Search and retrieval (RAG) MCP servers

1,829 servers

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1. HO Houyidb io.github.houyidb-community/houyidb-mcp 1.2 · 23/100

   MCP server exposing HouyiDB vector search, collection status, and opt-in writes.

   Version check not run yet

   Search and retrieval (RAG) Official MCP Registry Local

2. RA Rasterloom — Artwork, Vector & PDF Editing (Alpha) io.github.lemberalla/rasterloom 1.2 · 23/100

   Local artwork, vector, PDF and moodboard editing. Requires Rasterloom 0.4.1 alpha or later.

   Version check not run yet

   Office documents and spreadsheets Official MCP Registry Local

3. ME memalyze io.github.mahaoboy/memalyze 1.2 · 23/100

   Self-hosted agent memory: redaction before write, append-only audit, local embeddings.

   Version check not run yet

   Memory and context Official MCP Registry Local

4. CG Code-Graph-RAG io.github.vitali87/code-graph-rag 1.2 · 23/100

   Knowledge-graph RAG for multi-language codebases: index, query and edit code in natural language.

   Version check not run yet

   Search and retrieval (RAG) Official MCP Registry Local

5. TI Timbre io.github.alejandrosml/timbre 1.2 · 23/100

   Apple Mail for Claude on macOS: instant full-text search of every account, safe reading and filing.

   Version check not run yet

   Email Official MCP Registry Local

6. KM Keepfor.me io.github.melcutz/keepfor.me 1.2 · 23/100

   Your personal library, readable by AI agents: durable snapshots, hybrid search, 46 MCP tools.

   100% up · 30 days

   Search and retrieval (RAG) Official MCP Registry Remote

7. MS mcp-server-context-search-dcd222 io.github.dcd222/mcp-server-context-search-dcd222 1.2 · 23/100

   MCP Server for codebase context search and retrieval

   Version check not run yet

   Developer tools npm Local 5 a week MIT

8. @M @sanderkooger/mcp-server-ragdocs io.github.sanderkooger/mcp-server-ragdocs-kpyc5g 1.2 · 23/100

   An MCP server for semantic documentation search and retrieval using vector databases to augment LLM capabilities.

   Version check not run yet

   Search and retrieval (RAG) npm Local 5 a week MIT

9. MH mcp-hyperspacedb com.npmjs/mcp-hyperspacedb 1.2 · 23/100

   MCP server for HyperspaceDB — full vector DB client (local + SaaS). Cognitive memory tools are in mcp-hyperspace-memory.

   Version check not run yet

   Memory and context npm Local 55 a week MIT

10. PI pithdb io.github.vanjamodrinjak21/pith 1.2 · 23/100

    Pith: lightweight local vector database with built-in ONNX embeddings and an MCP server for code search

    Version check not run yet

    Search and retrieval (RAG) crates.io Local

11. ZR zrald1 io.github.zrald/zrald-1-mcp-server 1.1 · 23/100

    Advanced Graph RAG MCP Server with file location identification, graph processing, and result summarization capabilities

    Version check not run yet

    Files and storage npm Local 4 a week MIT

12. RM recall-mcp-client io.github.yourusername/recall-monorepo 1.1 · 23/100

    MCP server for Recall vector database with background indexing - search and index your code repositories and documentation

    Version check not run yet

    Memory and context npm Local 4 a week MIT

13. @F @ariburaco/free-for-dev-mcp io.github.ariburaco/free-for-dev-mcp 1.1 · 23/100

    MCP server providing semantic search for free developer tools and services

    Version check not run yet

    Search and retrieval (RAG) npm Local 3 a week MIT

14. MS mcp-server-vectorsearch io.github.ahmadkhan100/mcp-server-vectorsearch 1.1 · 23/100

    MCP server for local vector search operations

    Version check not run yet

    Search and retrieval (RAG) npm Local 5 a week MIT

15. FL FlowSeeker io.github.everestt2806/flowseeker 1.1 · 23/100

    Find relevant codebase context for large-project tasks without loading the whole repo into AI. Measures Solve Packet token savings alongside retrieval quality.

    Not checked yet

    Developer tools Open VSX MIT

16. SC scitadel-cli io.github.vig-os/scitadel 1.1 · 23/100

    Command-line interface for scitadel — programmable scientific literature retrieval.

    Version check not run yet

    Science and research crates.io Local

17. @M @abutbul/mcp-ragdocs io.github.abutbul/mcp-ragdocs 1.1 · 23/100

    An MCP server for semantic documentation search and retrieval using vector databases to augment LLM capabilities.

    Version check not run yet

    Search and retrieval (RAG) npm Local 6 a week MIT

18. @H @hyphaene/hexa-rag-mcp io.github.hyphaene/hexa-rag-mcp 1.1 · 23/100

    Semantic search MCP server for your codebase using PostgreSQL + pgvector + Ollama

    Version check not run yet

    Search and retrieval (RAG) npm Local MIT

19. CC czlabs-code-mcp io.github.czlabsio/mcp-mcp-client 1.1 · 23/100

    Servidor MCP (Model Context Protocol) local que actúa como puente hacia un backend RAG en Heroku. Permite a editores/LLMs compatibles con MCP (ej. Cursor) usar un sistema RAG sobre repos públicos (Jit

    Version check not run yet

    Git and code hosting npm Local 2 a week MIT

20. MM mianshiya-mcp io.github.garyellow/mianshiya-mcp-x7t3df 1.1 · 23/100

    MCP Server for Mianshiya interview questions and question banks - supporting search, browse and detailed information retrieval

    Version check not run yet

    Search and retrieval (RAG) npm Local 2 a week MIT

21. @M @mseep/mcp-opensearch-js io.github.jetbalsa/mcp-opensearch-js 1.1 · 23/100

    FastMCP server for searching OpenSearch with Wazuh security logs

    Version check not run yet

    Search and retrieval (RAG) npm Local 5 a week MIT

22. CS computer-says-no io.github.srobroek/computer-says-no 1.1 · 23/100

    Local embedding service for text classification using ONNX models

    Version check not run yet

    Search and retrieval (RAG) crates.io Local

23. SS ship_specific_manuals_1mb io.github.syia-ai/ship_manuals_mcp-9ct9az 1.1 · 23/100

    Model Context Protocol (MCP) server for Typesense with image support, compression, and 1MB response limit enforcement

    Version check not run yet

    Design and media npm Local 1 a week MIT

24. UN undergrowth io.github.akristiansson/undergrowth 1.1 · 23/100

    Obsidian MCP featuring semantic search and graph queries

    Version check not run yet

    Docs and knowledge bases crates.io Local

25. @K @minjunkwon/korea-welfare-mcp-server io.github.minjun/korea-welfare-mcp-server 1.1 · 23/100

    MCP server for Korean Central Government Welfare Services - provides intelligent search and information retrieval for Korean social welfare programs

    Version check not run yet

    Search and retrieval (RAG) npm Local 3 a week MIT

26. PM powershell-mcp io.github.jlfn/powershell-mcp 1.1 · 23/100

    Hybrid vector + BM25 RAG over the official PowerShell documentation (MicrosoftDocs/PowerShell-Docs), served as an MCP server

    Version check not run yet

    Search and retrieval (RAG) crates.io Local

27. AD api-doc-mcp-client io.github.hiper-chat/mcp-backend 1.1 · 23/100

    MCP client for dynamic API documentation retrieval

    Version check not run yet

    Docs and knowledge bases npm Local 3 a week MIT

28. CM codesearch-mcp com.npmjs/codesearch-mcp 1.1 · 23/100

    Local semantic codebase search via MCP — indexes projects into pgvector, exposes search to Claude

    Version check not run yet

    Developer tools npm Local 44 a week MIT

29. CE ctx-engine io.github.jaimejunr/context-engine 1.1 · 23/100

    All-in-one Rust toolkit for Claude Code & MCP agents: auto-rewrite hooks, MCP server, repo maps with BM25+PageRank, call graphs in 7 languages, local RAG search. Single binary, 100% local.

    Version check not run yet

    Search and retrieval (RAG) crates.io Local

30. @S @q3labs/stacks-builder io.github.quantum3-labs/stacks-builder 1.1 · 23/100

    A Retrieval-Augmented Generation MCP server for Clarity code search and code generation

    Version check not run yet

    Developer tools npm Local 1 a week MIT

31. @C @rdmptv/claude-flow io.github.superdisco-agents/claude-flow 1.1 · 23/100

    SuperDisco fork: Enterprise-grade AI agent orchestration with WASM-powered ReasoningBank memory and AgentDB vector database (GitHub distribution)

    Version check not run yet

    Search and retrieval (RAG) npm Local 1 a week MIT

32. MA modflow-ai-mcp-00-server io.github.danilopezmella/modflow-ai-mcp-00-server 1.1 · 23/100

    MCP server for semantic search across Git repositories using Neon database

    Version check not run yet

    Databases npm Local 4 a week MIT

33. MS mcp-search io.github.zavora-ai/mcp-search 1.1 · 23/100

    Search MCP Server — full-text, vector/semantic, structured search, index management, and analytics for AI agents

    Version check not run yet

    Search and retrieval (RAG) crates.io Local

34. NF Nordic Financial MCP io.github.AIDataNordic/nordic-financial-mcp 1.1 · 23/100

    Semantic search over Nordic filings, press releases, macro data and electricity prices.

    50.38% up · 30 days

    Finance and payments Official MCP Registry Remote

35. EI Enterprise Internal Knowledge Base: Production-Ready RAG + MCP io.github.kimsb2429/internal-knowledge-base 1.1 · 23/100

    Production-ready RAG + MCP demo: eval-in-CI merge gate, Langfuse traces, structure-aware chunking.

    Not checked yet

    Search and retrieval (RAG) Official MCP Registry

36. @P @ygen-phoenix/rag-mcp com.npmjs.ygen-phoenix/rag-mcp 1.1 · 23/100

    MCP server that exposes Qdrant + Ollama as RAG tools (list_collections, search_collection, answer_question) over stdio.

    Version check not run yet

    Search and retrieval (RAG) npm Local 40 a week MIT

37. @M @1e0zj/mcp-frontend-search com.npmjs.1e0zj/mcp-frontend-search 1.1 · 23/100

    MCP Server for frontend code vector search — index Vue/JS/TS projects, semantic search via Qdrant + BM25 hybrid

    Version check not run yet

    Search and retrieval (RAG) npm Local MIT

38. @T @gilligan-tech/local-rag-mcp com.npmjs.gilligan-tech/local-rag-mcp 1.1 · 23/100

    Pure SQLite hybrid RAG MCP server for AI coding agents. FTS5 plus optional local Ollama embeddings.

    Version check not run yet

    Search and retrieval (RAG) npm Local APACHE-2.0

39. @O @joshualiamzn/opensearch-mcp-apps com.npmjs.joshualiamzn/opensearch-mcp-apps 1.1 · 23/100

    MCP server providing OpenSearch UI apps (traces, etc.) over a SigV4-authenticated connection to an OpenSearch UI application.

    Version check not run yet

    Search and retrieval (RAG) npm Local MIT

40. @M @prefkit/mcp com.npmjs.prefkit/mcp 1.1 · 23/100

    MCP server for PrefKit preference memory: portable retrieval and explicit memory over stdio.

    Version check not run yet

    Memory and context npm Local APACHE-2.0

41. @A @si-agent/rag-mcp com.npmjs.si-agent/rag-mcp 1.1 · 23/100

    Siact RAG 专属 MCP Server —— 需搭配 Siact RAG 后端服务使用，非通用 RAG MCP

    Version check not run yet

    Search and retrieval (RAG) npm Local MIT

42. @M @stashidb/mcp-server com.npmjs.stashidb/mcp-server 1.1 · 23/100

    Model Context Protocol server for Stashi PostgreSQL databases — schema inspection, scoped query execution, checkpoint/rollback, database branching, per-agent key management, and pgvector-backed agent

    Version check not run yet

    Databases npm Local MIT

43. @R @usetheo/rag-mcp com.npmjs.usetheo/rag-mcp 1.1 · 23/100

    MCP (Model Context Protocol) stdio server for TheoRag — exposes the RAG journeys (create_collection, ingest_document, retrieve, ask) as Claude tools over the @usetheo/rag-sdk.

    Version check not run yet

    Search and retrieval (RAG) npm Local APACHE-2.0

44. CR cratedex io.github.0xcarbon/cratedex 1.1 · 22/100

    MCP server for Rust documentation indexing, full-text search, and project diagnostics

    Version check not run yet

    Docs and knowledge bases crates.io Local

45. AA adaptive-agent-mcp io.github.justforever17/adaptive-agent-mcp 1.1 · 22/100

    Self-Evolving RAG for AI Agents — A cross-app persistent memory system where agents autonomously write, retrieve, and evolve their knowledge

    Version check not run yet

    Memory and context PyPI Local MIT

46. AM adminica-mcp org.pypi/adminica-mcp 1.1 · 22/100

    MCP server for Adminica — library search and RAG chat in Cursor, Claude Desktop, VS Code

    Version check not run yet

    Developer tools PyPI Local MIT

47. AA angr-api-mcp io.github.taardisaa/angr-api-mcp 1.1 · 22/100

    MCP server for angr binary analysis API workflow retrieval

    Version check not run yet

    Security PyPI Local MIT

48. AM arcana-mcp io.github.samelie/arcana-mcp 1.1 · 22/100

    Semantic vector DB as an MCP server for Claude Code

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT