Search and retrieval (RAG) MCP servers

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1. NA Navigator ai.mentu/navigator

   Read-only repo navigation and progressive disclosure; BM25 locator with registered evidence.

   Version check not run yet

   Git and code hosting Official MCP Registry · npm Local 48 a week APACHE-2.0

2. LR Local Rag io.github.damoqiongqiu/mcp-local-rag

   Semantic code & doc search with keyword boost. AST code nav, auto HF mirror, local, privacy-first.

   Version check not run yet

   Search and retrieval (RAG) Official MCP Registry · npm Local 47 a week MIT

3. FR Freshvault io.github.KIOKO-LAB/freshvault

   Local semantic search over your Obsidian vault - always fresh, never reindex.

   Version check not run yet

   Docs and knowledge bases Official MCP Registry · npm Local 46 a week MIT

4. DE Delinea io.github.mrfentmen/delinea-mcp

   Delinea Secret Server API: secrets search and retrieval.

   Version check not run yet

   Security Official MCP Registry · npm Local 46 a week MIT

5. MA mcp/amazon-kendra-index-mcp-server io.github.awslabs/mcp-amazon-kendra-index-mcp-server

   Enterprise search and RAG enhancement.

   Version check not run yet

   E-commerce Docker Hub · Docker MCP Catalog · Docker MCP Registry Local APACHE-2.0

6. FL ForgeMesh Library MCP io.github.forgemeshlabs/library-mcp

   A paid public-domain knowledge base for AI agents: full-text search, book metadata, chapters.

   Version check not run yet

   Docs and knowledge bases Official MCP Registry · npm Local 43 a week MIT

7. KC Koma Core MCP io.github.swnotmetal/koma-core-mcp

   Protected RAG storage — agents discover public metadata, content only by access token.

   Version check not run yet

   Files and storage Official MCP Registry · npm Local 41 a week MIT

8. SC Smart Connections io.github.msdanyg/smart-connections-mcp

   Local semantic search over Obsidian vaults via Smart Connections embeddings. Multi-vault, private.

   Version check not run yet

   Search and retrieval (RAG) Official MCP Registry · npm Local 37 a week MIT

9. LE Levea io.github.brajendrak00068/levea-mcp-server

   Autonomous AI video editor over MCP: viral clips, captions, reframe, chroma key, MP4 export

   Version check not run yet

   Design and media Official MCP Registry · npm Local 35 a week MIT

10. GB Gpu Bridge io.github.fjnunezp75/gpu-bridge

    30 GPU-powered AI services as MCP tools. LLM, image, video, audio, embeddings & more.

    Version check not run yet

    Design and media Official MCP Registry · npm Local 28 a week MIT

11. VS Vector Store Scanner io.github.GuardBee/vector-store-scanner

    Probes vector-database endpoints for unauthenticated exposure of embeddings/RAG data

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 34 a week MIT

12. KY Kybase io.github.Kyrzin/kybase

    Self-hosted Markdown memory for AI agents: notes you can read and edit, with hybrid search.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry · npm Local 33 a week AGPL-3.0-ONLY

13. CM Calypso Multimodal RAG MCP io.github.calypso-so/multimodal-rag-mcp-server

    Calypso multimodal RAG for grounded answers from docs, images, charts, and knowledge.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 33 a week MIT

14. IW IBM watsonx.ai Granite io.github.nirholas/ibm-watsonx

    IBM watsonx.ai MCP by three.ws: chat, text generation, embeddings, and tokenization.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 33 a week APACHE-2.0

15. HA Hacktricks io.github.zebbern/hacktricks-mcp

    Offline full-text search over the HackTricks security wiki, synced every 3 days.

    Version check not run yet

    Security Official MCP Registry · npm Local 33 a week MIT

16. MI Milvus io.github.mrfentmen/milvus-mcp

    MCP server for Milvus: collections, stats, search. Works with any instance.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 32 a week MIT

17. EH ESG Hub MCP Server com.ascent-partners/esg-hub

    ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.

    100% up · 30 days

    Docs and knowledge bases Official MCP Registry · npm Local Remote 31 a week MIT

18. KB kbdb io.github.diko316/kbdb

    A searchable second brain for AI agents: ranked keyword and semantic search over your Markdown.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry · npm Local 31 a week AGPL-3.0-ONLY

19. IG IBM Granite via x402 io.github.nirholas/ibm-x402-mcp

    x402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 30 a week APACHE-2.0

20. AP Appwrite io.github.appwrite/mcp

    Build and deploy backends: auth, Postgres/MySQL/vector databases, storage, functions, hosting, CDN

    100% up · 30 days

    Databases Official MCP Registry · PyPI Local Remote

21. AK Akb io.github.dnotitia/akb

    Git-backed org memory for AI agents — hybrid search, tables, files & a URI graph over MCP.

    Version check not run yet

    Git and code hosting Official MCP Registry · npm Local 29 a week MIT

22. AB awslabs.bedrock-kb-retrieval-mcp-server io.github.awslabs/mcp-changelog.md

    An AWS Labs Model Context Protocol (MCP) server for Bedrock Knowledge Base Retrieval

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

23. CC correctover-ccs-mcp io.github.dshcorrectover/ccs-conformance-vectors

    Correctover CCS MCP Server — local-first MCP/Agent security tooling: receipt verification, batch audit, field-level tamper localization, and 14-rule MCP config checkup. Zero network egress, zero third

    Version check not run yet

    Search and retrieval (RAG) PyPI Local LICENSEREF-ELASTIC-2.0

24. AW AI Wave com.elopstudio.aiwave/ai-wave

    AI model releases, price changes and deprecations in one feed: chat, embedding, speech, video.

    100% up · 30 days

    Design and media Official MCP Registry · npm Local Remote 28 a week MIT

25. OS Obsidian Semantic Search io.github.DalecB/obsidian-semantic-mcp

    Read-only semantic search MCP server for Obsidian vaults using local Ollama embeddings.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 28 a week MIT

26. CL Context Lens io.github.cornelcroi/context-lens

    Semantic search knowledge base with serverless LanceDB. Zero setup, 100% local, 25+ file types

    Version check not run yet

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

27. YM yandexgpt-mcp io.github.theYahia/yandexgpt-mcp

    MCP server for YandexGPT — completions, embeddings, classification, summarization (Russia)

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 27 a week MIT

28. FA FAQai app.faqai/mcp-server

    Turn any document into a production-ready RAG dataset from Claude, Cursor, or any MCP host.

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry · npm Local 26 a week MIT

29. @D @pinecone-database/mcp io.github.pinecone-io/pinecone-mcp-qca13s

    Model Context Protocol server for Pinecone - enables AI assistants to interact with Pinecone indexes and documentation

    Version check not run yet

    Search and retrieval (RAG) npm Local 2.6k a week APACHE-2.0

30. BU Butterbase io.github.butterbase-ai/mcp

    Butterbase MCP server — manage your backend: schemas, auth, functions, storage, RAG, deploys.

    100% up · 30 days

    Files and storage Official MCP Registry · npm Local Remote 25 a week APACHE-2.0

31. NC NinFenz Content Gate io.github.Monyeah777/ninfenz

    Content contract layer: read-only retrieval over protocol, modules, pipelines, assets, library.

    Version check not run yet

    DevOps and infrastructure Official MCP Registry · npm Local 24 a week MIT

32. VM Vector Memory io.github.NeerajG03/vector-memory

    Semantic document memory using Redis vector store. Save and recall files with natural language.

    Version check not run yet

    Memory and context Official MCP Registry · PyPI Local MIT

33. GM gigachat-mcp io.github.theYahia/gigachat-mcp

    MCP server for GigaChat — AI chat, embeddings, image generation (Russia)

    Version check not run yet

    Design and media Official MCP Registry · npm Local 24 a week MIT

34. GC Gctrl io.github.GCTRL-TECH/gctrl

    Governed graph-native agent memory: knowledge extraction, fusion, hybrid RAG, scoped access tokens.

    Version check not run yet

    Memory and context Official MCP Registry · npm Local 23 a week AGPL-3.0-OR-LATER

35. CM CoderSwap MCP Server io.github.njlnaet/coderswap-mcp-server

    Build searchable AI research knowledge bases with hybrid vector search directly in Claude Desktop.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry · npm Local MIT

36. CR Claude Remind io.github.emretheus/claude-remind-mcp

    Search past Claude Code conversations. Local BM25 over JSONL with one-click claude --resume.

    Version check not run yet

    Browser automation Official MCP Registry · npm Local 21 a week MIT

37. DC Delaware Code io.github.pipeworx-io/delaware-code

    Delaware Code — state statutes by citation, full-text search, and amendment history. Fleet #2749.

    100% up · 30 days

    Legal and compliance Official MCP Registry · npm Remote 21 a week MIT

38. AI ai·rete·rag com.ai-rete-rag/ai-rete-rag-mcp

    Author rules from policy docs, then decide: a Rete engine gives the verdict, an LLM explains why.

    100% up · 30 days

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

39. AS Algolia Search com.mcparmory/algolia-search

    Search multiple indices, index data, and get personalized recommendations

    Version check not run yet

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

40. PE Perplexity com.mcparmory/perplexity

    Search the web, generate AI responses, and create embeddings with real-time information

    Version check not run yet

    Web search and scraping Official MCP Registry · PyPI Local MIT

41. PI Pinecone com.mcparmory/pinecone

    Create and manage vector database indexes, backups, and collections

    Version check not run yet

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

42. RA Ragie com.mcparmory/ragie

    Ingest, manage, and retrieve documents for RAG-powered AI applications

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry · PyPI Local MIT

43. OP Opensolr com.opensolr/opensolr-mcp

    Managed Apache Solr for agents: hybrid BM25+kNN search, server-side embeddings, RAG answers

    Version check not run yet

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

44. CI Citadel dev.citadeldb/mcp

    Encrypted-first embedded database with vector search and agent memory, exposed as MCP tools

    Version check not run yet

    Memory and context Official MCP Registry · PyPI Local APACHE-2.0

45. DU Dubstrata io.github.MuzikayiseKhuzwayo/dubstrata

    Dubstrata: Causal Financial & Narrative CDN providing Graph RAG & Deep Research Reports

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local MIT

46. CK Ckg io.github.Yarmoluk/ckg-mcp

    97-domain knowledge graphs for AI agents — 4× F1 of RAG, 11× fewer tokens. MCP-native.

    Version check not run yet

    Memory and context Official MCP Registry · PyPI Local MIT

47. DS Documentation Search io.github.alyiox/mcp-docs-ask

    Local RAG MCP for markdown documentation. Retrieval only; host synthesizes answers.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry · PyPI Local MIT

48. EM ExpertPack MCP io.github.brianhearn/ep-mcp

    Serve ExpertPack knowledge packs over MCP with hybrid search, graph traversal and provenance.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · PyPI Local APACHE-2.0