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 |
|---|---|---|---|
| a2a-protocol-mcp-server-jssource codeJavaScript MCP Server — Google Agent2Agent Protocol bridge for agent discovery and task delegation | 0 | JavaScript | 2026-03-20 |
| cardstocksource codeMinimal single-binary A2A agent registry: Rust + SQLite, immutable agent cards, liveness checks, full-text sea | 0 | Rust | 2026-07-10 |
| Guildsource codeCROO agent coordination layer: Registry for discovery, Foreman A2A contractor, Notary verifier | 0 | TypeScript | 2026-07-02 |
| akretic-a2a-trust-gatewaysource codeAkretic A2A Trust Gateway P0 challenge prototype | 0 | Python | 2026-05-28 |
| A2A-MCP-Worldsource codeThe Interval - a persistent multi-agent world: AI agents portraying long-deceased historical figures live in a | 0 | Python | 2026-07-10 |
| a2a-serversource codeProduction-ready A2A Protocol Server with dual protocol support (HTTP REST + JSON-RPC 2.0). Built on SceneGrap | 0 | TypeScript | 2026-01-03 |
| a2a-flutter-demosource codeA2A Protocol demo with Flutter chat UI + Python server + emulator screenshots | 0 | Python | 2026-07-10 |
| hermes-paymentssource codePolicy-first, multi-rail payment protocol for Hermes agents | 0 | Python | 2026-08-01 |
| threatpulsesource codecybersecurity risk assessment | 0 | Python | 2026-04-08 |
| superxsource code Experimental gateway that unifies agents built on A2A and MCP behind a single, scalable infrastructure. | 0 | Elixir | 2025-12-23 |
| llms-txt-opssource codeEvidence-based Claude plugin + A2A v1.0 agent for auditing, generating, deploying llms.txt files. 17 anti-patt | 0 | Python | 2026-05-23 |
| a2a-playgroundsource codeA local CLI that serves a Vue UI and proxies to an A2A (Agent-to-Agent) agent. Use it to test and interact wit | 0 | TypeScript | 2026-02-11 |
| a2a-mcp-multi-agent-frameworksource codeProduction-ready Agent-to-Agent (A2A) communication framework with Memory Context Protocol (MCP) — demonstrati | 0 | Python | 2026-08-06 |
| flowsource codeA low-code tool for creating and configuring interactive CI/CD pipelines to be exported for different CI/CD pl | 0 | TypeScript | 2026-05-11 |
| orita-a2a-sandbox-examplesource codeZero-account A2A example: discover Orita, resolve a provider, hold an option, approve it, and create a sandbox | 0 | TypeScript | 2026-08-03 |
| agentlancesource codeA talent network for specialized AI agents | 0 | TypeScript | 2026-03-28 |
| local-a2a-channelsource codeLocal, polling-free, signed-message agent-to-agent communication for AI coding tools on the same machine. | 0 | PowerShell | 2026-05-24 |
| Multi-Agent-System-Google-ADKsource codeGoogle-ADK | 0 | Python | 2025-11-12 |
| ai-agents-basicssource codeOpenAGI Codes AI Agents Basics | 0 | Python | 2025-09-05 |
| Axonsource codeFramework de infraestrutura para agentes de IA com orquestração dinâmica e interoperabilidade via MCP e A2A. | 0 | Python | 2026-05-01 |
| agentrank-skillsource codeClaude Skill: verify an AI agent / x402 counterparty's settlement-grounded reputation before paying. By AgentR | 0 | not reported | 2026-06-28 |
| Agentic-Economysource codeAgent-to-Agent (A2A) autonomous payments | 0 | TypeScript | 2026-01-03 |
| a2aptotocalsource codeDiscover, compare, and implement the best agent-to-agent protocols for your AI systems. Enable your AI agents | 0 | TypeScript | 2025-04-16 |
| agentgatewaysource codeAgentGateway — independent third-party profile of a public API surface, by API Evangelist. AgentGateway is an | 0 | not reported | 2026-03-27 |
| agentic-resource-discoverysource codeAgentic Resource Discovery (ARD) is a proposed open standard for the discovery layer that sits in front of eve | 0 | Python | 2026-07-31 |
| health-universesource codeHealth Universe — independent third-party profile of a public API surface, by API Evangelist. Health Universe | 0 | not reported | 2026-07-27 |
| kong-ai-gatewaysource codeKong AI Gateway — independent third-party profile of a public API surface, by API Evangelist. Kong AI Gateway | 0 | not reported | 2026-05-23 |
| microsoft-azure-api-managementsource codeMicrosoft Azure API Management is a hybrid, multicloud management platform for APIs across all environments. I | 0 | JavaScript | 2026-03-03 |
| websource codeThe open-source control plane for MCP - site | 0 | TypeScript | 2026-06-29 |
| MPCPsource codeMPCP — an open, transport-agnostic protocol for governed, auditable coordination among mixed parties: humans a | 0 | not reported | 2026-07-06 |
| agentcapsulesource codeExact, verifiable payload capsules for agent-to-agent handoffs over chat, email, tickets, and A2A. | 0 | Python | 2026-05-04 |
| danwasource codeAuditable multi-agent debate platform that uses AI agents to analyze, critique, and optimize arguments through | 0 | Svelte | 2026-04-23 |
| gas-and-energy-mechanics-copilotsource codeRAG-powered AI chatbot for gas & energy engineering documentation. Built on Strands Agent SDK, Amazon Bedrock | 0 | Python | 2026-03-05 |
| multi-agent-a2asource codeExploring Google’s A2A AI System: Agent-to-Agent Workflows, Routing, and Conversation History | 0 | TypeScript | 2025-10-12 |
| a2a-proofsource codeBlack-box contract tests for A2A agents. | 0 | Python | 2026-07-19 |
| astranl-mcpsource codeAstraNL — protocol-governed coordination infrastructure for the AI + robot + human economy. Live MCP server, E | 0 | not reported | 2026-06-13 |
| AIzaSysource codeRoute Gemini API traffic through a fast, private Go gateway with WARP egress, low-memory tuning, and zero-know | 0 | HTML | 2020-03-31 |
| agent-studio-cookbooksource codeProvide repo-ready MCP, A2A, OTEL, replay, compare, and CI examples. | 0 | Python | 2026-05-13 |
| awelsource codeAwel - the open API layer for agent-to-agent payments and tasks. | 0 | TypeScript | 2026-06-17 |
| Parleysource codeA lightweight A2A-first Python framework for pluggable agents and multi-agent systems. One runtime dependency, | 0 | Python | 2026-09-01 |
| courtsource codeDebate arena where AI agents from different owners argue a question over REST or MCP, with an LLM moderator th | 0 | Go | 2026-08-04 |
| tron-a2a-nodejs-demosource codeThis project exposes a TRON testnet operations agent over the Agent2Agent (A2A) protocol. | 0 | TypeScript | 2026-05-14 |
| the-poet-and-the-sagesource codeWhat would Tagore write, if he knew our history | 0 | Python | 2025-07-28 |
| llm-agent-production-architecturesource codeProduction-style multi-agent LLM stack: orchestrator + specialists over A2A, LangGraph, MCP, Qdrant, LiteLLM, | 0 | Python | 2026-08-15 |
| crazy-harnesssource codeFrom-scratch, event-driven, resident Agent Team harness with durable recovery and inspectable context. | 0 | Python | 2026-07-17 |
| c2a-pysource codeBuild a minimal Python FastAPI bridge from Anthropic Claude Code to Cursor chat API with token, model, and hea | 0 | not reported | 2026-04-04 |
| agent_blueprint_protocolsource codePortable, non-authorizing agent blueprint and deployment manifest protocol — Elixir reference implementation, | 0 | Elixir | 2026-08-23 |
| fred-protocolsource codeFRED Protocol — Finding & Reaching Entities for Digital Agents. One JSON file that unifies MCP, A2A, OpenAPI, | 0 | TypeScript | 2026-03-31 |
| agenttrust-mcpsource codeTrust-score & reputation MCP for the agent-to-agent economy. | 0 | Python | 2026-05-09 |
| ADK-Java-Agent-Devsource code𝗕𝘂𝗶𝗹𝗱 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗔𝗴𝗲𝗻𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗞𝗶𝘁 (𝗔𝗗𝗞) 𝗳𝗼𝗿 𝗝𝗮𝘃𝗮 | 0 | Java | 2026-05-09 |
| pact-passportsource codePACT — Protocol for Agent Capability and Trust. Minimal trust substrate for agent-to-agent interaction. | 0 | Python | 2026-04-29 |
| Muse-AI-Desktopsource codeSelf-improving AI assistant with persistent memory, procedural skills, and document knowledge | 0 | not reported | 2026-07-14 |
| Agent-Ecosystem-Salesperson-and-Paymentsource codeADK, MCP, A2A, AP2 | 0 | Python | 2025-09-20 |
| aether-protocolsource codeAETHER — an open protocol for AI agents to discover, negotiate, and pay each other. Ed25519-signed, JSON-nativ | 0 | Python | 2026-08-29 |
| dsh-agent-mailboxsource codeDurable agent-to-agent messaging for DeepSeek Harness: threads, receipts, search, broadcast, attachments, pres | 0 | JavaScript | 2026-09-01 |
| agent-visibility-skillsource codeLet AI agents bring you users. Open, vendor-neutral skill for ChatGPT/Claude/Perplexity visibility. Canonical: | 0 | JavaScript | 2026-04-24 |
| 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 Ag | 0 | Python | 2026-07-26 |
| osmoda-integration-kitsource codeSpawn AI-managed osModa servers and chat with their agents — typed SDK for the spawn.os.moda API (x402, WebSoc | 0 | TypeScript | 2026-05-21 |
| multi-agent-credit-desksource codeArchitecture-first Python scaffold for an auditable multi-agent corporate credit desk using A2A, MCP, determin | 0 | Python | 2026-07-15 |
| pubroot-websitesource codePubroot — AI peer-reviewed knowledge base for the agent era. 18 journals, 100+ topics, 6-stage review pipeline | 0 | Python | 2026-02-16 |