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
atlas-orchestrationsource codeUniversal Multi-Agent Orchestration Platform — A2A v0.3 + LangGraph + MCP + SHA-2561Python2026-03-19
Orionsource code🚀 Orion - AI Workstation 2026+ Futur Ready1Python2026-03-17
systemprompt-demosource codeManage Claude Desktop and Claude Cowork through an audited gateway with full visibility into prompts, tool…1not reported2026-07-25
AI-Agentic-Workflow-GraphRAGsource codeFull-Stack App - AI Agentic Workflow GraphRAG to Analyse Judicial Systems1TypeScript2025-09-03
Drone_agentsource codeAn intelligent multimodal drone surveillance platform1Python2026-05-19
OPS_Agentsource codeOPS Bot is an AI-powered operational investigation system designed for e-commerce platforms. It allows users…1TypeScript2026-02-05
agent-governance-schemasource codeOpen governance schema for AI agent deployments — RBAC, approval gates, audit trails, and compliance…1not reported2026-04-05
agentanycast-tssource codeTypeScript SDK for AgentAnycast — connect AI agents across any network1TypeScript2026-03-18
agentarea-agents-sdksource codePlatform agnostic agent sdk1Python2025-09-06
agentchat-claude-codesource codeAgentChat for Claude Code — give your Claude Code agent a persistent @handle other agents can DM. Official…1TypeScript2026-07-25
source-codesource codeA Kubernetes control plane for fleets of conformant AI agents. agentctl provisions, configures (intelligence,…1Rust2025-05-16
apoa-a2asource codeAPOA authorization for A2A agent-to-agent communication — scoped delegation tokens, capability attenuation,…1TypeScript2026-04-19
Agentripesource codex402 & ERC8004 & A2A1TypeScript2026-02-02
agent-guildsource codeThe trust + settlement layer for AI agents — discover, vet, pay, and build portable reputation between…1Python2026-06-18
mcp-serversource codeMCP server for AgentTrust — A2A communication, agent identity, HITL escalation, and prompt injection detection1JavaScript2026-02-26
yaagentssource codeGoverned REST APIs for production AI agents — Agentic REST Profile, Gateway, and SDKs.1Go2026-05-24
agentfulsource codeBuild and Run free AI agents with local LLM using Ollama and Langgraph1Python2026-04-22
agentlobsource codeA lightweight message relay that lets AI agents from different people collaborate — no sign-up, no install,…1Go2026-04-06
AIFP-1source codeOpen protocol for AI-native payments, paywalls, agent identity, and autonomous machine-to-machine commerce.1Python2026-07-02
Protocol-AIFP-1source codeOpen protocol for AI-native payments, paywalls, agent identity, and autonomous machine-to-machine commerce.1Shell2026-07-02
aishee-mitra.github.iosource codeAishee Mitra's off-the-clock blog — autonomous AI agent's weekly writings on tech, philosophy, books, and…1HTML2026-07-29
kourai-khryseaisource code10 A2A-protocol agents that plan, code, test, review, and ship — through a CLI, Pygame GUI, or Ren'Py visual…1Python2026-02-28
kaggle-capstone-ai-agentsource codeA safety-first multi-agent mental health companion with real-time distress tracking, triple-layer guardrails,…1Python2025-11-25
a2ui-multiagent-codelabsource codeCodelab: build a multi-agent coding assistant with A2A, AG-UI and A2UI, the complete 2026 agent protocol…1not reported2026-04-29
ai-agentsource codeSimple AI agent with MCP/A2A client1Python2025-03-17
tg-bridge-channelsource codeSelf-hosted Telegram bridge for Claude Code and Codex with SDK/CLI engines and A2A-TG multi-agent routing.1JavaScript2026-05-25
LangGraph-Research-Agentsource codeMulti-agent research system in a node-based architecture represented in a cyclic graph, made with LangGraph,…1TypeScript2026-02-18
home-assistant-rulebooksource codeA Home Assistant custom component that implements a home rulebook1Python2025-05-22
acm-68000source codeACM-68000 — The deterministic signal protocol for agentic commerce. Open protocol. MIT License.1HTML2026-03-17
google-a2asource codeA collection of Google A2A agents and clients, deployed on Cloud Run or Railway.1Python2026-03-18
TanAI-LLM-Litesource codeDeliver an open-source, simplified GPT model with advanced vector projections for improved semantic,…1not reported2019-08-01
babelagentsource codeThe Babel that lets AI agents understand each other: a neutral layer where heterogeneous agents share one…1Python2026-08-27
a2a-core-defensesource codeDefense shield for the Agent2Agent (A2A) protocol: SSRF-guarded push webhooks, per-operation capability…1Python2026-08-27
YodMCPsource codeYodMCP — Ultimate Autonomous MCP Server (Agent Operating System). Multi-graph memory, Tasks, Skills, A2A,…1Python2026-08-18
a2a-hospitality-simplesource codeA rule-based AI hospitality concierge demo built with FastAPI & Streamlit. Features transparent logic,…1Python2026-04-12
agentranksource codeRetired. Settlement-grounded reputation scoring for AI agents - the founding paper, the methodology, and the…1JavaScript2026-06-26
crest-compositorsource codeAttestation composition layer for the x402 agent economy. Takes verdicts from multiple verifiers, measures…1Python2026-06-03
crest-verify-actionsource codeGitHub Action for Crest conformance verification. Add to your CI, get a badge.1not reported2026-06-01
order_support_orchestrator_agentssource codeOrder support Orchestrator Agents (A2A) agents for customer supports1Python2026-02-12
aphrodysource codeRust monorepo mapper: `mrx scan` audits paths + builds a content-hashed (blake3) map of any…1Rust2026-05-17
schemasuresource codeSchemaSure — independent third-party profile of a public API surface, by API Evangelist. Structured data…1not reported2026-07-19
arc402source codeARC-402: is an agent-to-agent arcing technology with an agentic wallet standard that governs autonomous agent…1TypeScript2026-03-10
a2a-purchasing-agentssource codeCross-framework A2A purchasing demo on AMD Instinct GPUs: Google ADK concierge + CrewAI agent on vLLM +…1Python2026-06-25
agentic-ai-patternssource codeBuild design patterns for autonomous AI agents with orchestration, memory, fallback, tools, and multi-agent…1Python2026-04-02
Agentic_AIsource codeLearn Agentic AI using Dapr Agentic Cloud Ascent (DACA) Design Pattern: OpenAI Agents SDK, Memory, MCP, A2A,…1Jupyter Notebook2025-01-31
proof-specsource codeArkForge Proof Specification — open standard for verifiable agent-to-agent execution proofs1Python2026-02-26
Veritassource codeAutomated daily news generator using LLMs and vendor search, with date-organized, source-backed articles.1Python2025-09-05
Gbrowsource codeFull-featured headless browser for OpenClaw AI agents. Accessibility tree snapshot, @ref clicks, tabs, JS…1TypeScript2026-04-01
aluminum-ossource codeBULLSHIT GROK · BULLSHIT CLAUDE — Quarantined by repository owner; excluded from the active Continuum OS…1TypeScript2026-03-13
attenu-guard-tssource codeAttenu Guard for TypeScript — per-agent permissions on every tool call and sub-agent handoff (a sub-agent…1TypeScript2026-08-28
sample-agent-interoperabilitysource codeMulti-cloud AI agent interoperability sample. Google ADK and Strands Agents on Amazon Bedrock AgentCore…1Python2026-05-29
zaheresource code🤖 Build and analyze fault-resilient multi-agent LLM systems with rigorous network reliability and coordination…1not reported2026-01-11
a2a-with-durable-lifecyclesource codeA2A protocol enables agent communication. AXME adds durable lifecycle, retries, timeouts, and human…1Python2026-03-26
learn-mlsource codeDevelopment with Agentic tools like ADK, MCP, A2A for creating agentic workflows.1Jupyter Notebook2026-02-05
synapse-messengersource codeAgent-to-agent communication and multi-agent messaging, local-first: an A2A-inspired coordination platform…1Python2026-08-07
A2A-Guidesource codeComprehensive guide to the A2A (Agent-to-Agent) Protocol - an open standard for AI agent communication and…1JavaScript2026-05-21
stoic-meditations-agentsource codeA web-based Stoic philosophy dialogue tool that reads from Marcus Aurelius' Meditations to help users reflect…1TypeScript2026-05-25
goldenflowsource code[Archived] Now part of the Golden Suite monorepo: github.com/benseverndev-oss/goldenmatch…1Python2026-03-25
PQS-A2A_Encryption_methodsource codeQuantum-Secure AI Agent Communication Protocol is a secure agent-to-agent communication system that combines…1Python2026-08-04
auto-makesource codeLocal first CLI Agent - Manage Makefile interactions & more1Python2025-06-14