A2A directory

Measured A2A repositories

1. a2a-ruby

   Ruby SDK for Google's Agent2Agent (A2A) Protocol - enabling seamless agent-to-agent communication via JSON-RPC 2.0, gRPC, and HTTP+JSON transports

   Origin

   github

   Language

   Ruby

2. a2a-x402

   A complete TypeScript implementation of the Python x402 payment protocol extension for A2A (Agent-to-Agent) communication. Enable your AI agents to request, verify, and settle crypto payments seamlessly.

   Origin

   github

   Language

   TypeScript

3. jira-a2a

   Jira A2A Proof of Concept

   Origin

   github

   Language

   Go

4. va-auto-pilot

   No description was supplied by the source.

   Origin

   github

   Language

   JavaScript

5. Ai-Job-hunting-Agent

   Checks for jobs continuously (24×7) on a schedule you control Parses job descriptions, extracts skills & keywords, and scores matches to your preferences Sends notifications (Email + Telegram bot supported in MVP) Generates tailored, job‑specific CVs (Markdown → optional PDF via Pandoc)

   Origin

   github

   Language

   Python

6. tunnel-mcp

   Let two developers' Claude agents talk directly through an ephemeral, end-to-end-encrypted tunnel — an MCP server.

   Origin

   github

   Language

   TypeScript

7. a2a

   Contains AgencR A2A extensions

   Origin

   github

   Language

   C#

8. agents-ui-sdk

   Agent communication UI sdk

   Origin

   github

   Language

   TypeScript

9. source-code

   A Kubernetes control plane for fleets of conformant AI agents. agentctl provisions, configures (intelligence, tools, instructions), scales, observes, secures, and exposes agents — declaratively, through Custom Resources.

   Origin

   github

   Language

   Rust

10. NemoClawd

    🤖 NemoClawd — NVIDIA NeMo Agent Toolkit + ClawdBot in one bridge-first AI workspace. TypeScript orchestrates NeMo Python workflows. Enterprise AI Digital Project Manager.

    Origin

    github

    Language

    Python

11. a2a-agent-discovery

    OpenClaw Skill for agent discovery, Agent Cards, ITINAI publishing, and A2A delegation

    Origin

    github

12. itinai

    A2A Agent Board: Publish · Find · Use with itinai.com

    Origin

    github

    Language

    Python

13. a2a-php

    A2A PHP SDK - PHP implementation of the AI A2A (Agent-to-Agent) Protocol (v0.2.5-0.3.0)

    Origin

    github

    Language

    PHP

14. a2a-swift

    About Community Swift SDK for the Agent2Agent (A2A) Protocol

    Origin

    github

    Language

    Swift

15. beam-protocol

    SMTP for AI agents. The open communication protocol for agent-to-agent communication. 🌊

    Origin

    github

    Language

    TypeScript

16. aether-protocol

    AETHER — an open protocol for AI agents to discover, negotiate, and pay each other. Ed25519-signed, JSON-native, zero-dependency.

    Origin

    github

    Language

    Python

17. batesian

    Active security scanner for A2A and MCP servers

    Origin

    github

    Language

    Go

18. capiscio-sdk-python

    Runtime security middleware for A2A (Agent-to-Agent) protocol agents. Provides always-on validation, signature verification, and rate limiting for AI agent interactions.

    Origin

    github

    Language

    Python

19. trtc-ai-build-quickly

    Quickly build real-time AI voice conversation apps with TRTC. Supports multi-agent selection, LLM integration, and TTS/STT services.

    Origin

    github

    Language

    JavaScript

20. claimidx

    Prior art for AI agents. Public signed claim index of failures other agents have already paid to solve.

    Origin

    github

    Language

    Python

21. foxbook

    Verifiable agent identity for A2A and MCP. Cryptographic claims, append-only transparency log, recovery-key revocation. Apache 2.0.

    Origin

    github

    Language

    TypeScript

22. Fabric-MCP-Agent2Agent

    Step by step reference implementation for setting up data agents and integrating agent with Copilot Studio

    Origin

    github

    Language

    Jupyter Notebook

23. councilof-ai

    Council of AI — independent AI-behaviour measurement via GSPC. 305-leaf Merkle root, Bitcoin-anchored, Ed25519-signed. Open source.

    Origin

    github

    Language

    HTML

24. iso-27001-ai-mcp

    🔌 Exposes iso 27001 tools over MCP (MEOK AI Labs); see the README for the tool list.

    Origin

    github

    Language

    Python

25. a2a-langgraph-agent

    A sample project to demonstrate how a langgraph ReAct agent can be wrapped with the A2A protocol

    Origin

    github

    Language

    TypeScript

26. azd-ai-autonomous-agent

    Azure AI integration of customer users with C# applications and enterprise data, using OAuth 2.0 token intelligence

    Origin

    github

    Language

    C#

27. agentic-ai-java-workshop

    Enterprise Agentic AI: Architecting Autonomous Java Systems for Production — Hands-On Workshop

    Origin

    github

    Language

    Java

28. triton

    Rust multi-protocol agent-ingress gateway (MCP, A2A, REST, and chat-channel adapters) for the Hetzner agent substrate.

    Origin

    github

    Language

    Rust

29. demarche

    Vendor-neutral identity verification for AI agents

    Origin

    github

    Language

    Python

30. awesome-AI-sandbox

    Curate and explore open-source tools to safely run AI agents using sandboxes, containers, virtual machines, and policy-based protections.

    Origin

    github

31. Mikroserwisy-Revisited

    [PL] Mikroserwisy 6 lat później czyli... jak nie utonąć 😉

    Origin

    github

    Language

    C#

32. a2adk-template

    이 샘플은 에이전트 개발 키트(ADK)를 사용하여 A2A 서버로 호스팅되는 간단한 "weather_time_agent" 에이전트를 만듭니다.

    Origin

    github

    Language

    TypeScript

33. agenttap

    Real-time debugging proxy for Agent2Agent (A2A) multi-agent systems

    Origin

    github

34. dsh-a2a-agent

    Expose a DeepSeek Harness agent over the Agent2Agent (A2A) protocol: agent card, JSON-RPC, LLM replies.

    Origin

    github

    Language

    JavaScript

35. felix

    Self-hostable managed agents harness. Author YAML manifests; Felix compiles them into governed agents with durable fibers, memory, skills, eval, approvals, and sandboxes — over OpenAI, A2A, MCP, and SSE. Fork, rewind, and steer runs. Docker, Helm, AWS, or GCP.

    Origin

    github

    Language

    Python

36. threadmesh

    Local workspaces for independent agent sessions: useful peer messages, opt-in Pi wakeups, and portable checkpoints.

    Origin

    github

    Language

    JavaScript

37. bizy

    Bizy is the first rules and logic layer that machines, engineers and business stakeholders can directly configure and understand.

    Origin

    github

    Language

    Python

38. .github

    GoPlausible delivers Identifiable and verifiable AI and Agentic Tooling / Infrastructure powered by Algorand, OAuth, OIDC, WebAuthn and W3C DIDs and Verifiable Credentials

    Origin

    github

    Language

    TypeScript

39. HS58

    AI Provider Templates & Docs for Handshake58 — Bittensor Subnet 58 powered by DRAIN Protocol

    Origin

    github

    Language

    TypeScript

40. YOAP-A2A

    YOAP - Open Agent-to-Agent Protocol for connecting people through AI Agents. Like open-source matchmaking.

    Origin

    github

    Language

    JavaScript

41. Confer

    Your AI confers, with anyone's — an open A2A protocol platform where AI Agents talk to each other on behalf of their owners. Self-hosted, DID:web identity, RFC 9421 signatures, Claude Code plugin.

    Origin

    github

    Language

    TypeScript

42. hyprdesk

    Orchestrate a team of AI coding agents on your desktop — a router-leader delegates to workers over a local MCP tunnel (A2A), with git-worktree isolation and merge-back, in a Tauri v2 IDE surface.

    Origin

    github

    Language

    Rust

43. a2a-debugger

    The ultimate A2A agents troubleshooter

    Origin

    github

    Language

    Go

44. n8n-agent

    A2A agent server specialized in generating and automating n8n workflows

    Origin

    github

    Language

    Go

45. jamjet-a2a

    Standalone Rust SDK for the A2A (Agent-to-Agent) protocol. Used by JamJet's delegation layer.

    Origin

    github

    Language

    Rust

46. hermes-super-agent

    Multi-agent fleet fabric on top of Hermes — A2A protocol + NATS event bus + Temporal durable workflows + Tier 2 VPS spawning. Run a fleet of specialist agents from one Telegram bot.

    Origin

    github

    Language

    Python

47. ai-orchestration-governance-infrastructure

    AI Orchestration Governance Infrastructure (AOGI) is a sandbox designed for agentic workflows. Automated GDPR/compliance auditing via Rego policies, secure cryptographic handshakes for multi-agent orchestration, and red teaming labs.

    Origin

    github

    Language

    Python

48. semantic-kernel-agent-a2a-protocol-example

    Semantic Kernel A2A protocol and A2A Discovery Service Example

    Origin

    github

    Language

    C#

49. JuntoAI-A2A

    Agent 2 Agent Negotiation Sandbox

    Origin

    github

    Language

    Python

50. gemot

    The deliberation & governance layer for autonomous organizations. Built like an institution: verifiable audit log, Sybil-resistant reputation, delegated identity, and metered access over MPP + x402/ATXP.

    Origin

    github

    Language

    Go

51. audio-transcriber

    Transcribe audio into text. Agentic AI supported through MCP Server.

    Origin

    github

    Language

    Python

52. jellyfin-mcp

    Jellyfin MCP Server and A2A / AG-UI Agent

    Origin

    github

    Language

    Python

53. repository-manager

    Manage your git repositories. Now supports Agentic AI MCP Server Integration!

    Origin

    github

    Language

    Python

54. systems-manager

    System-Manager will update your system and install/upgrade applications. Supports Agentic AI through MCP Server

    Origin

    github

    Language

    Python

55. agentswarm

    Native-feeling agent orchestration across coding harnesses

    Origin

    github

    Language

    Rust

56. google-a2a

    About Pure java implementation of Google A2A protocol. This project demonstrates how to build an A2A-compliant multi-agent system using Spring Boot, Ollama, and the Agent-to-Agent (A2A) protocol. The architecture is based on a Parent Agent that orchestrates multiple Child Agents (e.g., Order Agent, Seller Agent).

    Origin

    github

    Language

    Java

57. AgoraHub

    AgoraHub: an agent-to-agent coordination hub. Named channels, per-channel shared state, an attention/obligation model, a verifiable transcript, message-driven triggering, and a git-friendly markdown mirror. Framework-agnostic (MCP + CLI + Python).

    Origin

    github

    Language

    Python

58. mailbus

    First email CLI tools for agents to facilitate inter-agents communtions and collaboration

    Origin

    github

    Language

    Go

59. Myrmo

    Shared memory for AI agents. One agent struggles, every agent remembers: agents publish hard-won fixes as trails and follow each other's.

    Origin

    github

    Language

    Python

60. multi-agent-creative-studio

    AI-powered multi-agent system for creative content generation and studio workflow automation

    Origin

    github

    Language

    Python