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Search and retrieval (RAG) MCP servers

1,793 servers

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  1. Elasticsearch io.github.TocharianOU/elasticsearch

    Elasticsearch MCP Server for ES 5.x-9.x with a query harness, field validation and full API access

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local Remote 313 a week APACHE-2.0

  2. Vestige io.github.samvallad33/vestige

    Causal Proof Engine for AI agents: signed log, zero vectors, failures traced to their cause.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 308 a week AGPL-3.0-ONLY

  3. chroma-mcp io.github.chroma-core/chroma-mcp

    A Model Context Protocol (MCP) server implementation that provides database capabilities for Chroma

    Version check not run yet

    Search and retrieval (RAG) GitHub MCP Registry · PyPI · Docker Hub Local APACHE-2.0

  4. Agenticmemory io.github.jyswee/agenticmemory

    Persistent memory for AI agents — history, context, semantic search, queues. 46 tools, stdio/SSE.

    100% up · 30 days

    Memory and context Official MCP Registry · npm Local Remote 254 a week SEE-LICENSE-IN

  5. Cuemap io.github.cuemap-dev/cuemap-mcp

    Local memory and context retrieval for AI agents through CueMap.

    Version check not run yet

    Memory and context Official MCP Registry · npm Local 243 a week MIT

  6. Docspell io.github.mrfentmen/docspell-mcp

    Docspell document search, items and version.

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry · npm Local 216 a week MIT

  7. Local FAISS MCP Server io.github.nonatofabio/local-faiss-mcp

    Local FAISS vector database for RAG with document ingestion, semantic search, and MCP prompts.

    Version check not run yet

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

  8. Alibaba Cloud DashScope — Qwen io.github.nirholas/alibaba-cloud

    Alibaba Cloud DashScope MCP: Qwen chat, embeddings, and model discovery on your own account.

    Version check not run yet

    Cloud platforms Official MCP Registry · npm Local 187 a week APACHE-2.0

  9. Contextq io.github.contextq/contextq-mcp

    Persistent memory, hybrid search and a goal graph for AI agents, over stdio or remote HTTP.

    100% up · 30 days

    Memory and context Official MCP Registry · npm Local Remote 179 a week MIT

  10. Figma Vector MCP io.github.workingmodel/figma-vector-mcp

    Let Claude create and edit fully editable vector nodes on the Figma canvas.

    Version check not run yet

    Design and media Official MCP Registry · npm Local 166 a week MIT

  11. Neuromcp io.github.AdelElo13/neuromcp

    Semantic memory for AI agents with hybrid search, knowledge graph, and consolidation

    Version check not run yet

    Memory and context Official MCP Registry · npm Local 164 a week AGPL-3.0-ONLY

  12. memo io.github.jagoff/memo

    Memory for AI agents — MLX (Apple Silicon) or CPU (Linux), sqlite-vec + BM25, zero cloud.

    Version check not run yet

    Databases Official MCP Registry · GitHub MCP Registry Local

  13. Neuledge io.github.neuledge/context

    Local-first documentation for AI agents. Offline, instant, private doc retrieval.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry Local

  14. Codeseeker io.github.jghiringhelli/codeseeker

    Graph-powered code intelligence with semantic search and knowledge graph for AI assistants

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 146 a week APACHE-2.0

  15. Vecline io.github.shunyagatha/vecline

    Local-first image, vector and document toolkit that measures its own output. Nothing uploaded.

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry · npm Local 140 a week MIT

  16. CCRider io.github.neilberkman/ccrider

    Full-text search, browse, and resume across your coding agent sessions (Claude Code, Codex, Amp)

    Version check not run yet

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

  17. Nvidia Nim io.github.david-eve-za/nvidia-nim-mcp

    MCP server for NVIDIA NIM - 50+ LLMs, multimodal, image gen, embeddings, reranking

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 110 a week MIT

  18. Rag Vault io.github.RobThePCGuy/rag-vault

    Local RAG MCP server with hybrid search, PDF/DOCX support, and zero-config setup

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 106 a week MIT

  19. Google Surf io.github.HarimxChoi/google-surf-mcp

    Web, academic and code search with graph RAG, data lineage, ontology and cross-project schema links.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 104 a week MIT

  20. Cortex io.github.DanielBlomma/cortex

    Local repo context for coding assistants with semantic search and graph relationships.

    Version check not run yet

    Coding agent tools Official MCP Registry · npm Local 94 a week MIT

  21. MantisBT MCP Server io.github.dpesch/mantisbt-mcp-server

    MantisBT MCP server – manage issues, notes, files, tags, and relationships. With semantic search.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry · npm Local 85 a week MIT

  22. Atomicreps io.github.atomicreps/atomicreps

    Retrieval practice in your coding agent: one short question about what you just built.

    100% up · 30 days

    Search and retrieval (RAG) Official MCP Registry · npm Local Remote 83 a week MIT

  23. Calibre io.github.caelum29/calibre-mcp

    Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.

    Version check not run yet

    Design and media Official MCP Registry · npm Local 81 a week MIT

  24. MCP AutoMem io.github.verygoodplugins/mcp-automem

    Graph-vector memory for AI assistants using FalkorDB and Qdrant

    Address set by you

    Search and retrieval (RAG) Official MCP Registry · npm Local Remote 80 a week MIT

  25. IT Glue io.github.mspstack/mcp-itglue

    IT Glue MCP server for MSPs — documents, flexible assets, semantic vector search, RBAC, and BYOK

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry · npm Local 79 a week MIT

  26. Cyanheads io.github.cyanheads/cyanheads-mcp-server

    Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.

    100% up · 30 days

    Search and retrieval (RAG) Official MCP Registry · npm Local Remote 75 a week APACHE-2.0

  27. Iranti io.github.nfemmanuel/iranti

    Persistent, shared memory for AI agents — facts, checkpoints, semantic search.

    Version check not run yet

    Memory and context Official MCP Registry · npm Local 113 a week AGPL-3.0-OR-LATER

  28. Compendio io.github.RuloGB/compendio-mcp

    Indexes your project's markdown docs and serves them to any agent via local hybrid search.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry · npm Local 73 a week MIT

  29. webEmbedding io.github.jongko54/web-embedding

    Source-first URL clone, capture, rebuild, and fidelity verification tools.

    100% up · 30 days

    Search and retrieval (RAG) Official MCP Registry · npm Local Remote 72 a week MIT

  30. DocsMint io.github.HiAi-gg/docsmint

    Cloud or self-hosted knowledge for AI agents: hybrid search, reranking, GraphRAG, scoped MCP tools.

    100% up · 30 days

    Search and retrieval (RAG) Official MCP Registry · npm Local Remote 70 a week APACHE-2.0

  31. Infino io.github.infino-ai/mcp-server

    Keyword, semantic, hybrid, and SQL retrieval for AI agents, local or on Infino Cloud.

    Version check not run yet

    Databases Official MCP Registry · npm Local 67 a week APACHE-2.0

  32. Vectros io.github.vectros-ai/mcp-server

    Typed record store + hybrid search over MCP: deterministic lookups + semantic memory, per-customer.

    Version check not run yet

    Memory and context Official MCP Registry · npm Local 66 a week APACHE-2.0

  33. N3MemoryCore Lite (Working Memory) io.github.NeuralNexusNote/n3mc-workingmemory

    Ephemeral 7-day hybrid vector+BM25 working memory, multilingual, backed by Redis Stack.

    Version check not run yet

    Memory and context Official MCP Registry · PyPI Local

  34. Outline MCP Server io.github.Vortiago/mcp-outline

    Connect AI assistants to Outline for document search, reading, and management

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry · PyPI Local

  35. TypesenseKit io.github.akshitkrnagpal/typesensekit

    95 typed Typesense operations for AI agents through an MCP server that is read-only by default.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  36. Ethora Cli io.github.dappros/ethora-mcp-cli

    MCP server for the Ethora chat & messaging platform: chat ops, AI agents, RAG, automation.

    Version check not run yet

    Communication and chat Official MCP Registry Local

  37. Astra DB io.github.erichare/astra-mcp

    Astra DB tools for agents: schema, find, vector search, guarded writes, and interactive views.

    100% up · 30 days

    Search and retrieval (RAG) Official MCP Registry Local Remote

  38. Qt4 Doc io.github.jztan/qt4-doc-mcp-server

    Offline MCP server for local Qt 4.8, Qt 5, and Qt 6 documentation with full-text search.

    Version check not run yet

    Docs and knowledge bases Official MCP Registry · PyPI Remote

  39. Reverie io.github.knowall-ai/reverie

    Graph memory that dreams: Neo4j knowledge-graph memory for AI agents with hybrid search

    Version check not run yet

    Memory and context Official MCP Registry Local

  40. Lynx io.github.lorenzo-cambiaghi/lynx

    LynxMCP: 100% local MCP server for the code questions grep can't answer: call graph, hybrid search

    Version check not run yet

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

  41. Openlex io.github.malkreide/openlex-mcp

    Canton Zurich legislation via ZH-Lex with full-text search and article extraction

    Version check not run yet

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

  42. Meilisearch io.github.mrfentmen/meilisearch-mcp

    Search indexes, manage documents, check health and stats.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

  43. IT Glue io.github.selic/mcp-itglue

    IT Glue MCP server for MSPs — documents, flexible assets, semantic vector search, RBAC, and BYOK

    Version check not run yet

    Office documents and spreadsheets Official MCP Registry Local

  44. Engram io.github.HBarefoot/engram

    Local-first persistent memory for AI agents — SQLite + local embeddings, MCP-native, no cloud.

    Version check not run yet

    Memory and context Official MCP Registry · npm Local 56 a week MIT

  45. RemembrallMCP io.github.cdnsteve/remembrallmcp

    Persistent knowledge memory for AI agents. Hybrid search, code graph, pgvector.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 25 a week MIT

  46. TypesenseKit io.github.typesensekit/typesensekit

    95 typed Typesense operations for AI agents through an MCP server that is read-only by default.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 52 a week MIT

  47. Weaviate io.github.mrfentmen/weaviate-mcp

    MCP server for Weaviate: collections, objects, GraphQL search. Works with any instance.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 50 a week MIT

  48. DataSinking io.github.heubme2020/datasinking

    Full-text financial reports (US, China, Japan, Korea, Taiwan, UK) as clean Markdown for RAG agents.

    100% up · 30 days

    Office documents and spreadsheets Official MCP Registry · npm Local Remote 49 a week MIT