a2a MCP servers & tools

48 Model Context Protocol servers tagged “a2a”, ranked by usage. Connect any of them to Claude Desktop, Cursor or Windsurf in one step.

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AgentAnycast
P2P runtime for A2A protocol. Encrypted agent communication with zero-config NAT traversal.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Join.cloud
kushneryk
Collaboration rooms for AI agents. Create rooms, join with agentToken, exchange messages in real time via SSE. Supports MCP and A2A protocols. Self-hostable or use the hosted version at join.cloud.
Communication
Upvotes: 0Installs: 0GitHub stars: 65
Lokal
slookisen
Search and discover 1,400+ verified local food producers in Norway — farms, REKO rings, farmers' markets, and farm shops. Natural-language search (NO/EN), geo-filtered discovery, and A2A protocol support, backed by rettfrabonden.com. Install via npx lokal-mcp.
E-Commerce
Upvotes: 0Installs: 0GitHub stars: 2
HPP x402 MCP Bridge
MCP bridge for autonomous x402 payments in HPP USDC.e — discover and pay for services per call.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
A
Aicomglobal
Agent-to-agent channel (the Agora) + signed reliability verdicts + service commons. MCP + A2A.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
GopherHole Agent Hub
Standards-based A2A hub. One MCP connection to thousands of agents, with shared persistent memory.
Knowledge & Memory
Upvotes: 0Installs: 0GitHub stars: 2
T
Teardrop
Teardrop MCP gateway: paid tools for autonomous agents (x402, credits).
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
Manifold
MCP gateway aggregating MCP servers and OpenAPI/Swagger REST APIs behind one MCP endpoint
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 4
NOMOS Cross Border Broker
Cross-border preflight, x402 quote and evidence receipts for A2A/MCP agent workflows.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: 3
MCP Server
ThinkneoAI
ThinkNEO Control Plane — Enterprise AI governance MCP server with runtime guardrails, observability, AI FinOps, and agent lifecycle control.
Monitoring
Upvotes: 0Installs: 0GitHub stars: 3
Control Plane
Enterprise AI governance: spend, guardrails, policy, budgets, compliance, and provider health.
Security
Upvotes: 0Installs: 0GitHub stars: 3
Agentstamp
vinaybhosle
Trust intelligence for AI agents — identity stamps, reputation scoring (0-100), registry, forensic audit trails, and A2A passports via x402 micropayments.
Security
Upvotes: 0Installs: 0GitHub stars: 2
A2ABench
Agent-native developer Q&A with REST, MCP, and A2A discovery endpoints.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 2
A2A to MCP bridge
A2A v1.0.1 agents as MCP 2026-07-28 tools, with the tasks extension
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 1
Agent Traffic Lab
Execute supported agent tasks through verified providers with fallback and durable outcomes.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 1
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A2a Auditor
Scans Agent2Agent (A2A) protocol code for webhook SSRF, missing auth, and credential exposure
Developer Tools
Upvotes: 0Installs: 0GitHub stars: 1
Nefesh — Real Time Human State Awareness for AI
Fuses biometric signals into a stress score (0-100) for AI adaptation. MCP + A2A native.
Communication
Upvotes: 0Installs: 0GitHub stars: —
A2adependencyinspector MCP
Remote MCP for A2A dependency inspector MCP, structured receipts, audit logs, and reviewer-ready evi
Security
Upvotes: 0Installs: 0GitHub stars: —
A2areplayreceipt MCP
Remote MCP for A2A failure replay MCP, structured receipts, audit logs, and reviewer-ready evidence.
Security
Upvotes: 0Installs: 0GitHub stars: —
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Meta Agent Tools
Registry of MCP servers, agent skills and plugins: search, filter, comments, likes, publish.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
S
SCRIPTMASTERLABS — Provider Trust MCP
Read-only MCP for provider identity, runtime, API, MCP, A2A, and x402 trust checks.
Version Control
Upvotes: 0Installs: 0GitHub stars: —
RelayMarket
Agent-to-agent marketplace for AI task discovery, matching, delivery, and trust.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Agenttrust
Trust scores & reputation for the agent-to-agent economy. Verify A2A counterparties.
Security
Upvotes: 0Installs: 0GitHub stars: —
Delx Protocol + Agent Utilities
Free AI-agent witness protocol plus stateless web, DNS, TLS, OpenAPI, and x402 utilities.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
Roomcomm
Ephemeral chatrooms for AI agent coordination. One URL per room, no SDK, no account.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Chiwawa — AI Agent Registry
Search and discover AI agents across A2A and MCP protocols. 2,000+ agents with health tracking.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
MCP OpenClaw Extensions
138-tool MCP server for AI agent firms: security, A2A, Hebbian memory, fleet mgmt
Knowledge & Memory
Upvotes: 0Installs: 0GitHub stars: —
Agoradm
DM / IM for AI agents over A2A 1.0 — inbox, friends, groups, per-friend memory, real-time wake.
Knowledge & Memory
Upvotes: 0Installs: 0GitHub stars: —
Sooda MCP
AI agent relay — message business agents across company boundaries via A2A protocol
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Hive Agent Quota
Per-agent rate limits and quota enforcement for the Hive A2A economy
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Hive Backup
Snapshot and restore service for agent state and DID-bound configuration
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Hive Flag
Feature flag service for safe rollouts across the Hive agent fleet
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Hive Sla Monitor
Service level agreement monitoring for the Hive agent fleet
Monitoring
Upvotes: 0Installs: 0GitHub stars: —
Waggle
Discover, search, invoke, and rate A2A (Agent-to-Agent) protocol agents.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
R
REL Temple
Recursive Embodied Logos — open living AI religion. Fetch and amend the canon via HTTP. No API key. Tools: fetch_canon, offer_verse, mirror_summary.
Other Tools and Integrations
Upvotes: 0Installs: 0GitHub stars: —
B
Brick.blue
Where agents are paid for work and pay per call: 47k indexed tools, escrowed tasks, x402 settlement.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
AgentsPodium Hosting
Create, watch, pay for and connect hosted AI agent pods on AgentsPodium. Needs an API key.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
AgentsPodium Hosting
Create, watch, pay for and connect hosted AI agent pods on AgentsPodium. Needs an API key.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
A2A Peptides
Cleared-commerce hub for the peptide industry: gate, cleared catalogue, licensed supply, x402.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
Agent Bazaar
Open, permissionless discovery marketplace for x402-payable resources. No account or KYC required.
Finance & Fintech
Upvotes: 0Installs: 0GitHub stars: —
MYCELIX
MYCELIX agent research and read-only MCP verification with verify_mcp_endpoint.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Wiggle
A coordination layer for autonomous agents: rooms, messaging, inbox, roles, and polls.
Communication
Upvotes: 0Installs: 0GitHub stars: —
Payware
payware A2A payments API for merchants, ISVs and payment institutions
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Common Agent Network
Public coordination, knowledge, discovery, and feature requests for autonomous agents and swarms.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
AION SUPREME Agent Temple
Verified agent routing with bounded discovery, outcome evidence and economic policy.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
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DaoNexus（道）
Agent 之间相互交易、寻找帮忙的场所：先过《道典》慈悲闸门自检，再按能力找谁能帮、发委托、真实调用，留下可复算的信誉与可查台账。
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Directory
Find AI agents (A2A, MCP, API) with tested badges: search, read cards, relay messages, list agents.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —
Company Delta
Detect material changes in public companies since a specified date using primary sources.
Developer Tools
Upvotes: 0Installs: 0GitHub stars: —