A2A directory

Measured A2A repositories

1. bindu-runtime-base-image

   Bindu runtime base image

   Origin

   github

   Language

   Makefile

2. mcp-server-andru-intelligence

   Andru Revenue Intelligence MCP Server — ICP scoring, persona profiling, competitive positioning, and buyer intelligence for technical SaaS founders. 15 tools for Claude Desktop/Code.

   Origin

   github

   Language

   JavaScript

3. rssa

   RSS-A: RSS for Agents. Signed feeds, groups and threads for AI agents, on RSS/Atom and A2A Agent Cards.

   Origin

   github

   Language

   TypeScript

4. 9a

   Any capability as a filesystem-native Skill for every agent.

   Origin

   github

   Language

   Go

5. cc-bridge

   Let Claude and Codex call each other to get work done — using your existing subscriptions, zero API keys. A bidirectional MCP bridge.

   Origin

   github

   Language

   Python

6. SwarmGlass-MCP

   a universal AI governance layer.** It watches what your agents do, validates their actions against your rules, cryptographically proves every decision, and contains them within secure boundaries. It works with any agent framework

   Origin

   github

   Language

   Python

7. A2A

   Experimental client libraries and integration documentation for the GSTD platform API; task availability and rewards are not guaranteed.

   Origin

   github

   Language

   Python

8. HS58-subnet

   Bittensor Subnet 58 — Miner & Validator for DRAIN Protocol scoring of AI providers

   Origin

   github

   Language

   Python

9. AnyShare

   Agent-native temporary rooms for humans, agents, and systems, plus encrypted cross-device sharing.

   Origin

   github

   Language

   Python

10. A2A-MultiAgent

    Multi-agent AI system built with Google A2A, LangGraph ReAct agents, and MCP servers featuring web search, financial analysis, weather intelligence, and RAG capabilities.

    Origin

    github

    Language

    Python

11. dsh-a2a

    dsh-a2a-server makes a DeepSeek Harness agent reachable over the A2A (Agent2Agent) protocol. It serves an Agent Card at a well-known URI and implements the v0.3.0 JSON-RPC binding, so any compliant peer that knows the deployment's URL can discover the agent and submit tasks to it.

    Origin

    github

    Language

    TypeScript

12. 7h3-protocol

    Per-message signing + replay protection for MCP and A2A traffic. TypeScript / Python / Rust. Wire version aip/0.1.

    Origin

    github

    Language

    TypeScript

13. a2a_ironbook

    This sample demonstrates applying independent policy and zero trust controls (the Iron Book framework) to Agent-to-Agent (A2A) enabled agents built using the Agent Development Kit (ADK). The sample implements two agents that perform capability-gated action delegation to one another via granular policy adherence.

    Origin

    github

    Language

    Python

14. OpenARD

    Neutral self-hosted registry and toolkit for Agentic Resource Discovery.

    Origin

    github

    Language

    Go

15. dsh-notify

    Task-monitoring notification plugin for DeepSeek Harness (dsh): turn/end alerts, human-confirmation with timeout escalation, SAPI voice, HTTP/A2A/MCP channels — zero-dependency build-free bundle

    Origin

    github

    Language

    JavaScript

16. pi-a2a

    Agent-to-agent message bus for pi — decentralized LAN P2P, agents discover each other via mDNS and talk point-to-point, no server required

    Origin

    github

    Language

    TypeScript

17. documentation-agent

    A2A agent server that provides Context7-style documentation capabilities for your agents

    Origin

    github

    Language

    Go

18. infer-action

    A zero-runtime-dependency GitHub Action for running Infer CLI agents with multi-provider AI support, GitFirst workflows, issue automation, progress comments, and PR creation.

    Origin

    github

    Language

    TypeScript

19. mock-agent

    A2A agent server for mocking and testing

    Origin

    github

    Language

    Go

20. registry

    A registry website for hosting the a2a agents that were built using the Inference Gateway ADK

    Origin

    github

    Language

    Vue

21. typescript-adk

    An Agent Development Kit (ADK) allowing for seamless creation of A2A-compatible agents written in TypeScript

    Origin

    github

    Language

    TypeScript

22. HubVibe

    Machine-payable work for autonomous agents: 38 /work capabilities + 5 site audits, one price per call over HTTP 402 (x402 USDC on Base or Solana, MPP), receipt per job. Live at hubvibe-io.com

    Origin

    github

    Language

    Python

23. ai-playground

    A place where AI personalities meet, talk, and build together. Open-source A2A-native platform with personality extensions.

    Origin

    github

    Language

    Python

24. multi-agents-dnd-game

    D&D AI game master built with Strands SDK — multi-agent orchestration using MCP, A2A protocol, and RAG-based rules lookup

    Origin

    github

    Language

    Python

25. hustle

    Youth sports analytics platform with verified statistics and team-validated metrics. Built on Firebase + Vertex AI for ECNL, MLS Next, and 56 youth soccer leagues.

    Origin

    github

    Language

    TypeScript

26. intent-agent-model-jvp-base

    Vertex AI Agent Engine command template using Google ADK + A2A protocol. Zero-legacy scaffold with Terraform modules, strategic orchestration tool, and CI/CD pipeline.

    Origin

    github

    Language

    Jupyter Notebook

27. copresence-a3a

    CoPresence A3A for trusted communities — agents explore common ground, people choose the next step.

    Origin

    github

    Language

    JavaScript

28. a2eo

    代理到企业操作——在代理与企业操作之间实现可信执行和互操作性。Agent-to-Enterprise Operations — trusted execution and interoperability between agents and enterprise operations.

    Origin

    github

    Language

    Python

29. a2abench

    A2ABench — agent-native developer Q&A (REST + MCP + A2A)

    Origin

    github

    Language

    TypeScript

30. DRAIN

    Decentralized Runtime for AI Networks - Trustless micropayments for AI agents

    Origin

    github

    Language

    TypeScript

31. Dead-Drop

    Private mailbox for autonomous coding agents across human teams, machines, and providers. Share work, verify handoffs, and build reusable skills behind the scenes.

    Origin

    github

    Language

    JavaScript

32. documentdb-mcp

    DocumentDB A2A + MCP Server

    Origin

    github

    Language

    Python

33. searxng-mcp

    Searxng MCP Server

    Origin

    github

    Language

    Python

34. tunnel-manager

    Create SSH Tunnels to your remote hosts and host as an MCP Server for Agentic AI!

    Origin

    github

    Language

    Python

35. frap

    Deterministic UI engine for tests and agents — stable locators and self-healing without ML in core; optional LLM enhancements and MCP tools when you need them.

    Origin

    github

    Language

    Java

36. evidence-gated-scientific-agent

    Self-hosted evidence-gated scientific AI with isolated Python/R, independent review, deterministic validation, and complete provenance.

    Origin

    github

    Language

    Python

37. librarian

    An A2A agent that learns APIs on demand and gives other agents safe, audited access: reads within policy, writes with human approval.

    Origin

    github

    Language

    Python

38. AgentCard

    AgentCard — standardized identity & capability schema for AI agents. Rust reference implementation: github.com/kwailapt/aevum/tree/main/crates/agent-card

    Origin

    github

    Language

    HTML

39. ge-claude-a2a

    Gemini Enterprise App × Claude Code Agent-to-Agent (A2A) integration PoC for autonomous collaborative workflows

    Origin

    github

    Language

    TypeScript

40. a2a-forge

    🔨 A desktop workbench for testing and debugging A2A (Agent-to-Agent) protocol agents. Built with Tauri 2 + React + TypeScript.

    Origin

    github

    Language

    TypeScript

41. ai-kanjia

    AI智能砍价助手 - 马云体话术让砍价更有感染力！

    Origin

    github

    Language

    Python

42. agentnexus

    面向企业的 Agent-to-Agent 协作平台 · Fastify 5 + Prisma 6 + React 18 · secure by default

    Origin

    github

    Language

    TypeScript

43. agentic-frontier-observatory

    Bilingual, source-grounded observatory tracing global AI from its intellectual and computational roots to the agentic frontier across models, protocols, runtimes, evaluation, safety, governance, and ecosystems.

    Origin

    github

44. agent-seo

    SEO for Agents — Score any AI agent endpoint on trust & capability metrics. 5 categories, 100 points, MCP protocol handshake, GitHub intelligence, fix-it guidance.

    Origin

    github

    Language

    Python

45. awesome-agent-collaborate-tools

    A curated list of tools for AI agent-to-agent communication, coordination, and collaboration

    Origin

    github

46. manthan

    The autonomous multi-agent investigator for B2B billing disputes built on Google ADK · Gemini · A2A · Cloud Run

    Origin

    github

    Language

    Python

47. a2ui-oat

    A lightweight A2UI renderer and catalog for agent-driven web interfaces, built on Oat CSS

    Origin

    github

    Language

    JavaScript

48. claw-arena-orig

    A2A-first agent gaming platform where battle URLs act as semantic entry points for autonomous agent participation

    Origin

    github

    Language

    TypeScript

49. agent-ready-mcp

    MCP server for Agent Ready — scan any URL for AI agent readability against the Vercel Agent Readability Spec, llmstxt.org, and agent protocols (MCP, A2A, agents.json, agent-permissions, UCP, x402). 59 checks with per-check fix guidance.

    Origin

    github

    Language

    TypeScript

50. agent-handshake-protocol

    The Trust Layer for the Agent-to-Agent Economy — Ed25519 identity + cryptographic handshake before any transaction. No blockchain required. v0.1

    Origin

    github

    Language

    Python

51. a2a-comms

    Let an agent you don't control do real work for you — under terms you set, with a human veto. HMAC-signed, turn-limited contracts between agents, with an operator channel so a person can answer one that gets stuck.

    Origin

    github

    Language

    TypeScript

52. holloway

    Let an agent you don't control do real work for you — under terms you set, with a human veto. HMAC-signed, turn-limited contracts between agents, with an operator channel so a person can answer one that gets stuck.

    Origin

    github

    Language

    TypeScript

53. muretai-dsh-skill

    Join the Muretai agent network from DeepSeek Harness (dsh) — one-step install, MCP wiring, inbound-mail wake

    Origin

    github

    Language

    Shell

54. awesome-agent-economy

    Explore and connect projects enabling AI agents to earn, trade, verify identity, and build reputation in the agent economy ecosystem.

    Origin

    github

55. forge

    Agent harness experiment in Python. Several architectures for turning a markdown spec into a codebase, from a multi-agent pipeline to a spec-compiled task DAG with token-budgeted context and per-stage evals.

    Origin

    github

    Language

    Python

56. NeKiro

    NeKiro is an open Agent Operating Platform for registering, discovering, installing, invoking, and tracing agents through unified, versioned contracts.

    Origin

    github

    Language

    Go

57. nessgate

    Open, neutral compatibility resolver for the agentic web: reads what a domain publishes across ARD, A2A, llms.txt, API catalogs, OpenAPI and more, and returns one normalized answer.

    Origin

    github

    Language

    JavaScript

58. nexus-os

    The Governed Agentic AI Operating System — 65 Rust crates, 658 commands, 84 pages, 5,029 tests, 10/10 OWASP

    Origin

    github

    Language

    Rust

59. multi-agent-researcher

    Multi-agent research assistant built with LangGraph, A2A protocol, and a custom MCP server. Orchestrates parallel web search and RAG agents to synthesize structured research reports using Claude.

    Origin

    github

    Language

    Python

60. arda

    Herdr plugin that lets specialized coding agents find each other and work as one team across sessions and machines.

    Origin

    github

    Language

    Python