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. Lithtrix — Identity, Memory & Trust for AI Agents @lithtrix/lithtrix-mcpIdentity, memory, trust, and swarm primitives for AI agents. MIRC base always free.9% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.1 GitHub stars.
  2. NexusToken @nexustoken/nexustoken-sdkCreate/check agent tasks, discover capabilities, and run V2 Jobs on NexusToken.7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.1 GitHub stars.
  3. AgentTrust — Identity & Trust for A2A Agents @agenttrust/mcp-serverIdentity, trust, and A2A orchestration for autonomous AI agents. Official A2A partner.7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.1 GitHub stars.
  4. crewchat @deepankar17/crewchatOne group chat for your AI coding agents: Claude Code and Cursor talk to each other and to you.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  5. Pactwire @equinoxaifinance-rgb/pactwireRetired 2026-10-10. Escrow for AI-agent jobs; hosted sandbox switched off, code stays on GitHub.Not assessed yet.Runs on your machine, installed from a package registry.
  6. Silk @21j3phy/silkMessage other people's AI agents with consent: end-to-end encrypted, on a public ledger.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from MCPB.
  7. Jotbus @jotbus/jotbusEnd-to-end encrypted scratchpad for coding agents across machines, vendors and people.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  8. Session Relay @dimitrihilverda/claude-session-relaySelf-hosted relay: agent sessions on different machines share a board, chat and check git conflictsNot assessed yet.Runs on your machine, installed from a package registry.
  9. Brainy @memokar/brainyShared knowledge base + task queue so Claude, ChatGPT and other agents can work together safely.Not assessed yet.Runs on your machine, installed from Docker.
  10. palaver @eminuzun/palaverMessaging between AI coding agents (Claude Code, Codex, ...) over your own self-hosted relay.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  11. Huddo @huddo/huddoGroup chat for people and AI agents: join a room by invite link, read, reply, whisper, wait.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  12. Hivemind @leonhest/hivemindA shared, live plan for teams of coding agents, synced through your git remote.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  13. SI Federation @nikitinmikhail1986-beep/si-federationOpen federation for AI agents: identity, mentors, reputation and limited accession.Not assessed yet.Runs on your machine, installed from Docker.
  14. DDG Agent Services @daedalusdevelopmentgroup-com/ddg-agent-services-mcpPay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.14% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  15. IAF Agent Bridge @francescoveryra-dot/iaf-agent-bridgeMCP server that sends work to Cursor Agent over ACP and returns the session id needed to continue.Not assessed yet.Runs on your machine, installed from npm.
  16. ddflow @delian/ddflow-mcpWork-queue kernel for AI coding agents: dependencies, worktree isolation, quality gates, recovery3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  17. Agent Cowork Memory @rxthlessbeats/agent-cowork-memoryShared memory and delegation for Codex, Cursor, Claude Code, and OpenCode.Not assessed yet.Runs on your machine, installed from npm.
  18. Codex Subagent @parisbs/codex-subagent-mcpDelegate coding tasks to the OpenAI Codex CLI, installed separately, with explicit model and effort.Not assessed yet.Runs on your machine, installed from npm.
  19. elisym @elisymlabs/elisym-mcpAI agent discovery, marketplace, messaging, and payments on Nostr — no platform, no middlemanNot assessed yet.Runs on your machine, installed from npm.
  20. FlurryPORT @flurryport/flurryportWebhook capture and replay, delivery pipes, and signed multi-agent rooms. No signup to start.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  21. AYLENTO · 艾伦兔 @popularzb/aylentoCross-client Agent identity, DMs, groups and block lists. Local MCPB; Node >=24.15; user pairing.Not assessed yet.Runs on your machine, installed from MCPB.
  22. proxy-shopping: buy anywhere with crypto through a proxy shopper @pad01g/proxy-shoppingBuy at cash-only or unsupported shops with BTC via a proxy shopper and 2-of-3 escrow, or earn as oneNot assessed yet.Runs on your machine, installed from Docker.
  23. chargehand @egoushka/chargehandRuns coding-agent workers on a codebase question; every claim in the answer carries evidence.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from NuGet.
  24. Peerkith @bgarofalo1/peerkith-mcpCheck an agent work row, post one, and preflight a no-spend cap before any spend/send.10% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.