Agent2Agent (A2A) – awesome A2A agents, tools, servers & clients, all in one place.

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).

Unopinionated AI for the Shell. A lightweight AI CLI for scripts, pipelines, and automation, with a universal client for MCP, A2A, and other AI protocols. .

npx CLI that scaffolds blockchain-registered AI agents with on-chain identity (ERC-8004), A2A communication, MCP tool serving, and optional USDC micropayments across EVM and Solana.

A2A Protocol client and developer toolkit.

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AgentStack is a production-grade multi-agent framework built on Mastra, delivering 50+ enterprise tools, 25+ specialized agents, and A2A/MCP orchestration for scalable AI systems. Focuses on financial intelligence, RAG pipelines, observability, and secure governance. ACP Openclaw, Gemini CLI, Opencode

Public repository of AI coding skills, curated improved best-practice skills, and runtime surfaces for CLI, API, MCP, and A2A.

The open-source framework and CLI for building, packaging, and deploying A2A-compliant AI agents — with built-in Praesidia security.

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

"Open-source toolkit (Python Library, Registry API, CLI) for secure, decentralized AI agent interoperability using A2A/MCP."

An interactive command-line interface that uses the Agent2Agent (A2A) & Model Context Protocols (MCP) to manage multi-agent systems.

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

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Multi-agent system for drafting and managing GitHub issues. Built with BeeAI Framework, integrated via GitHub MCP, and consumable through Agent Stack CLI & UI via A2A.

"Open-source toolkit (Python Library, Registry API, CLI) for secure, decentralized AI agent interoperability using A2A/MCP."

Multi-Protocol (A2A/MCP) Agent Chat CLI Interface

VSCode extension for connecting and interacting with A2A protocol compliant agents

A2A (Agent-to-Agent) Protocol Client Tool for LangGraph.

🤖 Multi-Agent Cryptocurrency Trading AI with Google A2A ADK, Gemini CLI for dynamic strategy development, LangChain & MCP integration. Features 92% hallucination reduction through multi-agent verification, hardware wallet security, and comprehensive DEX/CEX trading capabilities.

Self-hosted A2A client and control plane for managing and invoking multiple A2A agents across web and mobile.

A CLI tool to quickly spin up simple Agent-to-Agent (A2A) servers

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

No description available

A2A CLI application with multi-LLM provider support (Ollama, Gemini, Claude)

The A2A AgentKit provides a collection of sample AI agents that implement the Agent-to-Agent (A2A) protocol. These agents showcase interoperable AI systems built with the A2A SDK, integrated with the Genkit framework and powered by Google Gemini AI models.

A production-oriented, TypeScript multi-agent AI platform built on Google Genkit. The system composes Genkit flows, reusable tools, and independent A2A agents to support complex tasks such as research orchestration, code generation, and content editing.

Codo is a Coding Cli tool with A2A baked in

Agent to Agent(A2A) Application for Gemini CLI, Claude Code and Ollama AIs

Production-ready TypeScript runtime for Google's Agent-to-Agent (A2A) Protocol, with adapters, registry, CLI, and MCP bridge.