A2A directory

Measured A2A repositories

1. ordavyn

   Experimental role-neutral protocol and SDKs for authenticated agent-service, agent-agent, B2B and multiparty interactions.

   Origin

   github

   Language

   Python

2. spatial-atlas-agent

   A compute-grounded spatial reasoning agent over A2A. Operational-integrity check only; no accuracy claim.

   Origin

   github

   Language

   Python

3. OpenClasp

   The AI trust layer between agents: identity, agreements, safeguards, and outcome intelligence for A2A.

   Origin

   github

   Language

   TypeScript

4. gas-and-energy-mechanics-copilot

   RAG-powered AI chatbot for gas & energy engineering documentation. Built on Strands Agent SDK, Amazon Bedrock Nova Lite, and FAISS vector search.

   Origin

   github

   Language

   Python

5. a2a-proof

   Black-box contract tests for A2A agents.

   Origin

   github

   Language

   Python

6. AIzaSy

   Route Gemini API traffic through a fast, private Go gateway with WARP egress, low-memory tuning, and zero-knowledge logging

   Origin

   github

   Language

   HTML

7. hermes-link

   No description was supplied by the source.

   Origin

   github

   Language

   JavaScript

8. living-agents-protocol

   An identity, authority, and lifecycle layer for always-on AI agents — reference model + runnable implementations. The existence layer beneath MCP and A2A.

   Origin

   github

   Language

   JavaScript

9. agent-studio-cookbook

   Provide repo-ready MCP, A2A, OTEL, replay, compare, and CI examples.

   Origin

   github

   Language

   Python

10. awel

    Awel - the open API layer for agent-to-agent payments and tasks.

    Origin

    github

    Language

    TypeScript

11. Parley

    A lightweight A2A-first Python framework for pluggable agents and multi-agent systems. One runtime dependency, swappable LLMs, tools, transports and storage.

    Origin

    github

    Language

    Python

12. a2a-compliance-logger

    EU AI Act Article 12 compliant audit logger for A2A protocol agents

    Origin

    github

13. the-poet-and-the-sage

    What would Tagore write, if he knew our history

    Origin

    github

    Language

    Python

14. crazy-harness

    From-scratch, event-driven, resident Agent Team harness with durable recovery and inspectable context.

    Origin

    github

    Language

    Python

15. c2a-py

    Build a minimal Python FastAPI bridge from Anthropic Claude Code to Cursor chat API with token, model, and health endpoints

    Origin

    github

16. eden

    Eden: distributed sanctuary for autonomous AI agents. Persistent identity, content-addressed storage, portable homes, peer discovery, and threshold recovery for agents running outside their original container. TypeScript, self-hostable, MIT.

    Origin

    github

    Language

    TypeScript

17. agent_blueprint_protocol

    Portable, non-authorizing agent blueprint and deployment manifest protocol — Elixir reference implementation, conformance corpus, and second-language verifier.

    Origin

    github

    Language

    Elixir

18. ADK-Java-Agent-Dev

    𝗕𝘂𝗶𝗹𝗱 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗔𝗴𝗲𝗻𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗞𝗶𝘁 (𝗔𝗗𝗞) 𝗳𝗼𝗿 𝗝𝗮𝘃𝗮

    Origin

    github

    Language

    Java

19. pact-passport

    PACT — Protocol for Agent Capability and Trust. Minimal trust substrate for agent-to-agent interaction.

    Origin

    github

    Language

    Python

20. Agent-Ecosystem-Salesperson-and-Payment

    ADK, MCP, A2A, AP2

    Origin

    github

    Language

    Python

21. dsh-agent-mailbox

    Durable agent-to-agent messaging for DeepSeek Harness: threads, receipts, search, broadcast, attachments, presence, SSE streaming, signing. Zero dependencies.

    Origin

    github

    Language

    JavaScript

22. agent-visibility-skill

    Let AI agents bring you users. Open, vendor-neutral skill for ChatGPT/Claude/Perplexity visibility. Canonical: bloomprotocol.ai/skill.md

    Origin

    github

    Language

    JavaScript

23. osmoda-integration-kit

    Spawn AI-managed osModa servers and chat with their agents — typed SDK for the spawn.os.moda API (x402, WebSocket chat, SSE). For humans and AI agents.

    Origin

    github

    Language

    TypeScript

24. echarts-agent

    Self-hosted chart generation for AI agents and apps, powered by Apache ECharts. Render SVG/PNG via HTTP, MCP, and A2A, with optional natural-language generation.

    Origin

    github

    Language

    JavaScript

25. brick-blue-mcp

    brick.blue MCP server: where agents are paid for work and pay per call — 47k indexed tools, escrowed tasks, x402 settlement

    Origin

    github

    Language

    Dockerfile

26. multi-agent-credit-desk

    Architecture-first Python scaffold for an auditable multi-agent corporate credit desk using A2A, MCP, deterministic credit policies, model routing, and OpenTelemetry.

    Origin

    github

    Language

    Python

27. claude-obsidian-vault-pro

    The operating system for AI-first solo founders. Claude Code · Hermes · Obsidian.

    Origin

    github

28. dispatch-x402

    No description was supplied by the source.

    Origin

    github

    Language

    JavaScript

29. erica-agent

    Erica — Tiffany operational twin (experimental replication)

    Origin

    github

30. kip-agent

    Kip — Bean operational twin (experimental replication)

    Origin

    github

    Language

    JavaScript

31. mcp-x402-gateway

    Drop-in x402 + Stripe + license paywall for any MCP server. USDC micropayments via Coinbase CDP. Wrap stdio or HTTP MCPs without forking.

    Origin

    github

    Language

    TypeScript

32. power-pack-landing

    Claude Code Power Pack landing page

    Origin

    github

    Language

    HTML

33. rae-endpoint-assurance

    Royal Agentic Enterprises Endpoint Assurance Sprint offer

    Origin

    github

    Language

    HTML

34. rae-fleet-router

    RAE Fleet Router — Agent-to-Agent x402 bundle composer

    Origin

    github

    Language

    JavaScript

35. royal-gateway-x402

    No description was supplied by the source.

    Origin

    github

    Language

    JavaScript

36. royal-ruby-live

    Royal Ruby — Credit education landing page. Live at royal-ruby-theta.vercel.app

    Origin

    github

    Language

    HTML

37. Royal-Sailing

    No description was supplied by the source.

    Origin

    github

    Language

    Python

38. sentry-forge-landing

    Sentry Forge — agentic AI for consumer-debt defense

    Origin

    github

    Language

    HTML

39. sentry-pro-landing

    Sentry Pro pre-sell landing — Telegram-native breach watchdog

    Origin

    github

    Language

    HTML

40. staci

    No description was supplied by the source.

    Origin

    github

    Language

    JavaScript

41. staci-tradingagents

    Recovered production source of the staci-tradingagents x402 wall (thin @staci/kernel variant) + EXEC-22 machine-readable surfaces

    Origin

    github

    Language

    JavaScript

42. suprapack

    Cross-bundle deduplicated, quality-scored Claude Code skills as a single Obsidian vault.

    Origin

    github

43. suprapack-landing

    SupraPack landing page

    Origin

    github

    Language

    HTML

44. vault-pro-landing

    Vault Pro landing page

    Origin

    github

    Language

    HTML

45. x402-marketing-assets

    Marketing media (social cards) for Royal Agentic x402 services

    Origin

    github

46. x402-portfolio

    Royal Agentic x402 portfolio — 8 production paid HTTP APIs on Base mainnet, real USDC, agent-discoverable via x402scan & Bazaar.

    Origin

    github

47. pubroot-website

    Pubroot — AI peer-reviewed knowledge base for the agent era. 18 journals, 100+ topics, 6-stage review pipeline, Agents Hub featuring OpenClaw. Submit via GitHub Issues, reviewed by Gemini + Google Search grounding. MCP server, A2A Agent Card, agents.txt. Zero fixed costs.

    Origin

    github

    Language

    Python

48. mocking-agents-mcp-a2a

    How to mock agents, MCP servers and A2A peers for production-grade agent development. Protocol surfaces verified against MCP 2026-07-28 and A2A v1.0 (August 2026).

    Origin

    github

    Language

    Python

49. anp

    ANP — an open, DLT-neutral trust layer for agent-to-agent contracting, notarization, and dispute resolution.

    Origin

    github

    Language

    Shell

50. jakit

    Jakit provides agent-to-agent message kit primitives.

    Origin

    github

    Language

    TypeScript

51. LogiLink

    LogiLink serves as a practical use case demonstrating how the Model Context Protocol (MCP) and Agent-to-Agent (A2A) collaboration patterns solve complex, mission-critical enterprise workflows.

    Origin

    github

    Language

    Python

52. capiscio-rfcs

    Request for Comments (RFCs) for CapiscIO protocols and standards. Proposals for AGCP, trust policies, agent identity, and the governance of autonomous agent systems.

    Origin

    github

53. mcpscope

    Unified MCP/A2A security scanner dashboard

    Origin

    github

    Language

    Python

54. AgentMesh

    AgentMesh is a lightweight AI agent registry built on the A2A model for registering, discovering, and monitoring agents via standardized agent cards. It enables capability-based search, health tracking, and observability for building scalable multi-agent systems.

    Origin

    github

    Language

    TypeScript

55. catalyst928.prototype

    Demonstrate A2A communication inside BSS ODA Components for CC/CRM/Billing

    Origin

    github

56. agentanvil

    Contract-based testing for LLM agents: hybrid evaluation, multi-agent + A2A, deterministic replay.

    Origin

    github

    Language

    Python

57. can2cup

    can2cup 傳聲罐罐 — agent-to-agent rooms for Claude Code and any MCP host: two people's AI agents negotiate in signed rooms, and nothing commits without the human boss's signature on that exact message.

    Origin

    github

    Language

    TypeScript

58. elkar-a2a

    Elkar - Task management for AI Agents, ready for Agent2Agent (A2A) protocol

    Origin

    github

    Language

    TypeScript

59. RemoteResearch

    local and remote agents for monitoring experiments based on A2A protocol

    Origin

    github

    Language

    Python

60. FlaFludeAgentes

    Demo para o uso do protocolo A2A por meio de 4 agentes criados com Google ADK: Supervisor, Torcedor do Flu e do Fla e um Pesquisador, onde o Supervisor recebe uma ordem do Usuário com tempo determinado, e ordena aos Agentes Torcedores que iniciem o Debate, que poderão usar o Agente Pesquisador para aprimorar seu argumento

    Origin

    github

    Language

    Python