Search and retrieval (RAG) MCP servers

1,821 servers

Index your own content and search it by meaning (retrieval-augmented generation, RAG).

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1. @M @elastic/mcp-server-elasticsearch io.github.elastic/mcp-server-elasticsearch

   Elasticsearch MCP Server

   Version check not run yet

   Search and retrieval (RAG) npm Local APACHE-2.0

2. SR Srclight io.github.srclight/srclight

   Deep code indexing for AI agents. FTS5 + embeddings + call graphs + git intelligence. Fully local.

   Version check not run yet

   Search and retrieval (RAG) Official MCP Registry Local

3. @M @laskarks/mcp-rag-node io.github.laskar-ksatria/rag-mcp-nodejs

   Simple MCP RAG server using @modelcontextprotocol/sdk

   Version check not run yet

   Search and retrieval (RAG) npm Local 32 a week ISC

4. @M @cogniahq/mcp io.github.cogniahq/cognia-mcp

   End-to-end encrypted memory for Claude Desktop, Cursor, Zed, and any MCP-compatible client. BYOK, hybrid search, and action execution against your Cognia workspace.

   Version check not run yet

   Memory and context npm Local 8 a week MIT

5. @C @gonrocca/cortexmem io.github.gonzalonicolasr/cortexmem

   Cortex - local-first persistent memory for AI coding agents (MCP server + HTTP API, SQLite, hybrid FTS5 + local embeddings)

   Version check not run yet

   Coding agent tools npm Local 8 a week MIT

6. @Q @krisfremen/qmd io.github.krisfremen/qmd

   Query Markup Documents - On-device hybrid search for markdown files with BM25, vector search, and LLM reranking

   Version check not run yet

   Search and retrieval (RAG) npm Local 8 a week MIT

7. @R @netzi/recall io.github.netzitech/recall-code

   MCP server for project-scoped, self-curated memory with hybrid search (BM25 + sqlite-vec).

   Version check not run yet

   Memory and context npm Local 8 a week MIT

8. DR docs-rag-mcp io.github.andreaselmi/docs-rag-mcp

   Minimal local RAG MCP server: semantic search over your markdown docs, embeddings via Ollama, nothing leaves your machine.

   Version check not run yet

   Search and retrieval (RAG) npm Local 8 a week MIT

9. GR grounded-rag-mcp io.github.chetan1521/grounded-rag-mcp-ts

   An MCP server that gives any LLM host grounded, cited retrieval over your own documents — hybrid BM25 + dense retrieval, cross-encoder-ready reranking, and built-in eval.

   Version check not run yet

   Search and retrieval (RAG) npm Local 8 a week MIT

10. ZR zenn-rag io.github.sorakumo001/zenn-rag

    Vector DB & RAG toolkit for Zenn articles and books with MCP server support

    Version check not run yet

    Search and retrieval (RAG) npm Local 8 a week MIT

11. VM vector-memory-pg io.github.cabupy/vector_memory_pg

    Institutional technical memory for AI coding agents using PostgreSQL, pgvector, hybrid search, MCP, Reflect, CLI, and local UI.

    Version check not run yet

    Search and retrieval (RAG) npm Local 9 a week MIT

12. AC ai-cogence-mcp-server io.github.ai-cogence/mcp-server

    MCP (Model Context Protocol) Server for AI Cogence RAG Backend

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

13. AM aidevtube-mcp io.github.miraculix95/aidevtube-mcp

    Semantic search over a curated, multilingual corpus of AI & coding YouTube video summaries — MCP server for the AI YouTube Digest API.

    Version check not run yet

    Design and media PyPI Local MIT

14. AM aidocs-mcp io.github.cristian1991/aidocs

    Portable AI coding-agent toolkit — MCP server with indexed code retrieval, session management, and persistent memory

    Version check not run yet

    Memory and context PyPI Local APACHE-2.0

15. AR aigroup-rag-mcp io.github.your-org/aigroup-rag-mcp-readme.md

    RAG知识库检索增强生成系统 - MCP服务器

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

16. AO ai-odoofinder-mcp io.github.santipbarber/ai-odoo-finder-mcp-server

    MCP Server for AI-OdooFinder - Semantic search for Odoo modules in the OCA ecosystem

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

17. AM atlas-mcp io.github.rsanandres/atlas_mcp

    AI-powered MCP server for FHIR document search and conversation

    Version check not run yet

    Office documents and spreadsheets PyPI Local MIT

18. BQ bus-query-mcp io.github.yourusername/bus-query-mcp

    A Model Context Protocol (MCP) service for data retrieval and query operations.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

19. CA calibremcp io.github.moranon/calibremcp

    FastMCP server for conversational management of a local Calibre e-book library, with LanceDB RAG.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

20. CM cedar-mcp io.github.musen-lab/cedar-mcp

    A Model Context Protocol (MCP) server for interacting with the CEDAR (Center for Expanded Data Annotation and Retrieval) metadata repository.

    Version check not run yet

    Git and code hosting PyPI Local MIT

21. CM cerevox-mcp-server io.github.cerevoxai/cerevox-mcp-server

    MCP server exposing Cerevox AI APIs (Lexa, Hippo, Account) for document parsing, RAG search, and account management

    Version check not run yet

    Office documents and spreadsheets PyPI Local MIT

22. CL claude-lfr-mcp com.gitlab.derico/claude-lfr-mcp

    Fast CPU-based RAG for codebases using BGE embeddings and Qdrant. MCP server for Claude Code.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

23. CM cocode-mcp io.github.hrayleung/cocode

    High-performance MCP server for semantic codebase search with hybrid retrieval (vector + BM25 + symbol search)

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

24. CC code-context-mcp io.github.nachogeinfor-ops/code-context-changelog.md

    MCP server with local RAG for Claude Code repo context

    Version check not run yet

    Git and code hosting PyPI Local MIT

25. CM compresh-mcp io.github.compresh/compresh-mcp

    MCP server for Compresh — production-grade context compression with TUL 2.0 query-aware retrieval (paid tier) over the open tulbase core

    Version check not run yet

    Search and retrieval (RAG) PyPI Local BUSL-1.1

26. CM contextweave-mcp io.github.matthew-brough/contextweave

    Unified code-context MCP server: structural, lexical and semantic retrieval

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MPL-2.0

27. CM corvidex-mcp io.github.ru551n/corvidex-mcp-configuration.md

    corvidex-mcp: an RTL-centric RAG and indexing MCP

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

28. CM cratedb-mcp io.github.crate/cratedb-mcp-changes.md

    CrateDB MCP Server for natural-language Text-to-SQL and documentation retrieval.

    Version check not run yet

    Databases PyPI Local APACHE-2.0

29. DO datgfg-opensearch-mcp-server-py io.github.opensearch-project/opensearch-mcp-server-py-changelog.md

    OpenSearch MCP Server

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

30. DB doc-builder-mcp io.github.hexecu/mcp-doc-builder

    MCP Server for intelligent documentation scraping, vectorization, and semantic search with dynamic ontology extraction

    Version check not run yet

    Web search and scraping PyPI Local MIT

31. DM docs2db-mcp-server io.github.rhel-lightspeed/docs2db-mcp-server-changelog.md

    MCP server for docs2db-api RAG queries

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

32. DI docsite-ingest-mcp io.github.talan-digital-factory/docsite-ingest-mcp

    Scrape documentation websites, index in Chroma, expose retrieval through MCP

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

33. DS document-search-mcp io.github.your-org/document-search-mcp

    Document Search MCP Server with extensible plugin architecture

    Version check not run yet

    Office documents and spreadsheets PyPI Local MIT

34. EM elasticsearch-mcp io.github.bpamiri/elasticsearch-mcp

    MCP server for Elasticsearch clusters

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

35. EM elasticsearch-memory-mcp io.github.fredac100/elasticsearch-memory-mcp-readme.md

    🧠 Elasticsearch-powered MCP server with hierarchical memory categorization, intelligent auto-detection, and batch review capabilities

    Version check not run yet

    Memory and context PyPI Local MIT

36. EM engram-mcp-server io.github.kpachhai/engram-changelog.md

    Personal AI memory backend - portable, sovereign, protocol-compatible (MCP server with markdown source-of-truth and local vector search).

    Version check not run yet

    Office documents and spreadsheets PyPI Local APACHE-2.0

37. EM extensible-mcp io.github.mattdfuchs/extensible-mcp-changelog.md

    MCP proxy that replaces tool definitions with semantic search

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

38. FM fgclip-mcp io.github.360cvgroup/fgclip-mcp

    MCP Server for FG-CLIP embedding services

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

39. FG flexible-graphrag-mcp io.github.stevereiner/flexible-graphrag-changelog.md

    MCP server for Flexible GraphRAG — connects to the FastAPI backend (status, ingest, hybrid search, AI Q&A) for Claude Desktop and other MCP clients. Supports 14 data sources, 15 property graph DBs, 4

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

40. GE gengomcp io.github.sobamchan/gengomcp

    MCP server for finding ACL conference papers about NLP from a Qdrant database

    Version check not run yet

    Science and research PyPI Local MIT

41. GM getstack-mcp io.github.olegstefanov/get-stack

    MCP server for managing getstack templates from Supabase database with RAG search

    Version check not run yet

    Databases PyPI Local MIT

42. GM gg-mcp-os io.github.opensearch-project/opensearch-mcp-server-py-changelog.md-xmkdbs

    OpenSearch MCP Server с поддержкой Dashboards API и диагностикой подключения - расширенный форк с улучшенной обработкой ошибок и 9 инструментами

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

43. GM grag-mcp io.github.tmustafiz/graph-rag-changelog.md

    Graph RAG knowledge base for coding agents, backed by Neo4j and exposed over MCP

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

44. HR hwp-rag-mcp io.github.jaypakdevkr/kb-mcp-server

    Local HWP/HWPX retrieval for Codex and Claude Code over MCP

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

45. IW ibm-watsonxdata-dl-retrieval-mcp-server io.github.ibm/ibm-watsonxdata-dl-retrieval-mcp-server

    An IBM watsonx.data mcp server that seamlessly connects AI agents with document libraries

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

46. IE ifc-es-mcp-server io.github.your-username/ifc-es-mcp-server

    Elasticsearch MCP Server for IFC logging system

    Version check not run yet

    Monitoring and observability PyPI Local MIT

47. IM iflow-mcp_4r9un-mcp-kql-server io.github.4r9un/mcp-kql-server-changelog.md

    AI-Powered MCP server for KQL query execution with Natural Language to KQL (NL2KQL) conversion, intelligent schema memory, RAG-enhanced context assistance, and semantic search capabilities

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

48. IM iflow-mcp_Agentic-RAG-with-MCP-Server-1 io.github.iflow-mcp/agentic-rag-with-mcp-server-1

    Agentic RAG with MCP Server - Powerful tools for entity extraction, query refinement, and relevance checking

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT