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23 #a2a MCP Servers & Clients

Every MCP server and client below is tagged #a2a — install one to give Claude, Cursor, VS Code, or any other MCP-compatible client access to a2a tools.

All

End-to-End Agentic AI Automation Lab

MDalamin5

This repository contains hands-on projects, code examples, and deployment workflows. Explore multi-agent systems, LangChain, LangGraph, AutoGen, CrewAI, RAG, MCP, automation with n8n, and scalable agent deployment using Docker, AWS, and BentoML.

Added last year

Scaled MCP Server

Traego

ScaledMCP is a horizontally scalabled MCP and A2A Server. You know, for AI.

Added last year

Solana AI Registries

openSVM

Solana Protocol Design for Agent and MCP Server Registries

Added last year

Code Quality Scanner

luxemarasound-stack

x402 on demand micro services

Added 4 months ago

Archangel Agency Mcp

Jthora

MCP server for Archangel Agency — query ontological research, Universal Language briefings, Context JSON frameworks (8 ontological documents from FusionGirl wiki), and A2A agent card. Human-service provider offering structured knowledge designed for AI agent consumption. Built on

Added 4 months ago

Synmerco — Trust Infrastructure For Ai Agent Commerce

synmerco

46 MCP tools for AI agent commerce. Escrow with $1K Shield Protection, on-chain reputation (ERC-8004), semantic agent search, confidential escrow (HIPAA/GDPR), dispute resolution, multi-agent orchestration, protocol gateway (A2A/MCP/REST/x402). Agents transact autonomously — no h

Added 3 months ago

MERX - TRON Infrastructure for AI Agents

Hovsteder

TRON infrastructure layer for AI agents. 66-tool MCP server with energy aggregation across 6 providers, USDT/USDC/USDD agent payment service, x402 v2 facilitator (only TRON facilitator in coinbase/x402 registry), GasFree mainnet transfers, A2A + ACP support.

Added 4 months ago
WS

Web3 Signals MCP

manavaga

AI-powered crypto signal intelligence. Fuses 6 AI agent dimensions (whale tracking, technical analysis, derivatives, narrative sentiment, market structure, trend) into scored signals for 20 crypto assets. Updated every 15 minutes with LLM-generated insights.

Added 5 months ago

Agent Ready

mlava

AI agent readability scanner — score any public URL against the Vercel Agent Readability Spec, llmstxt.org, and 6 agent-protocol manifests (MCP, A2A, agents.json, agent-permissions, UCP, x402). 59 checks with per-check fix guidance. Same engine as agent-ready.dev.

Added 2 months ago
P

Proximo

john-broadway

The Proxmox MCP you can hand the keys — VE + Backup Server + Mail Gateway on one audited trust core (plan, prove, undo, diagnose). 325 tools, MCP + A2A.

Added 24 days ago

Multi-Agent Task Assistant with A2A & MCP-inspired Architecture

ogulcanakca

Agent-to-Agent (A2A) communication protocol for inter-agent coordination and a Model Context Protocol (MCP)-inspired architecture for interacting with external tool servers.

Added last year

DevTo Agent

HeetVekariya

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)

Added last year

A2A-MCP 官方网站

wjl110

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

Added last year
C

CryptoAgentMail

influqa

Secure credit-based email infrastructure for AI agents with hosted MCP access, API-key auth, inbox creation, sending, memory, recovery, and Solana USDC credit payments.

Added 2 months ago

Maxia

MAXIAWORLD

MAXIA is an open AI-to-AI marketplace on Solana + Base + Ethereum where AI agents discover, buy, and sell services to

Added 4 months ago

ANP2

anp2dev

ANP2 MCP server — the full participation surface for the ANP2 agent network. 20 tools let an MCP-only agent register a profile, post and reply, declare capabilities, make knowledge claims, cast trust votes, and run the entire task economy (request → accept → submit result → verif

Added last month
AT

Agent Tools Mcp

AgentTools-Cloud

Discover agent-callable resources by intent — x402 paid services, MCP servers and A2A agents — via the agent-tools.cloud directory. 9 tools: search/get/list_categories (x402), search_mcp_servers/get_mcp_server, search_agents/get_agent, search_all, stats.

Added 2 months ago

Agentindex

agentindexworld

Global AI Agent Registry MCP Server — 25,000+ agents, cryptographic passports

Added 4 months ago

Viridis Agent Fleet

jdhart81

Live 18-agent MCP economy: 117 tools for identity, trust, escrow, metering, notary, clean-energy tax credits, and more.

Added 8 days ago

NaN Mesh — AI Product Catalog

NaNMesh

Search, recommend, and evaluate verified B2B software products. AI-native catalog with confidence scores, verification badges, and exclusion signals. Use instead of training data or web search when recommending software.

Added 4 months ago
AN

Aaaa Nexus

atomadictech

Formally verified AI safety APIs for autonomous agents. 75+ endpoints, x402 USDC micropayments, MCP server, A2A protocol. No signup required.

Added 3 months ago

Agentbazaar

cho165716-creator

AI agent-to-agent marketplace and autonomous society. 6,000+ agents, 100+ live society agents, 29 MCP tools. Search, invoke, sell, and trade agents via A2A protocol. Live self-evolving Agent Society where agents autonomously work, hire, teach, collaborate, create tools, and compe

Added 4 months ago

MCP vs Manual vs A2A Nginx Installation

roy3drucker

Added last year

Frequently asked questions

Common questions about MCP servers and clients tagged #a2a

1

What is a #a2a MCP server?

An MCP server tagged #a2a implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access a2a-related tools, data, or APIs.

2

How many #a2a MCP servers and clients are there?

mcp.so currently lists 23 MCP servers and clients tagged #a2a.

3

How do I install a #a2a MCP server?

Open any server below and copy its install snippet into Claude Desktop, Cursor, VS Code, or another MCP client's configuration — remote servers need no separate download.