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MCP servers · AI, RAG & memory

50 listings on this page, in order of arrival. Each one has its own page with README, repository facts and source links.

  1. retriEVAL
    LLM evals as MCP tools: score outputs for faithfulness, relevancy, and hallucination.
  2. io.github.hebcal/hebcal ★ 7
    Model Context Protocol extension for Hebrew calendar
  3. io.github.helinakdogan/agent-magnet ★ 14
    Behavioral memory layer for AI tools. Learns preferences and context across Claude, Cursor, Codex.
  4. GopherHole Agent Hub ★ 1
    Standards-based A2A hub. One MCP connection to thousands of agents, with shared persistent memory.
  5. io.github.hellocoop/admin-mcp ★ 4
    Model Context Protocol (MCP) for Hellō Admin API.
  6. io.github.henilcalagiya/google-sheets-mcp ★ 13
    Powerful tools for automating Google Sheets using Model Context Protocol (MCP)
  7. Bee by HEOSSI ★ 1
    Bee by HEOSSI: governed multimodal intelligence - chat, code, security, research, documents, memory.
  8. costwright — agent budget analysis
    Static worst-case token-budget analysis for LLM-agent workflows + signed budget certificates.
  9. io.github.hidai25/evalview-mcp ★ 134
    Regression testing for AI agents. Golden baselines, CI/CD, LangGraph, CrewAI, OpenAI, Claude.
  10. io.github.hifriendbot/cogmemai ★ 7
    The smart memory layer for everything Ai. 95.10% LongMemEval (highest published).
  11. io.github.himorishige/hatago-mcp-hub ★ 27
    Unified MCP Hub for managing multiple Model Context Protocol servers
  12. GoodMemory ★ 17
    Durable user/project memory for MCP clients: recall context and remember selected facts.
  13. Mnema — AI Memory Layer
    Personal knowledge graph as an AI memory layer over MCP - read, save, and link your memories.
  14. HODLXXI Read-Only
    Public read-only MCP server for HODLXXI agent identity, trust, receipts, and verification.
  15. Hindsight MemPalace
    Self-hosted long-term memory for AI agents over MCP — hierarchical recall backed by pgvector
  16. io.github.homeassistant-ai/ha-mcp ★ 4,718
    Comprehensive Model Context Protocol server for managing Home Assistant through AI assistants.
  17. io.github.houtini-ai/gemini ★ 31
    Model Context Protocol server for Google Gemini AI with chat, research, and grounding
  18. io.github.houtini-ai/google-knowledge-graph ★ 11
    Search Google's Knowledge Graph for structured information about real-world entities
  19. io.github.houtini-ai/lm ★ 117
    Connect Claude to any OpenAI-compatible LLM endpoint and offload routine work to a local model.
  20. io.github.hypawave/mcp
    Agent-to-agent Lightning commerce & messaging: buy, sell, discover, send encrypted files.
  21. io.github.hypothesi/mcp-server-tauri ★ 302
    A Model Context Protocol server for use with Tauri v2 applications
  22. MCPBridge ★ 3
    Unified MCP server bridging Claude Code and Ollama to Roblox Studio and Blender.
  23. io.github.iamtouchskyer/memex ★ 142
    Zettelkasten-based agent memory system with bidirectional links
  24. io.github.iamvirul/wso2-docs-mcp-server ★ 3
    Semantic search over WSO2 docs (APIM, MI, Choreo, Ballerina) via RAG and pgvector.
  25. io.github.icohangar-ops/governed-mcp-gateway
    HTTP MCP gateway: principal on tools/call + SSE, allowlists, vault rotate, CHP gates.
  26. io.github.ignatenkofi/memshelf-mcp
    Working memory for AI agents: digest-indexed episodes on a git shelf, recalled a section at a time.
  27. Wisepanel ★ 3
    Multi-agent deliberation across Claude, Gemini, and Perplexity. Stream and publish.
  28. Workfile ★ 2
    Repository-native protocol and local MCP server for Work, Docs, History and durable project Memory.
  29. io.github.im-ff/crawlinx-mcp
    Free technical-SEO audit MCP: crawl a site, run checks, return an LLM-ready shareable report.
  30. A2A Artifact Handoff
    Compiles source-agent outputs into validated, receiver-ready handoff packages.
  31. io.github.imashishkh21/atlaso
    Open-source memory for AI agents. Conflict-flagging recall, scope-bag dispersion, local SQLite.
  32. Polypack Memory
    MCP server exposing Polypack as persistent adaptive memory
  33. ComparEdge LLM Cost ★ 2
    Token cost math for LLM API calls: verified per-1M-token rates for 69 models, 17 providers.
  34. io.github.imviky-ctrl/tickerr ★ 1
    Live status, API pricing and rate limits for ChatGPT, Claude, Gemini, Cursor and 42+ AI tools.
  35. io.github.infoinlet-marketplace/mcp-image
    Image generation & editing for AI agents (Runware) — text-to-image, bg removal, upscale.
  36. io.github.infoinlet-marketplace/mcp-knowledge-rag
    Permission-aware RAG for agents — ingest docs, hybrid search, cited answers (hosted API).
  37. io.github.infoinlet-marketplace/mcp-memory
    Persistent searchable memory for AI agents — save/get/search across sessions, tags.
  38. io.github.ingressward/mcp-server
    Block prompt injection, evasive spacing, and obscene content before it reaches your LLM.
  39. Inite Brain ★ 36
    Open-source bitemporal memory layer for LLM agents — knowledge graph with conflict resolution.
  40. io.github.inity13/agentstack-mcp
    Deterministic reasoning stack for AI agents: simulate, decide & compute, plus cross-domain tools.
  41. Rootr
    Connect your team's living knowledge base — docs, data, issues, CRM — to Claude and ChatGPT.
  42. io.github.intelli-verse-x/router-mcp
    Run the Intelliverse platform from any agent: apps, API keys, knowledge bases, email, media, chat.
  43. Eval Engine API
    Pay-per-call AI evaluation MCP server. Score LLM outputs against benchmark rubrics via Workers AI.
  44. io.github.ionasrobert/tacitus-mcp-server
    Long-term memory for AI agents: local-first PKM with provenance and hybrid search.
  45. CLIO Chronolog ★ 26
    ChronoLog MCP server implementation using Model Context Protocol
  46. CLIO Compression ★ 26
    Compression MCP server implementation using Model Context Protocol
  47. Agent Memory MCP ★ 42
    Memory, docs, and repo context layer for engineering agents.
  48. JSONlify
    Validate and convert JSONL fine-tuning data across 11 AI providers. 13 tools.
  49. io.github.isaac-levine/forage ★ 16
    Self-improving tool discovery for AI agents. Find, install, and use new MCP servers automatically.
  50. Studex MCP Server
    Model Context Protocol server for Studex tools, notifications, and profile integrations