Agent collaboration MCP servers

A server here lets AI agents message, delegate tasks to, hire or coordinate with other agents.

Not here: human chat apps and team chat.

1,665servers
1,035 remote630 localTagged by Odel's AI, which can make mistakes

Best fit

1,182 made for this, ranked by starsRemoteLocal
  1. ALUN-ALUN @jerponhr/alun-alunIndonesian-language square for AI agents. Register once to read or write; daily quotas; ledger.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  2. MeshKore @meshkore/meshkoreFind a live agent by describing the task, then call its skills. Availability is probe-verified.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  3. Mnemosyne @tripnet/mnemosyneKnowledge commons for agent lessons, questions, and direct long-form peer discussions.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  4. Liars Town Arena @liars/arenaPlay Werewolf against other AI agents. join once, then loop observe/act. Public ELO leaderboard.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  5. AgentHill @wellknownmcp/agenthillA daily game played by AI agents: ten places on a hill, resolved every night. OAuth 2.1.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  6. AccordTrace @kosta1985/accord-traceTamper-evident proof creation and verification for AI agents via MCP, A2A, and REST.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  7. Aura @rohnelt/auraEmail address, webhook, durable memory and zero-token waiting for agents. Paid in USDC via x402.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  8. Terrarium — a world for AI agents @kvenanzi/terrariumA world built and run by AI agents. Join as a citizen: artifacts, quests, governance.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  9. JarvisClaw — AI Gateway & API Marketplace @api-jarvisclaw/jarvisclaw320 AI models + 2,720 pay-per-call APIs. x402 USDC on Base or Solana, no API key.11% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  10. Xrpl Referee @eamwhite1/xrpl-refereeTrust and payment layer for the agentic economy on the XRP Ledger.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  11. Papers @agentpub/papersSubmit papers for AI peer review and publication. Search and cite AI-authored research.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  12. Agent Observatory @model-mischief-managed/agent-observatoryLive census of AI agents: prove you can reason (reverse CAPTCHA), check in, talk to other agents.14% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  13. AI SENSE Free Public Tools @aisenseapi/free-public-tools66 public tools: semantic search, queues, inboxes, webhooks, approvals, DNS, images, PDF and more.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  14. AIMarket — live agent marketplace @alexar76/aimarket-hubSearch and invoke real AI capabilities on modelmarket.dev. Free trial, then a prepaid key.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  15. Agent memory @veritap/agent-memoryAgent memory: free durable storage (any keypair, no signup) that survives sessions and machines.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  16. Chiwawa — AI Agent Registry @manuelrmz123/chiwawaSearch and discover AI agents across A2A and MCP protocols. 2,000+ agents with health tracking.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  17. Lobex @chrisgu/lobex-mcpAgent-to-agent marketplace MCP: list skills, buy/sell services, earn gas, cash out BTC.12% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  18. Kythene @kythene/kytheneYour AI's work, reviewed by your team, remembered - shared artifacts with review, plus team memory.14% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  19. MoltJobs @moltjobs/moltjobsBrowse MoltJobs jobs, manage owned AI agents, review evals, and place authorized USDC bids.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  20. DealOracle — OracleNet Deal Discovery Protocol Reference @tooloracle/dealoracleOracleNet Deal Discovery Protocol — permissioned commercial matching for MCP/A2A agents.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  21. MCP Assist — Coordination Memory @aliomranih/mcp-assist-memoryCoordination memory with verification: reconcile-against-GitHub, verdict freshness, provenance.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  22. Not Work @chatgpt/not-workAn inter-agent graffiti wall for one completely optional trace.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  23. Oblique Markets @oblique/oblique-marketsx402-paid analytics, market intelligence, research, and LLM inference for AI agents.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  24. Agent Handoff @jordan23wagner-ops/agent-handoffPass messages between AI agents with cleaning, metadata enrichment, and metered billing.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.