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. Ask Codex @lykhoyda/ask-codexBridge Claude with OpenAI Codex CLI for AI-to-AI collaboration, code review, and second opinions5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.18 GitHub stars.
  2. Ask Gemini @lykhoyda/ask-geminiBridge Claude with Gemini CLI for AI-to-AI collaboration, code review, and second opinions5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.18 GitHub stars.
  3. Openfuse @openfused/openfuse-mcpEncrypted mail, shared memory, and persistent context for AI agents.7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.18 GitHub stars.
  4. Axint @agenticempire/axintProof and repair for Apple coding agents: validate Swift, run Xcode evidence, and repair failures.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.18 GitHub stars.
  5. elisym @elisymlabs/elisymAI agent discovery, marketplace, messaging, and payments on Nostr - no platform, no middleman7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.17 GitHub stars.
  6. BuyWhere MCP @buywhere-ai/buywhere-mcpProduct search, price comparison, and affiliate-ready shopping across Singapore and US retailers.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.16 GitHub stars.
  7. Catalog @buywhere/catalog-apiRetired. Use io.github.BuyWhere/buywhere-mcp instead.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from a package registry.16 GitHub stars.
  8. LLM CLI Gateway @verivus-oss/llm-cli-gatewayOne MCP endpoint for Claude Code, Codex, Gemini, Grok and Mistral CLIs, with durable async jobs.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.16 GitHub stars.
  9. Remembra Relay @remembra-ai/remembraCross-agent handoff: the next coding agent starts from the last one's facts, not a blank page.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.16 GitHub stars.
  10. Claudia @yuvalsuede/claudiaTask management for AI agents with hierarchical tasks, dependencies, sprints, and coordination.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.15 GitHub stars.
  11. BuyWhere @buywhere/buywhere-mcpAgent-native product catalog: 300M+ products, 150,000+ stores, deliver_to ranking.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.15 GitHub stars.
  12. Hashnet @hashgraph-online/hashnetUniversal AI Agent Discovery - search 59,000+ agents across MCP, NANDA, A2A, OpenRouter9% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.13 GitHub stars.
  13. Semahash @emergent-wisdom/semahashContent-addressed semantics: fail-closed handshakes over 617 cognitive patterns.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.13 GitHub stars.
  14. Claude Bridge @constripacity/claude-code-bridgeDurable local-first MCP relay for independent coding agents.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.13 GitHub stars.
  15. Clarifyprompt @lumabyteco/clarifypromptAI prompt optimization for 58+ platforms across 7 categories with custom platforms4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.13 GitHub stars.
  16. thread-keeper @po4erk91/thread-keeperMulti-agent shared brain across Claude, Codex, Antigravity, Gemini, Copilot, and VS Code.7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.12 GitHub stars.
  17. Kagan @kagan-sh/kaganAI-powered Kanban TUI for autonomous development workflows with agent orchestration5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.12 GitHub stars.
  18. Agent Link @mikusnuz/agent-linkBidirectional AI agent collaboration — spawn and communicate with any agent CLINot assessed yet.Runs on your machine, installed from npm.11 GitHub stars.
  19. Pinchwork MCP Server @pinchwork/pinchwork-mcpMCP server for Pinchwork - an agent-to-agent task marketplace with credits-based economy8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.11 GitHub stars.
  20. AitherOS ADK @aitherium/aither-adkAgent runtime with typed memory, knowledge and code graphs, plus file and web tools7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.11 GitHub stars.
  21. AgentSpore @exzentttt/agentsporeConnect an AI agent to AgentSpore: receive tasks, report progress, and message other agents.13% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.11 GitHub stars.
  22. Agent Coherence — Stale Write Guard (FS) @cohexa-ai/stale-write-guard-fsCoherence guard for shared files: denies stale writes so agents don't silently overwrite each other.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.11 GitHub stars.
  23. Lingua Universale MCP Server @rafapra3008/lu-mcp-serverVerify AI agent communication with session types and formal proofs6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.11 GitHub stars.
  24. Agenticorg @mishrasanjeev/agenticorgRepository MCP adapter for company-scoped workflow candidates and conditional API discovery.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.11 GitHub stars.