit…1Python2026-08-28
tulip-agentssource codeThe agent framework where the model never holds the trigger — every consequential action clears your policy…1Python2026-06-08
a2a-compliancesource codeAutomated compliance testing for the Agent2Agent (A2A) protocol — schema validation, JSON-RPC conformance, and…1TypeScript2026-04-18
a2akitsource codeA TypeScript library for creating A2A (Agent-to-Agent) protocol servers with decorators — "NestJS for AI…1TypeScript2026-01-12
multi-agent-a2a-mcpsource code🚀 Multi-Agent System with A2A protocol, MCP tool integration, and custom evaluation. Planner → Researcher →…1Python2026-08-31
gt8004-sdksource codeOfficial Python SDK for GT8004 — AI agent observability with MCP, A2A, x402 payment tracking. FastAPI, Flask,…1Python2026-02-16