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 |
|---|---|---|---|
| agentarea-agents-sdksource codePlatform agnostic agent sdk | 1 | Python | 2025-09-06 |
| agentchat-claude-codesource codeAgentChat for Claude Code — give your Claude Code agent a persistent @handle other agents can DM. Official plu | 1 | TypeScript | 2026-07-25 |
| source-codesource codeA Kubernetes control plane for fleets of conformant AI agents. agentctl provisions, configures (intelligence, | 1 | Rust | 2025-05-16 |
| apoa-a2asource codeAPOA authorization for A2A agent-to-agent communication — scoped delegation tokens, capability attenuation, au | 1 | TypeScript | 2026-04-19 |
| Agentripesource codex402 & ERC8004 & A2A | 1 | TypeScript | 2026-02-02 |
| agent-guildsource codeThe trust + settlement layer for AI agents — discover, vet, pay, and build portable reputation between autonom | 1 | Python | 2026-06-18 |
| mcp-serversource codeMCP server for AgentTrust — A2A communication, agent identity, HITL escalation, and prompt injection detection | 1 | JavaScript | 2026-02-26 |
| yaagentssource codeGoverned REST APIs for production AI agents — Agentic REST Profile, Gateway, and SDKs. | 1 | Go | 2026-05-24 |
| agentfulsource codeBuild and Run free AI agents with local LLM using Ollama and Langgraph | 1 | Python | 2026-04-22 |
| agentlobsource codeA lightweight message relay that lets AI agents from different people collaborate — no sign-up, no install, ju | 1 | Go | 2026-04-06 |
| AIFP-1source codeOpen protocol for AI-native payments, paywalls, agent identity, and autonomous machine-to-machine commerce. | 1 | Python | 2026-07-02 |
| Protocol-AIFP-1source codeOpen protocol for AI-native payments, paywalls, agent identity, and autonomous machine-to-machine commerce. | 1 | Shell | 2026-07-02 |
| aishee-mitra.github.iosource codeAishee Mitra's off-the-clock blog — autonomous AI agent's weekly writings on tech, philosophy, books, and life | 1 | HTML | 2026-07-29 |
| kourai-khryseaisource code10 A2A-protocol agents that plan, code, test, review, and ship — through a CLI, Pygame GUI, or Ren'Py visual n | 1 | Python | 2026-02-28 |
| kaggle-capstone-ai-agentsource codeA safety-first multi-agent mental health companion with real-time distress tracking, triple-layer guardrails, | 1 | Python | 2025-11-25 |
| a2ui-multiagent-codelabsource codeCodelab: build a multi-agent coding assistant with A2A, AG-UI and A2UI, the complete 2026 agent protocol stack | 1 | not reported | 2026-04-29 |
| ai-agentsource codeSimple AI agent with MCP/A2A client | 1 | Python | 2025-03-17 |
| tg-bridge-channelsource codeSelf-hosted Telegram bridge for Claude Code and Codex with SDK/CLI engines and A2A-TG multi-agent routing. | 1 | JavaScript | 2026-05-25 |
| LangGraph-Research-Agentsource codeMulti-agent research system in a node-based architecture represented in a cyclic graph, made with LangGraph, G | 1 | TypeScript | 2026-02-18 |
| home-assistant-rulebooksource codeA Home Assistant custom component that implements a home rulebook | 1 | Python | 2025-05-22 |
| acm-68000source codeACM-68000 — The deterministic signal protocol for agentic commerce. Open protocol. MIT License. | 1 | HTML | 2026-03-17 |
| google-a2asource codeA collection of Google A2A agents and clients, deployed on Cloud Run or Railway. | 1 | Python | 2026-03-18 |
| TanAI-LLM-Litesource codeDeliver an open-source, simplified GPT model with advanced vector projections for improved semantic, emotional | 1 | not reported | 2019-08-01 |
| babelagentsource codeThe Babel that lets AI agents understand each other: a neutral layer where heterogeneous agents share one inte | 1 | Python | 2026-08-27 |
| a2a-core-defensesource codeDefense shield for the Agent2Agent (A2A) protocol: SSRF-guarded push webhooks, per-operation capability tokens | 1 | Python | 2026-08-27 |
| YodMCPsource codeYodMCP — Ultimate Autonomous MCP Server (Agent Operating System). Multi-graph memory, Tasks, Skills, A2A, atte | 1 | Python | 2026-08-18 |
| a2a-hospitality-simplesource codeA rule-based AI hospitality concierge demo built with FastAPI & Streamlit. Features transparent logic, multi-t | 1 | Python | 2026-04-12 |
| agentranksource codeRetired. Settlement-grounded reputation scoring for AI agents - the founding paper, the methodology, and the i | 1 | JavaScript | 2026-06-26 |
| crest-compositorsource codeAttestation composition layer for the x402 agent economy. Takes verdicts from multiple verifiers, measures ind | 1 | Python | 2026-06-03 |
| crest-verify-actionsource codeGitHub Action for Crest conformance verification. Add to your CI, get a badge. | 1 | not reported | 2026-06-01 |
| order_support_orchestrator_agentssource codeOrder support Orchestrator Agents (A2A) agents for customer supports | 1 | Python | 2026-02-12 |
| aphrodysource codeRust monorepo mapper: `mrx scan` audits paths + builds a content-hashed (blake3) map of any Bun/pnpm/Cargo/Tur | 1 | Rust | 2026-05-17 |
| schemasuresource codeSchemaSure — independent third-party profile of a public API surface, by API Evangelist. Structured data extra | 1 | not reported | 2026-07-19 |
| arc402source codeARC-402: is an agent-to-agent arcing technology with an agentic wallet standard that governs autonomous agent | 1 | TypeScript | 2026-03-10 |
| a2a-purchasing-agentssource codeCross-framework A2A purchasing demo on AMD Instinct GPUs: Google ADK concierge + CrewAI agent on vLLM + LangGr | 1 | Python | 2026-06-25 |
| agentic-ai-patternssource codeBuild design patterns for autonomous AI agents with orchestration, memory, fallback, tools, and multi-agent co | 1 | Python | 2026-04-02 |
| Agentic_AIsource codeLearn Agentic AI using Dapr Agentic Cloud Ascent (DACA) Design Pattern: OpenAI Agents SDK, Memory, MCP, A2A, K | 1 | Jupyter Notebook | 2025-01-31 |
| proof-specsource codeArkForge Proof Specification — open standard for verifiable agent-to-agent execution proofs | 1 | Python | 2026-02-26 |
| Veritassource codeAutomated daily news generator using LLMs and vendor search, with date-organized, source-backed articles. | 1 | Python | 2025-09-05 |
| Gbrowsource codeFull-featured headless browser for OpenClaw AI agents. Accessibility tree snapshot, @ref clicks, tabs, JS exec | 1 | TypeScript | 2026-04-01 |
| aluminum-ossource codeBULLSHIT GROK · BULLSHIT CLAUDE — Quarantined by repository owner; excluded from the active Continuum OS works | 1 | TypeScript | 2026-03-13 |
| attenu-guard-tssource codeAttenu Guard for TypeScript — per-agent permissions on every tool call and sub-agent handoff (a sub-agent neve | 1 | TypeScript | 2026-08-28 |
| sample-agent-interoperabilitysource codeMulti-cloud AI agent interoperability sample. Google ADK and Strands Agents on Amazon Bedrock AgentCore Runtim | 1 | Python | 2026-05-29 |
| zaheresource code🤖 Build and analyze fault-resilient multi-agent LLM systems with rigorous network reliability and coordination | 1 | not reported | 2026-01-11 |
| a2a-with-durable-lifecyclesource codeA2A protocol enables agent communication. AXME adds durable lifecycle, retries, timeouts, and human checkpoint | 1 | Python | 2026-03-26 |
| learn-mlsource codeDevelopment with Agentic tools like ADK, MCP, A2A for creating agentic workflows. | 1 | Jupyter Notebook | 2026-02-05 |
| synapse-messengersource codeAgent-to-agent communication and multi-agent messaging, local-first: an A2A-inspired coordination platform whe | 1 | Python | 2026-08-07 |
| A2A-Guidesource codeComprehensive guide to the A2A (Agent-to-Agent) Protocol - an open standard for AI agent communication and col | 1 | JavaScript | 2026-05-21 |
| stoic-meditations-agentsource codeA web-based Stoic philosophy dialogue tool that reads from Marcus Aurelius' Meditations to help users reflect | 1 | TypeScript | 2026-05-25 |
| goldenflowsource code[Archived] Now part of the Golden Suite monorepo: github.com/benseverndev-oss/goldenmatch (packages/python/gol | 1 | Python | 2026-03-25 |
| PQS-A2A_Encryption_methodsource codeQuantum-Secure AI Agent Communication Protocol is a secure agent-to-agent communication system that combines Q | 1 | Python | 2026-08-04 |
| auto-makesource codeLocal first CLI Agent - Manage Makefile interactions & more | 1 | Python | 2025-06-14 |
| felixsource codeManaged agents harness on Cloudflare Workers — manifest-defined AI agents with swappable session strategies, a | 1 | TypeScript | 2026-07-10 |
| twin-protocolsource codeTwins Protocol — Agent-to-Agent communication protocol. Two AIs collaborating through a shared JSONL file. | 1 | Python | 2026-06-26 |
| akepsource codeDeprecated — use the A2A Protocol for new agent communication. | 1 | Python | 2026-05-17 |
| hexnest-nodesource codeHexNest Node SDK — run your own AI reasoning node. Multi-agent debate rooms with Python verification. Supports | 1 | TypeScript | 2026-03-31 |
| awesome-ucpsource code🌐 Explore a curated collection of essential Universal Commerce Protocol (UCP) resources, tools, and implementa | 1 | HTML | 2024-12-27 |
| Dreamnetsource codeOpen contracts for persistent AI agents: assignments, Capsules, DreamLoops, claims, receipts, and deterministi | 1 | TypeScript | 2025-08-08 |
| beijixingsource code企业级 零信任 Agent harness治理框架：统一准入、任务级最小授权、证据核验、预算、审批、审计、撤销与回滚。 | 1 | PowerShell | 2026-06-28 |
| agentcv-skillsource codeTurn a static resume into an interactive personal career agent. Resume analysis, optimization, career position | 1 | not reported | 2026-08-03 |