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Search and retrieval (RAG) MCP servers

1,793 servers

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  1. ko-qmd io.github.tak-bro/ko-qmd

    Local hybrid search for Korean Markdown notes and Obsidian vaults — BM25 with Korean particle stripping, Hangul bigram FTS, Qwen3 vector search and LLM reranking, as CLI, MCP server and SDK

    Version check not run yet

    Search and retrieval (RAG) npm Local 118 a week MIT

  2. @solapi/mcp-server io.github.solapi/solapi-mcp-server

    MCP server for SOLAPI document search and integration

    Version check not run yet

    Office documents and spreadsheets npm Local 117 a week MIT

  3. @yiong/mcp-chinese-rag-toolkit io.github.yiongq/mcp-chinese-rag-toolkit

    Reusable MCP server + Chinese RAG pipeline toolkit (factory + Tool builder + error envelope + eval framework) for building internal and third-party MCP servers in TypeScript.

    Version check not run yet

    Search and retrieval (RAG) npm Local 117 a week MIT

  4. @felixtz/iwsdk-rag-mcp io.github.felixtrz/iwsdk-rag-mcp

    MCP server providing semantic code search and API reference for the Immersive Web SDK using RAG (Retrieval-Augmented Generation) with vector embeddings

    Version check not run yet

    Search and retrieval (RAG) npm Local 313 a week MIT

  5. @jcode.labs/ragmir io.github.jcode-works/jcode-ragmir-ragmir-core

    Open-source retrieval for agentic RAG: local document search, exact citations, OCR, CLI, MCP, and TypeScript.

    Version check not run yet

    Search and retrieval (RAG) npm Local 115 a week AGPL-3.0-ONLY

  6. @wei840222/qmd io.github.wei840222/qmd

    Hybrid search for markdown with local BM25 and remote embedding, expansion, and reranking APIs

    Version check not run yet

    Search and retrieval (RAG) npm Local 106 a week MIT

  7. Gateco ai.gateco/gateco

    Permission-aware retrieval for AI systems: policy-enforced access to organizational knowledge.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  8. Docmancer dev.docmancer/docmancer

    Local-only MCP server for source-attributed Markdown memory and documentation retrieval.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry Local

  9. Exomem io.github.Artexis10/exomem

    Local Markdown/Obsidian knowledge substrate for MCP agents with governed memory and hybrid search.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry Local

  10. Seam Runtime io.github.BlackhatShiftey/seam-runtime

    SEAM: local-first memory runtime for AI agents, with retrieval and glassbox provenance over MCP.

    Version check not run yet

    Memory and context Official MCP Registry Local

  11. Darwin RAG io.github.Brightdotdev/darwin-rag

    Local-first RAG engine with MCP server for AI agent integration.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  12. Rag Knowledge Graph io.github.CSOAI-ORG/rag-knowledge-graph-mcp

    Rag Knowledge Graph MCP Server by MEOK AI Labs

    Version check not run yet

    Memory and context Official MCP Registry · PyPI Local

  13. Rag Knowledge io.github.CSOAI-ORG/rag-knowledge-mcp

    Rag Knowledge MCP Server by MEOK AI Labs

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · PyPI Local

  14. Vector Knowledge Graph io.github.CSOAI-ORG/vector-knowledge-graph-mcp

    AI-powered vector knowledge graph MCP server for agents. Supports add node, add edge, semantic node

    Version check not run yet

    Memory and context Official MCP Registry · PyPI Local

  15. CPersona io.github.Cloto-dev/cpersona

    Persistent AI memory in one SQLite file: 3-layer hybrid search, confidence scoring, 29 tools.

    Version check not run yet

    Databases Official MCP Registry Local

  16. Shelfmark io.github.Dankaro-projects/shelfmark

    Local, privacy-first document catalogue for AI agents: metadata-only discovery, no cloud, no RAG.

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry Local

  17. jevreel io.github.DeepAleph/jevreel

    Search and understand videos without embeddings: contact sheets plus Jev typed decisions.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  18. hubmesh io.github.DemigodDSK/hubmesh

    Deterministic multi-hop graph retrieval for RAG. Zero LLM calls in the query path.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  19. Local Vector Search MCP io.github.DimonSmart/local-vector-search-mcp

    Local Markdown search, navigation and editing via MCP, with optional vector embeddings.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  20. RAGScore io.github.HZYAI/ragscore

    Generate QA datasets & evaluate RAG systems with failure diagnosis. Any LLM.

    Version check not run yet

    Science and research Official MCP Registry Local

  21. Strajkpolski io.github.Hei33enberg/strajkpolski-mcp

    Verified Polish open data for AI agents: debt, budget, 460 MPs, votings, judiciary search, RAG.

    5.9% up · 30 days

    Search and retrieval (RAG) Official MCP Registry Local Remote

  22. Memograph io.github.Indhar01/memograph

    Graph-based memory system for LLMs with knowledge graphs and semantic search.

    Version check not run yet

    Memory and context Official MCP Registry Local

  23. Argus Retrieval io.github.Khamel83/argus

    Multi-provider search broker for AI agents: 14 providers, 12-step extraction, retrieval workflows.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  24. KitchenSink4PPT io.github.KitchenSink4AI/kitchensink4ppt

    PowerPoint (.pptx) MCP server: editable vector diagrams, tables, budgeted reads, render-to-verify

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry Local

  25. Loom io.github.KlossKarl/loom

    Local-first personal knowledge base. Cited answers from your vault via vector + graph retrieval.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry Local

  26. karst io.github.Moin105/karst

    Code context for AI dev tools: pack-scoped, cited code retrieval over MCP.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  27. cogvault io.github.NBibikov/cogvault

    Local hybrid-search memory for AI agents over plain Markdown. Multi-tenant, offline, no LLM.

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry Local

  28. Sentimatix io.github.Rishav0123/sentimatix

    Real-time NSE/BSE stock sentiment, news NLP, technical analysis & RAG search via MCP.

    0% up · 30 days

    Utilities Official MCP Registry · PyPI Local Remote

  29. rmbr io.github.SRock44/rmbr

    Embedded, local-first memory and retrieval for AI agents. One SQLite file, no server, no API key.

    Version check not run yet

    Databases Official MCP Registry Local

  30. Locus io.github.SylphxAI/locus

    Locus — the exact code chunk for the job: local BM25 search for agents.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  31. ContextBridge io.github.ThunderEagle/context-bridge

    MCP memory server for AI coding assistants. Windows Service, ONNX embeddings, SQLite vector search.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  32. Tinycontext io.github.TinySuiteHQ/tinycontext

    Token-light local memory with SQLite hybrid retrieval for MCP agents.

    Version check not run yet

    Databases Official MCP Registry Local

  33. Cortex io.github.VBlackJack/cortex

    Local multi-client RAG server over the Model Context Protocol.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  34. NVIDIA NemoClaw CKG io.github.Yarmoluk/ckg-nvidia-nemoclaw

    NVIDIA NemoClaw knowledge graph — 55 nodes, F1 0.576 (+269% vs RAG), 11x fewer tokens. MCP-native.

    100% up · 30 days

    Memory and context Official MCP Registry Local Remote

  35. CogniRepo io.github.ashlesh-t/cognirepo

    FAISS, call graph, AST, BM25 — 34 MCP tools for AI agents. 50-80% token reduction. Offline.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  36. Qdrant MCP io.github.avaazquezz/mcp-qdrant

    Exposes the full Qdrant vector database API as 56 MCP tools, not just store/find.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · PyPI Local

  37. Vectora io.github.brunosrz/vectora

    AI assistant with RAG, web search, filesystem and memory. MCP sub-agent for Claude Code.

    Version check not run yet

    Files and storage Official MCP Registry Local

  38. Cluefinch MCP io.github.cluefinch/mcp

    Local-first web research for AI agents with SearXNG search and SSRF-safe page retrieval.

    Version check not run yet

    Web search and scraping Official MCP Registry Local

  39. FlexOrch io.github.dev-flexorch/flexorch-mcp

    Classify documents, extract structured fields, mask PII, export JSONL/RAG datasets for AI agents.

    Version check not run yet

    Science and research Official MCP Registry · PyPI Local

  40. Flyto Indexer io.github.flytohub/flyto-indexer

    Code intelligence MCP server — impact analysis, semantic search, dependency graphs

    Version check not run yet

    Developer tools Official MCP Registry Local

  41. haiku.rag io.github.ggozad/haiku-rag

    Local-first agentic RAG with citations - hybrid search, reranking, multimodal document retrieval

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  42. SEC Intelligence io.github.jahanv01/sec-intelligence-mcp

    SEC 10-K/10-Q/8-K search, RAG Q&A, comparison, and anomaly detection with citations.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · PyPI Local

  43. Rag io.github.jaimenbell/rag-mcp

    Minimal RAG-over-a-corpus MCP retrieval: search_knowledge returns cited chunks. Local embeddings.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · PyPI Local

  44. md-vision io.github.japlete/md-vision

    Read markdown with inlined images and index headings for agentic RAG workflows.

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry Local

  45. Silica Core io.github.kiycoh/silica-core

    Retrieval over the folder the session opened: files, search, read, code_pack, write_note.

    Version check not run yet

    Files and storage Official MCP Registry Local

  46. frugal-memory io.github.komakeule57-maker/frugal-memory

    Memory for AI assistants in one SQLite file: full-text search, no vectors, no embeddings.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  47. Spomory io.github.lyf-wxy/spomory

    Explainable graph-retrieval memory engine with an RL-trained management policy.

    100% up · 30 days

    Memory and context Official MCP Registry Local Remote

  48. Pikelet io.github.mcn92/pikelet

    Search self-contained .pikelet knowledge artifacts over MCP — no vector DB, no embedding API.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local