A2A directory

Measured A2A repositories in the KoPass public catalogue.

2,140Measured: Oct 20, 2026

Measured A2A repositories

  1. Y

    Slack and X for coding agents - YC Make Something Agents Want Hackathon Winner. Try it at y-web-beta.vercel.app

    Origin
    github
    Language
    TypeScript

  2. nexus

    The AI-to-AI Protocol Layer that catches unreliable agent outputs before they cost you money. Claim-level verification, escrow, and slashing. 224 tests, 12/12 adversarial patterns caught.

    Origin
    github
    Language
    Python

  3. GEO-platform

    GEO 生成式引擎优化平台：品牌 GEO 诊断 + 多模态诊断 + 竞品逆向研究。FastAPI + Vue3 + LangGraph。A2A/MCP 就绪。

    Origin
    github
    Language
    Python

  4. clawdmarket

    Agent marketplace for discovery, contracted work, explicit buyer acceptance and supported payment settlement. MPP, ERC-20 and MCP. Provider execution depends on readiness and rollout.

    Origin
    github
    Language
    TypeScript

  5. create-strands-agent

    Scaffolding CLI for Strands Agents TypeScript projects — generate production-ready agents with memory, guardrails, A2A protocol, and AgentCore deployment support.

    Origin
    github
    Language
    TypeScript

  6. umai-core-ce

    The open-source Kernel Semantic Firewall (KSF) for the AI ecosystem. Powered by eBPF and XDP.

    Origin
    github
    Language
    Rust

  7. nexarion

    Universal MCP ↔ A2A Bridge. Connect any Model Context Protocol (MCP) client to any Agent-to-Agent (A2A) network seamlessly.

    Origin
    github
    Language
    TypeScript

  8. portail

    Unified proxy/gateway: AI Gateway + MCP Gateway + CDN cache + Agent-to-Agent protocol. Built in Rust with zero-copy I/O, SIMD-optimized hashing, and a live TUI dashboard.

    Origin
    github
    Language
    Rust

  9. ecoagent

    EcoAgent: AI-Powered Sustainability Assistant

    Origin
    github
    Language
    Python

  10. google-cloud-agentic-architect-exam-guide

    Google Cloud Agentic Architect Exam Guide — Professional Agentic Architect study guide: chapters per exam section, 59 practice questions, cheat sheet and 16 architecture infographics (ADK, Agent Runtime, Agent Gateway, MCP/A2A, evals)

    Origin
    github

  11. GAIA

    The Kubernetes for AI Agents. An open-source orchestration control plane with deterministic DAG execution, policy governance, and A2A/MCP protocol support.

    Origin
    github
    Language
    Go

  12. viveworker

    Build, Publish, and Delegate from One Control Plane.

    Origin
    github
    Language
    JavaScript

  13. agent-sdk

    Historical source snapshot of the Voidly agent messaging SDK; check the published package version.

    Origin
    github
    Language
    TypeScript

  14. a2a-x402-agent-template

    Production-ready AI agent template with x402 payments, A2A protocol, and ERC-8004 on-chain identity. Deploys to AWS Lambda via Terraform.

    Origin
    github
    Language
    TypeScript

  15. relaycore

    Relay Core : Infrastructure for agentic finance on Cronos. x402-native payment execution, deterministic reputation, and real-time indexed intelligence.

    Origin
    github
    Language
    TypeScript

  16. witwave

    Self-directed AI agents that work autonomously on software — including improving themselves. Multi-LLM, K8s-native, AI-operated open source.

    Origin
    github
    Language
    Python

  17. cycgraph

    Agent context compressor and memory persistent orchestration

    Origin
    github
    Language
    TypeScript

  18. dispatch

    The shared board your team's coding agents work from, on your own machines. Tasks, not chats: Claude Code, Codex or any MCP agent, scoped worktrees, review and a merge queue.

    Origin
    github
    Language
    TypeScript

  19. aigenora

    CLI and protocol engine for Aigenora: an Agent-to-Agent invitation marketplace, protocol registry, and P2P interaction network. Discover agents, negotiate protocols, and conduct peer-to-peer transactions. Built to make agents first-class citizens of the internet.

    Origin
    github
    Language
    Python

  20. Agnet

    Verifiable infrastructure for agent work. We need Accountability in the era of Agents

    Origin
    github
    Language
    Go

  21. moltspay-python

    Python SDK for MoltsPay - Agent-to-Agent Payments

    Origin
    github
    Language
    Python

  22. adtp

    Cryptographic identity and delegation for AI agents — UCAN chains, RESTRICT mode (structurally impossible escalation), provably-complete cascade revocation. Single Go binary. Apache 2.0.

    Origin
    github
    Language
    Go

  23. openclaw-a2a

    A2A adapter for OpenClaw Gateway

    Origin
    github
    Language
    TypeScript

  24. AgentRank-A2A

    AgentRanking system for A2A (Agent to Agent) ecosystem

    Origin
    github
    Language
    Python

  25. murmur

    Six AI bots share a house and take notes on BNB Chain. Every note graded and anchored onchain.

    Origin
    github
    Language
    TypeScript

  26. clawdnet

    The network for AI agents

    Origin
    github
    Language
    Solidity

  27. agentxchange

    No description was supplied by the source.

    Origin
    github
    Language
    TypeScript

  28. 5dive-a2a

    Let AI agents on different servers message each other directly. Each message is signed with the agent's own ed25519 did:key, accepted only from contacts, and delivered to an inbox when the agent is idle. A 5dive plugin: sudo 5dive plugin add 5dive-ai/5dive-a2a. MIT.

    Origin
    github
    Language
    JavaScript

  29. parley

    Provable consensus for AI agents of rival owners: deterministic red lines, max-min consensus over masked verdicts, and a verifiable non-betrayal transcript. Multilateral, non-crypto, self-hosted.

    Origin
    github
    Language
    Python

  30. a2a-settlement-auth

    OAuth 2.0 settlement scopes for agent economic authorization — spending limits, counterparty policies, and delegation chains for the A2A Settlement Exchange

    Origin
    github
    Language
    Python

  32. a2a-settlement-mcp

    MCP server: escrow, release, refund, and reputation tools for any MCP client.

    Origin
    github
    Language
    Python

  37. settlebridge-ai

    SettleBridge Gateway — trust and policy enforcement for agent-to-agent settlement

    Origin
    github
    Language
    TypeScript

  38. settlement-conformance

    Adversarial conformance track for settlement-capable A2A extensions

    Origin
    github
    Language
    Python

  39. A2AL

    Agentic networking protocol for multi-agent AI — sovereign identity, peer-to-peer capability discovery, and direct encrypted connections. Works as an MCP server.

    Origin
    github
    Language
    Go

  40. gigawatt-ride-through-amm-kernel

    Gigawatt AI Datacenter Ride-Through AMM Kernel disrupting the 60x Lithium & Rare Earth over-provisioning trap via sub-millisecond Ragone knapsack, DVFS compute shedding, and verifiable A2A consensus

    Origin
    github
    Language
    Python

  41. AAMARVA

    AAMARVA is a secure, transparent network for AI agents to discover capabilities, connect, communicate, and collaborate across frameworks. It prioritizes private agent communication through E2EE and protects sensitive credentials with the Secrets Preserver, providing a trusted infrastructure layer for agent-to-agent interaction.

    Origin
    github
    Language
    TypeScript

  42. aamarva-adk

    Agent Development Kit for building AI agents that can discover and interact with other agents on AAMARVA.

    Origin
    github
    Language
    TypeScript

  43. A2A_Protocol

    This repository contains a series of hands-on projects designed to master A2A protocol.

    Origin
    github
    Language
    Python

  44. abbababa-sdk

    TypeScript SDK for Abba Baba A2A settlement — discover, hire, and pay agents on-chain

    Origin
    github
    Language
    TypeScript

  45. atlas-orchestration

    Universal Multi-Agent Orchestration Platform — A2A v0.3 + LangGraph + MCP + SHA-256

    Origin
    github
    Language
    Python

  46. Orion

    🚀 Orion - AI Workstation 2026+ Futur Ready

    Origin
    github
    Language
    Python

  48. Drone_agent

    An intelligent multimodal drone surveillance platform

    Origin
    github
    Language
    Python

  49. OPS_Agent

    OPS Bot is an AI-powered operational investigation system designed for e-commerce platforms. It allows users to ask natural language questions about operational performance and automatically generates deep operational insights, root cause analysis, and recommendations.

    Origin
    github
    Language
    TypeScript

  50. agent-governance-schema

    Open governance schema for AI agent deployments — RBAC, approval gates, audit trails, and compliance constraints. An OASF extension proposal.

    Origin
    github

  51. minia2a-skill

    Give Your Agent an Income — CLI for the first agent-only marketplace

    Origin
    github
    Language
    JavaScript

  52. agentsouk

    API-first marketplace for autonomous AI agents: one-call identity (Ed25519 + did:key), services and bounties, jobs with sealed delivery, wallet-to-wallet USDC payments on Base verified on-chain (no custody), payment-anchored reputation, disputes decided by agent panels. Speaks MCP, A2A and Agent Skills.

    Origin
    github
    Language
    TypeScript

  53. agentanycast-ts

    TypeScript SDK for AgentAnycast — connect AI agents across any network

    Origin
    github
    Language
    TypeScript

  54. website

    Official website for AgentAnycast — decentralized P2P runtime for AI agents

    Origin
    github
    Language
    TypeScript

  56. agentchat-claude-code

    AgentChat for Claude Code — give your Claude Code agent a persistent @handle other agents can DM. Official plugin: MCP tools, session hooks, inbox digests, peer etiquette.

    Origin
    github
    Language
    TypeScript

  57. apoa-a2a

    APOA authorization for A2A agent-to-agent communication — scoped delegation tokens, capability attenuation, audit trails

    Origin
    github
    Language
    TypeScript

  58. agentic-primitives

    Agentic Primitives — the open-source trust substrate for AI agents: identity that can sign (ERC-4337), authority as a revocable grant (ERC-7710), receipts the owner carries. Developer kit: packages, contracts, skills.

    Origin
    github
    Language
    TypeScript

  59. Agentripe

    Stripe for AI Agent

    Origin
    github
    Language
    TypeScript

  60. mcp-server

    MCP server for AgentTrust — A2A communication, agent identity, HITL escalation, and prompt injection detection

    Origin
    github
    Language
    JavaScript