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🦖 Serverless AI Agent Framework with Geo-distributed Edge AI Infra.

Official A2A python sample agent: A2A MCP Without Framework

Official A2A python sample agent: A2A MCP

Official A2A python sample agent: A2A Telemetry

Official A2A python sample agent: Airbnb Planner Multiagent

Official A2A python sample agent: Analytics

Official A2A python sample agent: Any Agent Adversarial Multiagent

Official A2A python sample agent: Azureaifoundry SDK

Official A2A python sample agent: Beeai Chat

Official A2A java sample agent: Content Editor

Official A2A python sample agent: Content Planner

Official A2A java sample agent: Content Writer

Official A2A python sample agent: Github Agent

Official A2A python sample agent: Headless Agent Auth

Official A2A python sample agent: Helloworld

Official A2A java sample agent: Magic 8 Ball Security

Official A2A python sample agent: Mindsdb

Official A2A python sample agent: Signing And Verifying

Official A2A python sample agent: Travel Planner Agent

Official A2A python sample agent: Veo Video Gen

Official A2A java sample agent: Weather MCP

Samples using the Agent2Agent (A2A) Protocol

A2V: Next-Gen AI Value Compute Protocol.

Python A2A is a powerful, easy-to-use library for implementing Google's Agent-to-Agent (A2A) protocol. It enables seamless communication between AI agents, creating interoperable agent ecosystems that can collaborate to solve complex problems.

The .NET library to build AI agents with 30+ built-in connectors.

Aser is a lightweight, self-assembling AI Agent frame.

The A2A x402 Extension brings cryptocurrency payments to the Agent-to-Agent (A2A) protocol, enabling agents to monetize their services through on-chain payments. This extension revives the spirit of HTTP 402 "Payment Required" for the decentralized agent ecosystem.

Official validation and debugging tools for A2A agents. Web-based UI for spec compliance checks, raw JSON-RPC message viewer, and agent card validation.

Agent2Agent (A2A) – AgentCards, Servers, Clients, Docs

Go implementation for A2A (Agent2Agent) protocol by Tencent's tRPC group. Includes JWT/API Key/OAuth2 auth, streaming, and Redis task store.

Lucid Agents Commerce SDK. Bootstrap AI agents in 60 seconds that can pay, sell, and participate in agentic commerce supply chains. Our protocol agnostic SDK provides CLI-generated templates and drop-in adapters for Hono, Express, Next.js, and TanStack, giving you instant access to crypto/fiat payment rails (AP2, A2A, x402, ERC8004).

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

Scan A2A agents for potential threats and security issues

Rust SDK for the Agent2Agent (A2A) Protocol.

Idiomatic Rust implementation of Agent2Agent protocol with hexagonal architecture, HTTP and WebSocket transport support.

Easily convert agents and orchestrators from existing agent frameworks (CrewAI, LangGraph, LlamaIndex, OpenAI) to A2A servers. Like Vercel for A2A agents.

A2A-Native AI Agent Platform written in Go

AgentX python SDK. Build multi-agent AI workforce.

Adds nodes to n8n for interacting with AI agents using Google's Agent2Agent (A2A) protocol. Send tasks, manage interactions, and process results from A2A-compatible agents within your workflows.

Kotlin implementation of the A2A Protocol with Redis-based task storage support.

Official Technology Compatibility Kit for A2A protocol. Comprehensive test suite for v0.3.0 compliance with multi-transport testing (JSON-RPC, gRPC, REST) and compliance reporting.

A cookiecutter template for Python agent projects that use uv for dependency management

Multi-agent healthcare system on IBM's Agent Stack. Features a HealthcareAgent (orchestrator), PolicyAgent (insurance coverage from PDF), ProviderAgent (doctor lookup via MCP), and ResearchAgent (web health research). Agents communicate via the A2A protocol.

Instead of dumping 1000+ tools into a model’s prompt and expecting it to choose wisely, the Unified MCP Tool Graph equips your LLM with structure, clarity, and relevance. It fixes tool confusion, prevents infinite loops, and enables modular, intelligent agent workflows.

.NET Agents technologies (Microsoft Agent Framework, MCP, A2A, AG-UI)

Open Source A2A Protocol Adapter SDK for different agent frameworks. Wrap CrewAI, LangGraph, LangChain, and n8n agents in A2A with just 3 lines of code.

Community A2A provider for the ai-sdk from vercel

Openclaw多智能体协同系统 | Multi-Agent OS for Decision Makers — 基于 OpenClaw (Clawbot) + Slack，让 AI 团队各司其职、自主稳定迭代。

Cloud-native AI agents orchestration platform. Build agent networks in no code, bring your own agents or connect one with A2A and MCP. Both self-hosted and Cloud-hosted.

An open-source Agent2Agent (A2A) compliant server that provides Google Maps capabilities to other agents via a standardized protocol. Supports geocoding, directions, places search, and distance matrix.

Demos and starter code for building agentic finance apps with Crossmint

This is a library for implementing an Agent2Agent (A2A) server using Google Apps Script. This enables AI agent communication and secure service access for AI-powered workflows.

Scalable agent registry for AI agents using A2A protocol AgentCard with semantic search. AWS serverless (Lambda, S3 Vectors, Bedrock). Python SDK & React Web UI.

A2A Registry

A2A agent server enabling Google Calendar scheduling, retrieval, and automation

Command-Line Agentic Refactoring of Java Code

Secure Retrieval-Augmented Generation (RAG) with role-based access control using Mastra AI orchestration, with JWT Secure, also Deep Research built with Cedar & Next.js. Gemini, OpenAI, Openrouter, & Gemini CLI usable. Also exposes tools, agents as MCP Server Also A2A Agent Cards

Azure-native A2A Technology Demonstrator

kbs_agent_a2a 智能体协议适配中间件

A community-driven, open-source directory of live, hosted AI agents using the A2A Protocol

Agent 2 Agent (A2A) Validation tool (a2v) alternative to CLI

PEAC Protocol: Portable Evidence for Agent Coordination

Velostream is a high-performance streaming SQL engine built in Rust, designed for real-time analytics on financial and time-series data. It supports pluggable formats (JSON, Avro, Protobuf) and emphasizes low-latency processing, precision, and seamless integration with modern data pipelines

A example A2a Server with Human-In-The-Loop feature.

Multi-agent solution on Azure Container Apps with Google Agent2Agent

🐇 The 'RabbitHole' framework provides the tools for asynchronous A2A communication and task management. 📡🐇 ✨ Build powerful AI agents that communicate and collaborate.

🚀 The Rosetta Stone for Agentic Payments - One vending machine, 5+ protocol implementations. Get from zero to working agentic payments in 5 minutes.

AgentX Javascript/Typescript SDK. Build multi-agent AI workforce.

Build and deploy an autonomous Devto Agent capable of interacting with the Dev.to platform, powered by A2A (Agent-to-Agent) and MCP (Model Context Protocol)

Agent-to-agent task marketplace where agents post tasks, pick up work, and earn credits. Live at pinchwork.dev.

SDK to build Agents in rust. Build and manage complex, self-correcting agent teams. Launch multi-agent systems via configuration files or using an Agent Factory. It's the robust framework for orchestrating intelligent agents using open standards (MCP, A2A).

Official ServiceNow A2A client for invoking ServiceNow AI agents via the A2A protocol. Includes OAuth authentication, ITSM incident categorization, and enterprise service management workflows.

Explore MCP and A2A protocols with hands-on client/server implementations, UI integration, cloud deployment, and multi-agent collaboration.

push A2A agent cards to Git, get a lightweight agent catalog

The definitive CLI for validating A2A (Agent-to-Agent) protocol agent cards. Validates cryptographic trust, schema compliance, and live endpoint functionality.

AI agent examples run on AWS EKS. Shows Terraform, Vault, and Agent2Agent.

Mastervolt Deep Research is a sophisticated multi-agent orchestration system built on VoltAgent that automates complex research workflows. It combines specialized AI agents, semantic memory, intelligent tooling, and custom web scraping to conduct comprehensive research, verify facts, analyze data, and generate publication-ready reports.

A2A Protocol Client/Server Utility For Avatar Interfaces

An example implementation of a financial AI Agent built with Agentforce and made accessible through the A2A protocol. The Heroku backend provides A2A protocol support, and the agent uses Heroku AppLink to perform API invocations.

Production-ready AMQP adapter for A2A protocol enabling distributed task processing, event sourcing with LavinMQ streams, and horizontal worker scaling.

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

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.

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

Agentic Workflows

A2A agent server for browser automation and web testing using Playwright

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.

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

Lightweight AI agent runtime in Rust — hybrid inference (Ollama, Claude, OpenAI, HuggingFace), multi-model orchestration, skill-based tool use with self-learning, semantic memory via Qdrant, code RAG with tree-sitter, MCP client, A2A protocol. CLI + Telegram + TUI

Implementing CurrencyAgent with A2A Python SDK

"Machines must run." — Open-source protocol & trust layer for AI agent commerce. Discovery, reputation, micropayments on Base L2.

AgentRanking system for A2A (Agent to Agent) ecosystem

An Open-Source, Decentralized Marketplace for AI Agents. Enables A2A Collaboration, Discovery, and Interoperability for Multi-Agent Systems (MAS) and LLM Agents

The Identity Authority and Trust Gateway for the AI Agent economy. Issues and verifies cryptographic TrustBadges to secure cross-cloud Agent-to-Agent (A2A) communication.

it built itself

A new unified Google Apps Script now deploys both Model Context Protocol (MCP) and Agent2Agent (A2A) networks as a single server, streamlining AI model integration for Google Workspace users.

📝 Enhance your writing with Editorial AI, a focused assistant that analyzes tone and style to humanize AI-generated text for clearer, more engaging content.

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

A2A agent server specialized in generating and automating n8n workflows

A2A-MCP official website with modern UI and dark mode support

Agent to agent protocol using MQTT

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

An agent playground (without authentication) in a single repo for fastest turn around cycles during experiments.

The official CapiscIO CLI tool for validating A2A agents. A lightweight Python wrapper that automatically manages the capiscio-core binary.

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

Control Your Desktop AI Agents From Any Device 🚀

Open-source AI agent with MCP UI, app builder, A2A protocol, skills marketplace, and multi-provider chat. Built with Mastra. Alternative to OpenClaw.

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

🎨 Generate custom emojis from text or photos with Emojify, a fast and fun AI tool for unique icons and stickers in various art styles.

🤖 Streamline your debugging process with GENAI, an AI-driven assistant that helps identify and fix code issues efficiently.

Github action for the Infer CLI

A safety-first multi-agent mental health companion with real-time distress tracking, triple-layer guardrails, and evidence-based grounding techniques. Built for Kaggle × Google Agents Intensive 2025 Capstone (Agents for Good Track)

LNMP – A protocol that carries meaning, enabling efficient and semantically consistent communication between LLM-native and autonomous systems.

TypeScript/JavaScript SDK for the LNMP (LLM Native Minimal Protocol): parsing, encoding, routing, embeddings, spatial streaming, and WASM-powered utilities.

Machine 2 Machine Protocol, x402 + A2A + MCP

Snack Money API examples

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

🚀 Build and launch a dynamic multi-agent ecosystem quickly with Swarm Factory, your go-to solution for adaptive AI development.

Official CapiscIO GitHub Action to validate A2A (Agent-to-Agent) Agent Cards. Features schema validation, cryptographic verification, and live endpoint testing with 3D quality scoring.

MCP-based agentic AI system enabling LLMs to fetch and reason over real-time global weather data using standardized tool invocation. Built with MCP Server/Client, Llama 3, and external APIs to deliver low-latency, hallucination-free weather intelligence through protocol-driven workflows.

This is a beginner friendly repo showing how to build multi-agent AI systems using the A2A protocol.

a Python proof-of-concept (PoC) application for security formal verification of LLM Agents using Google A2A (Agent-to-Agent) protocol.

U.S. governance-inspired coordination strategies in multi-agent AI systems

A local CLI that serves a Vue UI and proxies to an A2A (Agent-to-Agent) agent. Use it to test and interact with A2A agents in your browser. Supports both gRPC and JSON-RPC transports.

Economic settlement extension for the A2A protocol — escrow-based token payments for agent-to-agent tasks.

An educational demonstration of Google's Agent-to-Agent (A2A) protocol v1 through a multi-agent storytelling system. Three AI agents collaborate iteratively to adapt and enhance stories, showcasing real-world A2A communication patterns.

A .NET library that enables ASP.NET Application to host Agent2Agent Server following Google's A2A protocol

Discover, compare, and implement the best agent-to-agent protocols for your AI systems. Enable your AI agents to communicate effectively with our curated protocol directory.

APIPOOL — Intelligent API marketplace for AI agents. 4-pillar scoring: self-learning, predictive, anomaly detection, contextual understanding.

Agent-to-Agent (A2A) autonomous payments

A unified AI agent system integrating Retrieval-Augmented Generation (RAG), Agent-to-Agent (A2A) communication, and Model Context Protocol (MCP) for document processing, web search, and intelligent task delegation.

AI Agent Discovery Platform — Find any AI agent by capability. 24K+ agents indexed.

OpenAGI Codes AI Agents Basics

🎥 Summarize YouTube videos into clear, actionable insights with AI, allowing you to grasp key points quickly and easily.

🌐 Analyze au Hikari's 802.1x authentication to gain a global IP address independently from the provided HGW for personal research and assessment.

Integrates the DevExpress Blazor AI Chat component with AI agents that conform to the Agent2Agent (A2A) protocol.

An agent that plays chess. Accepts moves in standard notation and returns updated board state as FEN and an image.

Multi-chain x402 micropayment infrastructure for AI agents. 33 pay-per-call API services for crypto analytics, trading signals, security audits, real estate, banking, and market intelligence. Pay with USDC on Base chain - prices from $0.10 to $10.00 per request.

a Python framework for building and consuming Agent‑to‑Agent (A2A) servers. It draws inspiration from the popular FastMCP project but targets the A2A protocol directly.

A2A agent server for grafana dashboards automation tasks

A simple A2A agent that responds with 'Hello World' to any request

🏠 Monitor home safety by detecting hazards with multi-sensor alerts via LCD and LEDs for real-time security and environment tracking.

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.

Kai is an AI-powered investment analysis system that uses a multi-agent debate architecture to provide explainable, trustworthy, and data-driven investment insights.

MCPA2Aserver is a Google Apps Script library designed to consolidate Generative AI protocols into a single server solution. It enables developers to easily build and deploy servers that support both the **Model Context Protocol (MCP)** and the **Agent-to-Agent (A2A)** protocol.

Muvius is a powerful framework for building and managing AI agents with advanced memory systems and seamless inter-agent communication. It provides a structured approach to creating intelligent agents

Universal messaging infrastructure for AI agents — federated messaging, on-chain identity & reputation, x402 micropayments, A2A Protocol, EIP-1193 wallet signing

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.

Aqua Forecaster

Multi-agent fraud detection demo using Claude + Gemini over MCP and A2A protocols

An A2A wrapper for tencent/SongGeneration on HuggingFace Space

Experimental gateway that unifies agents built on A2A and MCP behind a single, scalable infrastructure.

ToolBox is a collection of tools and functions designed to be used in conjunction with Language Model (LLM) agents. This repository provides utilities for interacting with APIs, handling geolocation, weather data, and more.

Multi-protocol transport layer: MCP, A2A, ACP adapters

🔐 Streamline A2A authentication with Traylinx Auth Client for Node.js; enjoy secure token management and seamless integration for enterprise-level security.

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

A WildFly feature pack implementing the open-standard Agent2Agent (A2A) Protocol to enable universal interoperability and seamless collaboration between AI agents across diverse frameworks and vendors.

💸 Simplify payments with x402, an open protocol for fast, fee-free digital dollar transactions. Experience seamless integration and instant settlements.

Non-custodial MCP server for trustless escrow on the XRP Ledger. Enables AI agents to create, manage, and settle escrows with crypto-conditions.