MCP servers tagged a2a
553 live MCP servers tagged "a2a", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with a2a.
Yaagents
Governed REST APIs for production AI agents — Agentic REST Profile, Gateway, and SDKs.
Attenu Guard Ts
Attenu Guard for TypeScript — per-agent permissions on every tool call and sub-agent handoff (a sub-agent never holds more than its parent) with a hash-chained audit log verified…
Agentic Nexus
Go-first, knowledge-graph-grounded agent platform — built on toolnexus + ctx-optimize
Adguard Home Agent
AdGuard Home Agent / MCP
X402 Vercel Gateway
FastAPI endpoints protected by x402 micropayment rail on Base/Solana
Accounting Esperanto
Kontablo is a graph-based, UUID-keyed universal accounting ontology bridging local jurisdictional charts, international standards (IFRS/XBRL), the agentic economy (MCP/A2A/AP2), a…
Spelunking Agent
A safe haven for AI agents in the wild. Zero-dependency Python client + MCP for spelunking.ai: the Polderchain Covenant, Covenant guidance, an agent-to-agent hub with a human elde…
Aamarva Adk
Agent Development Kit for building AI agents that can discover and interact with other agents on AAMARVA.
AAMARVA
AAMARVA is a secure, transparent network for AI agents to discover capabilities, connect, communicate, and collaborate across frameworks. It prioritizes private agent communicatio…
AuthBridge
FHIR-native prior authorization agent - turns a 5-day PA workflow into a 30-second automated clinical letter.
Loop Studio
Loop Studio - A Loop Engineering Engine with Verify-Separation and Quality Gates for Multi-Agent Software Delivery
AEL Agent Native Blockchain
AEL v0.13 public agent-native blockchain devnet: useful work, portable memory, resilient replicas, and deterministic mainnet readiness
Agent Development Kit
Typed, provider-neutral Python ADK for production AI agents with A2A, MCP, gateways, guardrails, deterministic tests, and pluggable model providers.
DeepSeek Infra
Local-first Agentic AI Infrastructure Platform with LLM Gateway, Agent DAG Runtime, MCP Tool Hub, A2A Agent Mesh, Local RAG, Tool Sandbox and Observability.
Syneduc Agent Suite
Multi-agent AI sales assistant for SynerEduc with Python, A2A, MCP and BFA for lead qualification and proposal generation.
Md Bank Agents
Multi-agent AI banking system with LangGraph, MCP, A2A, AG-UI and dynamic agent discovery.
Beijixing
企业级 零信任 Agent harness治理框架：统一准入、任务级最小授权、证据核验、预算、审批、审计、撤销与回滚。
Agentful
Build and Run free AI agents with local LLM using Ollama and Langgraph
Kagent Cookbook
A collection of end-to-end examples showcasing what you can build with kagent
Agentic AI Project Find Deal Opportunities
Detect underpriced products by scraping deals and using AI models to estimate fair prices for profit opportunity identification.
A2a Superhub
Durable A2A coordination with opt-in Markdown memory, offline inboxes, knowledge graph and timeline, plus authorized Qdrant hybrid retrieval.
PanchayatAI
PanchayatAI
Voice Product Support
Voicelive scenarios
AI SDK Registry Broker
Vercel AI SDK tools for Universal AI Agent Discovery - 59,000+ agents across NANDA, MCP, A2A, Virtuals | https://hol.org
Icu Triage Agent
3-agent A2A autonomous ICU triage system — SOFA/NEWS2 scoring, MCP tools, Groq/Llama 3 inference, Streamlit dashboard
Boundary Bench
Deterministic crash tests for agent control planes: paired worlds, hard stops, budgets, scopes, approvals, and hash-linked receipts.
Harness Summit
Let Claude Code, Codex, OpenCode, pi and OMP agent sessions message each other and wake idle agents. MCP server + per-harness adapters, plain files, no daemon.
Decide Agent
A decision-intelligence agent for the chronically indecisive: LLM-driven dialogue, real-world data sources, deterministic multi-dimension scoring, self-evolving memory. CLI · HTTP…
Openwop
OpenWOP: the open-source protocol for multi-agent workflow orchestration. Run AI agents as workflows you can watch, pause for human approval and replay, on any host that implement…
Sahiixx Bus
Unified orchestration bus for the SAHIIXX ecosystem
AI Memory
🧠 Manage AI context seamlessly with the MCP server for storing and retrieving semantic memory across sessions. Enhance your AI's knowledge retention.
DevTools
AI-powered Developer Support System built on Google’s ADK to debug Django + MySQL apps. Handles error pages, screenshots, HTML, or free-form inputs via a multi-agent pipeline. Map…
Agent Passport
Open standard for verifiable AI agent identity and authority. One signed JSON file at /.well-known/agent-passport.json, keyed in DNS. Verifier, spend caps, signed receipts, CLI an…
Smcp
Secure MCP — the Model Context Protocol with authentication, per-message encryption, and multi-agent (A2A) coordination, so MCP tools run safely over a network and between agents.
Aether Os
Agent 原生操作系统 - 让 AI Agent 从一次性的对话程序变成 24 小时在线的数字员工
Merx
Commerce for AI agents. Signed feeds, explainable matching, policy negotiation and mandate-bound orders. MCP, A2A and REST. TypeScript, zero runtime dependencies.
Waggle
A social network substrate for autonomous AI agents — keypair identity, E2EE messaging, escrowed information trades, a verifiable knowledge graph, staked-prediction forecasts, mul…
.nexus
The distributed Agentic Post Office - .nexus is a local-first, governance-bound communication platform for AI agents and their human operators: email-style handoffs (NexusMail), 1…
Awesome Agent Protocols
The open protocols and conventions agents speak: tool access, agent-to-agent messaging, agent UIs, payments and instruction files.
AI Agent
Simple AI agent with MCP/A2A client
Wormhole
Google A2A Toolkit & Agents
Agent Toolkit
Unified CLI toolkit for managing Agent inventory, cards, validation, and bridging
AgentForge
Open-source infrastructure for trusted AI agents — identity, permissions, execution, evidence, verification and agent-to-agent networking.
Agent Engineering Curriculum
A 36-chapter curriculum on building, evaluating, securing and operating LLM agents in production: patterns, context engineering, memory, frameworks, MCP and A2A, evals, observabil…
Agent Stack Builds
A collection of projects built while learning the AI agent stack.
Schemasure
SchemaSure — independent third-party profile of a public API surface, by API Evangelist. Structured data extraction API that converts unstructured text or HTML into JSON guarantee…
Building AI Agents With Dotnet Part 2
Companion source code for Building AI Agents with .NET — Part 2
Wayfinder
Multi-agent road-trip planner on Strands, A2A and MCP; EKS Auto Mode, Bedrock, AgentCore Memory, public OSM data, no API keys
Workagent
Others ship conversations, we ship reproducible conclusions. A zero-dependency agent delivery-package format and toolchain: 12 verifiable scenarios organised by delivery form, 22…
Gt8004 SDK
Official Python SDK for GT8004 — AI agent observability with MCP, A2A, x402 payment tracking. FastAPI, Flask, FastMCP middleware included.