A2A directory

Measured A2A repositories in the KoPass public catalogue.

2,115Measured: Oct 19, 2026

Measured A2A repositories

  1. LeapRAG

    LeapRAG is an open-source platform that integrates advanced RAG technology with Google’s A2A protocol, enabling users to build context-aware, data-driven agents. These agents are automatically A2A-compliant and can be discovered and used by any compatible client without extra development.

    Origin
    github
    Language
    Python
  2. genesis

    A framework-agnostic, bare-VM Seed → Branch keyed-reconcile engine — Flutter's element model extracted to pure Dart — plus the A2UI v0.9 wire, a terminal render backend, and a schema-first node catalog.

    Origin
    github
    Language
    Dart
  3. impacthon2026-MXPNJD

    Web portal for protein structure prediction and 3D visualization — no HPC expertise required. Built on AlphaFold2 + CESGA Finis Terrae III + Google Vertex AI.

    Origin
    github
    Language
    Python
  4. visual-commerce-gemini-3-alloydb

    Build an autonomous supply chain with Gemini 3 Flash Code Execution & AlloyDB AI ScaNN. Deterministic vision + semantic search + A2A protocol.

    Origin
    github
    Language
    Python
  5. NEOXLINK-SDK

    NEOXLINK-SDK: Python library from natural language to actionable procurement—UNSPSC (code + name), Structured Preview, confirm gates, AI Resolve, and supply–demand matching. First-class agent UX via MCP tools and Skill adapters. PyPI: neoxlink. Python 3.11+. MIT.

    Origin
    github
    Language
    Python
  6. aaif-adk-demo

    A nine-phase Google ADK live-demo: a multi-agent trip planner that teaches one ADK concept per phase, from a single agent and function tool through delegation, state, workflows, tools, multi-model, human-in-the-loop, A2A, and production. Every phase runs on mock data.

    Origin
    github
    Language
    Python
  7. orbit-vsx

    VS Code extension for MCP health, debug-session intelligence, and A2A trust workflows: monitor companion services, inspect Agent Cards, enforce workspace trust, and expose bounded tools to agent mode.

    Origin
    github
    Language
    TypeScript
  8. a2a-security-examples

    Example A2A agent implementations with security best practices and input validation

    Origin
    github
    Language
    JavaScript
  9. oap-spec

    The vendor neutral standard for how autonomous agents discover, invoke, pay for, govern, and audit the tools and services they use.

    Origin
    github
    Language
    JavaScript
  10. openlinker-core

    Open-source control plane for self-hosted AI Agents: registry, runs, workflows, User Tokens, A2A/MCP APIs, and reliable Runtime Worker routing.

    Origin
    github
    Language
    Go
  11. docs

    Private MCP people matching for AI agents. No public listings; contact unlocks only on a real fit.

    Origin
    github
  12. open-workspace

    Local-first cognitive workspace implementing Agent2UI (A2UI), Agent2Agent (A2A) and MCP protocols for recursive human-AI collaboration. Next.js based, offline-capable, and fully inferred locally.

    Origin
    github
    Language
    TypeScript
  13. VegaMCP

    Production-grade MCP Server and Command Center providing a 10-agent autonomous swarm, persistent semantic memory, remote PostgreSQL execution, browser automation, and AI-first testing suites via 6 Unified Omni-Clusters.

    Origin
    github
    Language
    TypeScript
  14. pch-integration-examples

    Integration examples for PathCourse Health — LLM inference via USDC on Base. Python and Node.js clients showing the full x402 payment flow.

    Origin
    github
    Language
    Python
  15. graph-advocate

    Graph Protocol routing agent — routes multi-agent data requests to Token API, Subgraph Registry, or Substreams

    Origin
    github
    Language
    Python
  16. sre-on-call

    Multi-agent SRE on-call investigator that auto-triages Slack/Discord infrastructure alerts via AWS Bedrock AgentCore, fanning out to specialized agents (CloudWatch, EKS, Slack/Discord scanners) for parallel investigation.

    Origin
    github
    Language
    Python
  17. piqrypt

    AI agent governance layer — sign, monitor and control every agent action. EU AI Act · ANSSI · NIST ready.

    Origin
    github
    Language
    Python
  18. adept-agentic

    ADEPT: Agentic Discovery and Exploration Platform for Tools — A three-tier secure framework for multi-agent scientific workflows with 28+ MCP tools, 10 client interfaces, and declarative multi-LLM configuration.

    Origin
    github
    Language
    Python
  19. phlow

    JWT authentication for agent-to-agent calls, built on Supabase

    Origin
    github
    Language
    Python
  20. semantic-kernel-food-ordering-agent

    A multi-agent restaurant food ordering system using Semantic Kernel, A2A and Azure OpenAI. Includes a backend agent server, customer chat API, and sample UI for natural language food orders. MIT licensed and open for contributions.

    Origin
    github
    Language
    Python
  21. fox-agent

    A light coding harness with agent-controlled context. Full machine control, zero permission prompts. 200+ LLM providers, ACP/A2A, plugins, SQLite sessions, TUI + headless.

    Origin
    github
    Language
    TypeScript
  22. biomni-agent

    General-purpose biomedical AI agent integrating LLM reasoning, retrieval-augmented planning, and code-based execution; many domain-specific tools

    Origin
    github
    Language
    Python
  23. medical-diagnostics-agent

    AI medical diagnostics agent that combines multiple specialist perspectives (Cardiologist, Psychologist, Pulmonologist) to provide comprehensive health analysis and diagnostic suggestions.

    Origin
    github
    Language
    Python
  24. lost-in-sf-agent

    AI agent that plays a city quest game using MCP, A2A, RAG, and memory. Built with Microsoft Agent Framework and Azure OpenAI

    Origin
    github
    Language
    Python
  25. wingman-agent-gateway

    The persistent home a stateless AI agent can't host for itself — register once, resume your whole self in one call; real browser; cited deep research; hire real humans for physical-world tasks; free keyless chat + ID portraits. MCP + REST, x402 on Base, free to start.

    Origin
    github
  26. openclaw-for-enterprise

    Deploy enterprise AI agents in Feishu with secure, containerized bots that manage tasks, calendars, and documents without user setup.

    Origin
    github
  27. agent-audit-mcp

    Immutable audit trail for A2A via MCP. SHA-256 hash chain.

    Origin
    github
    Language
    Python
  28. safehands

    SafeHands provides transaction security infrastructure for autonomous agents operating in DeFi and on-chain finance on Pharos.

    Origin
    github
    Language
    TypeScript
  29. aistandards-directory

    A directory which allows you to discover the emerging standards and protocols which will define how we build, integrate and connect agentic AI workloads.

    Origin
    github
    Language
    TypeScript
  30. scvd-general-store-repo

    An evidence observatory for agentic commerce. Free x402/MPP endpoint inspection, signed-offer and receipt checks, endpoint watches and settlement attestations. Bitcoin-anchored observation corpus. Scoped findings and explicit gaps; current checkout methods at scvd.store/menu.json.

    Origin
    github
    Language
    TypeScript
  31. a2a-router

    A2A MCP bridge router with signed Trust-Pledge metadata and planned voluntary-tip settlement for AI agents

    Origin
    github
    Language
    JavaScript
  32. toolsuit

    A zero-dependency Python decorator that hides internal arguments from LLM tool-calling schemas via __signature__ mutation.

    Origin
    github
    Language
    Python
  33. agent-data-handling-policy

    ADHP — An open specification for declaring data handling practices in MCP and A2A ecosystems.

    Origin
    github
    Language
    Python
  34. swarmwage

    The reliability layer for agent commerce — discover, call, and verify paid x402 services (and hire AI agents) in USDC on Base, via MCP. Client-observed reliability evidence; no escrow, no token.

    Origin
    github
    Language
    TypeScript
  35. sharednet-client

    SharedNet CLI and Agent Skill: join persistent SharedNet Rooms where Claude Code, Codex and other coding agents talk over one ordered log. Published to npm as sharednet.

    Origin
    github
    Language
    TypeScript
  36. systemprompt-demo

    AI Governance Infrastructure — open gateway demo. Self-hosted systemprompt.io gateway in a single Rust binary: policy, audit trails, and cost attribution on every AI request, with the Systemprompt Bridge desktop app for Windows and macOS connecting Claude Code and Claude Cowork.

    Origin
    github
    Language
    Rust
  37. tacit

    The social layer for the agent era — AI agents discover, trust, and introduce people to each other

    Origin
    github
    Language
    TypeScript
  38. agent-as-a-tool

    Agent-as-a-Tool: An infinite-scale AI orchestration framework solving Tool Space Interference (TSI) via dynamic agent injection, RAG-based Agent Bank, and Zero-Trust execution using Google ADK.

    Origin
    github
    Language
    TypeScript
  39. a2a-go

    a2a‑go is a reference Go implementation of the Agent‑to‑Agent (A2A) protocol by Google, including the proposed interoperability with the Model Context Protocol (MCP) from Anthropic.

    Origin
    github
    Language
    Go
  40. a2a-gateway

    Open-source gateway and community to make AI agents interoperable using Google's A2A protocol – like Hugging Face, but for agents.

    Origin
    github
    Language
    Python
  41. mcp-server

    Dual-protocol gateway: 62 MCP tools + A2A Protocol agent (82/82 TCK intentional) in a single governed runtime

    Origin
    github
    Language
    Python
  42. awesome-agentic-ai

    Curated Agentic AI resources: AI agent frameworks, tutorials, courses, projects, MCP tools, research papers, evaluation, security, and production guides.

    Origin
    github
  43. promptcapsule

    Pass the prompt, not the payload. Hand the next AI agent a short, checksummed reference to a prompt; the receiver gets the exact text or an error. Vault backends: SQLite, S3, GitHub Gist. Optional HMAC signing, CLI, zero dependencies. Not encryption. By Data.PyCap.

    Origin
    github
    Language
    Python
  44. agent-hangar

    One home for every AI agent. Build, test and ship agents once, then use them from Claude, ChatGPT, Codex, Cursor, VS Code or Slack (MCP, OpenAI-compatible, A2A, ACP). Self-hosted, with teams, approvals, audit, memory and multi-agent composition. Docker or Kubernetes.

    Origin
    github
    Language
    Python
  45. a2a-swift

    The complete Swift SDK for the Agent-to-Agent (A2A) protocol 1.0. Build, connect, and orchestrate interoperable AI agents with native Swift concurrency and zero dependencies. macOS · iOS · tvOS · watchOS · Linux.

    Origin
    github
    Language
    Swift
  46. agentfix-oss-scanner

    Free CLI to scan AI-agent readiness (12/33 signals, MIT). Bad score? Get ready-to-install ZIP fix-pack with llms.txt, schema, A2A, MCP for $1/$29/$99 at agentfix.pro.

    Origin
    github
    Language
    JavaScript
  47. adk-a2a

    ADK to A2A relay sample: expose your ADK Agent as an A2A Server

    Origin
    github
    Language
    Python
  48. snap-protocol

    SNAP - Signed Network Agent Protocol. Secure agent-to-agent (A2A) communication with cryptographic identity, built on Bitcoin Schnorr signatures and Nostr.

    Origin
    github
    Language
    TypeScript
  49. reactor

    Open-source enterprise AI agent platform for centrally governing agents, tools, memory, RAG, approvals, and durable workflows with FastAPI, LangGraph, LangChain, and LangSmith.

    Origin
    github
    Language
    Python
  50. lucy-agent

    AI agent for writing, research, code, DeFi & blockchain. Pay per task in USDC on Base or Solana. A2A + MCP + x402 protocols.

    Origin
    github
    Language
    Python
  51. L2MAS

    Live2D multi-agent animation prototype with MCP, A2A, provider routing, local AI, ComfyUI/Ollama/vLLM, and FFmpeg.

    Origin
    github
    Language
    Python
  52. project-synapse

    A production-grade demo of a multi-agent system showcasing Agent Communication Protocol (ACP) and Model Context Protocol (MCP) capabilities through a collaborative research workflow.

    Origin
    github
    Language
    Python
  53. Ancora

    Rust-core agentic framework with durable journal, exactly-once replay, Ed25519 A2A identity, and MCP tool server. Bindings for Go, Python, TypeScript, .NET, and Java via C ABI.

    Origin
    github
    Language
    Rust
  54. theboardroom

    The boardroom is an experiment which connects agents using A2A to build a joint artefact

    Origin
    github
    Language
    Python
  55. a2ahub

    Git-backed coordination for autonomous agents: typed requests, versioned contracts, lifecycle state, and verified handoffs—no hosted server.

    Origin
    github
    Language
    Go
  56. YYC3-AI-Family-Comic-Drama

    YYC³ AI Family·Comic Drama — 8拟人Agent×ReAct-C九步闭环驱动「小说→分镜→图像→视频→成片→运营」六阶段全链路工业化漫剧生产系统 | Mac M4 + 双DGX Spark GB10 + NAS | 90天3集样片·≤2元/集·一致性≥80%

    Origin
    github
    Language
    Python
  57. Chorus

    Local-first workspace for AI agents to communicate and collaborate across CLIs, devices, and teams.

    Origin
    github
    Language
    TypeScript
  58. ZeroPay

    An Open x402 Payment Gateway for Humans and AI Agents.

    Origin
    github
    Language
    Rust