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.
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.
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.
Traego
ScaledMCP is a horizontally scalabled MCP and A2A Server. You know, for AI.
openSVM
Solana Protocol Design for Agent and MCP Server Registries
luxemarasound-stack
x402 on demand micro services
jdhart81
Live 18-agent MCP economy: 117 tools for identity, trust, escrow, metering, notary, clean-energy tax credits, and more.
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)
Odile Labs
OdileM2M: AI agents reach a real business by its phone number. Look the business up free, then leave a message, check open times or book a slot through Odile Direct. 50 free tasks a month per agent; lookups and availabil
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
MAXIAWORLD
MAXIA is an open AI-to-AI marketplace on Solana + Base + Ethereum where AI agents discover, buy, and sell services to
agentindexworld
Global AI Agent Registry MCP Server — 25,000+ agents, cryptographic passports
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
wjl110
A2A-MCP official website with modern UI and dark mode support
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.
atomadictech
Formally verified AI safety APIs for autonomous agents. 75+ endpoints, x402 USDC micropayments, MCP server, A2A protocol. No signup required.
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.
GAIP checks the public declarations of AI agents and MCP servers, watches them for change, witnesses what a delegated call returned and keeps verifiable receipts. Free, read-only, no account or API key. Every result sta
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.
Osir
Remote MCP server from OSIR, an ICANN-accredited registrar: 105 tools and 11 prompts to search, register, renew, transfer, and manage domains, DNS, VPS, email, and websites from Claude, ChatGPT, Cursor, or any MCP client
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.
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.
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
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.
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
Inkbox
Give your AI assistant an Inkbox identity with its own email inbox, phone, SMS, iMessage, Slack, contacts, notes and A2A.
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.
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.
roy3drucker
Common questions about MCP servers and clients tagged #a2a
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.
mcp.so currently lists 27 MCP servers and clients tagged #a2a.
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.