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Search and retrieval (RAG) MCP servers

1,823 servers

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  1. iflow-mcp_ferparra_graph-rag-mcp-server io.github.yourusername/graph-rag-mcp-server-readme.md

    Graph RAG MCP Server for Obsidian vault with unified ChromaDB store and Gemini 2.5 Flash

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  2. iflow-mcp_hub-semantic-search-mcp io.github.davanstrien/hub-semantic-search-mcp

    MCP server for semantic search of Hugging Face models and datasets

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  3. iflow-mcp_lyellr88-marm-mcp-server io.github.lyellr88/marm-systems

    MARM-Systems is a complete protocol and platform—combining an advanced memory backend, modular semantic search, and agent-to-agent coordination with a scientifically structured, community-vetted metho

    Version check not run yet

    Memory and context PyPI Local MIT

  4. iflow-mcp_mcp-local-rag io.github.nkapila6/mcp-local-rag

    MCP "server" that can perform a web search locally without the use of APIs.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  5. iflow-mcp_niksh06-rag-duckdb-with-mcp io.github.example/mcp-rag-service

    MCP сервис для интеграции с Python RAG Server (DuckDB VSS)

    Version check not run yet

    Data warehouses and analytics PyPI Local MIT

  6. isc-playbook-mcp-server io.github.yourusername/isc-playbook-mcp-server

    MCP server for searching and browsing the IBM ISC Playbook with hybrid search capabilities

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  7. jay-mcp io.github.your-username/jay-mcp

    MCP server for batch GitHub repository information retrieval with parallel processing

    Version check not run yet

    Git and code hosting PyPI Local MIT

  8. lancedb-mcp com.gitlab.skopciewski/lancedb-mcp

    MCP server providing semantic knowledge base with LanceDB storage and configurable embeddings

    Version check not run yet

    Search and retrieval (RAG) PyPI Local GPL-3.0-OR-LATER

  9. local-rag-mcp io.github.junchenghe01/local-rag-mcp

    RAG Knowledge MCP Server — FastMCP + LanceDB + Hybrid Search

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  10. local-recall-mcp io.github.chikoku-neko/local-recall-mcp

    Fully local semantic memory for AI agents: search your notes and session logs from any MCP client, with embeddings served by Ollama

    Version check not run yet

    Memory and context PyPI Local MIT

  11. markdown-fastrag-mcp io.github.bitkyc08-arch/markdown-fastrag-mcp

    Semantic search engine for markdown documents. MCP server with multi-provider embeddings and Milvus vector storage.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

  12. mcpaisuite-ragmcp io.github.gashel01/ragmcp

    Plug-and-play RAG with native MCP support. LLM-agnostic, swappable at every level.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

  13. mcp-beacon io.github.wilturcios/mcp-beacon

    A fast, token-efficient MCP server for codebase search. AST parsing, semantic search, linting, git integration. Multi-language support.

    Version check not run yet

    Developer tools PyPI Local MIT

  14. mcp-canon io.github.tripcher/canon

    MCP server providing architectural patterns and best practices to LLM agents via RAG

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  15. mcp-duckvault io.github.caron14/mcp-duckvault

    DuckVault-MCP: local vector and visual graph RAG for Markdown and OKF

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  16. mcp-fts5-starter io.github.zx22413/mcp-fts5-starter-changelog.md

    Drop-in MCP server template with SQLite FTS5 search backend. ~300 lines, no vector DB, no embedding API, runs on a Pi.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  17. mcp-local-rag io.github.milliman-cmhh/mcp-local-rag

    Local MCP server for RAG over PDFs, DOCX, images, and plaintext files.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local AGPL-3.0-OR-LATER

  18. mcp-neo4j-graphrag io.github.guerinjeanmarc/mcp-neo4j-graphrag

    A unified Neo4j MCP server for GraphRAG: vector search, fulltext search, search-augmented Cypher queries, write operations, and multimodal image retrieval

    Version check not run yet

    Databases PyPI Local MIT

  19. mcp-neural-shield io.github.vidiptvashist/mcp-neural-shield

    A neural network-powered security middleware and reverse proxy for the Model Context Protocol (MCP). Detects tool poisoning, shadowing, and prompt injection attacks using deep learning classifiers tra

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  20. mcp-pdf-chroma io.github.yourusername/mcp_pdf_chroma

    MCP server for PDF processing and semantic search with ChromaDB

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  21. mcp-rag-librarian io.github.delexw/mcp-rag-librarian

    MCP server for RAG (Retrieval-Augmented Generation) operations with local document indexing - Fork with enhancements

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  22. mcp-recall-md io.github.kalikin-artem/mcp-recall-md

    Local semantic search for markdown notes — MCP server

    Version check not run yet

    Docs and knowledge bases PyPI Local MIT

  23. mcp-semantic-search io.github.rohithmahesh3/mcp-semantic-search

    MCP server for semantic code search

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  24. mcp-server-interview-rag io.github.ddhjx-code/agent-interview

    MCP server for AI Agent interview simulation with RAG knowledge base

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  25. mcp-server-thoth io.github.braininahat/thoth

    MCP server for persistent codebase memory with semantic search and development tracking

    Version check not run yet

    Developer tools PyPI Local MIT

  26. mcp-server-wikipedia io.github.surendranb/wikipedia-mcp-server-changelog.md

    Progressive-retrieval MCP server for Wikipedia

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  27. mcp-skillkit io.github.bobmatnyc/mcp-skillkit-readme.md

    Dynamic RAG-powered skills for code assistants via Model Context Protocol

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  28. mcp-skillset io.github.bobmatnyc/mcp-skillset-readme.md

    Dynamic RAG-powered skills for code assistants via Model Context Protocol

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  29. mcp-vector-shield io.github.vidiptvashist/mcp-vector-shield

    A neural network-powered security middleware and reverse proxy for the Model Context Protocol (MCP). Detects tool poisoning, shadowing, and prompt injection attacks using deep learning classifiers tra

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  30. memex-md-mcp io.github.maxwolf-01/memex

    MCP server for semantic search over markdown vaults

    Version check not run yet

    Office documents and spreadsheets PyPI Local MIT

  31. memorious-mcp io.github.cedricvidal/memorious-mcp

    Persistent semantic key-value memory MCP server with ChromaDB backend

    Version check not run yet

    Memory and context PyPI Local MIT

  32. mtg-search-mcp io.github.kasperg3/mtg-search

    Semantic search over every Magic: The Gathering card, as an MCP server for deck-building agents

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  33. multilingual-rag-mcp io.github.aliaksandr-kazarez/multilingual-rag-mcp

    Multilingual RAG MCP server — cross-lingual search over local documents

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  34. nexus-mcp-ci io.github.jaggernaut007/nexus-mcp-usage_guide.md

    Unified MCP server with hybrid search, code graph analysis, and semantic memory

    Version check not run yet

    DevOps and infrastructure PyPI Local POLYFORM-NONCOMMERCIAL-1.0.0

  35. obsidian-mcp-search io.github.korthomasjeong/obsidian-mcp-search

    Self-hosted MCP server exposing embedding-powered semantic search over an Obsidian vault

    Version check not run yet

    Docs and knowledge bases PyPI Local MIT

  36. obsidian-rag-mcp io.github.danielscholl/obsidian-rag-mcp-changelog.md

    Semantic search for Obsidian vaults via MCP

    Version check not run yet

    Docs and knowledge bases PyPI Local MIT

  37. ohwise-mcp io.github.jw-open/ohwise-mcp-changelog.md

    MCP server exposing graph-native code context, document retrieval, schema ranking, document store, cache, and agent pipeline tools.

    Version check not run yet

    DevOps and infrastructure PyPI Local APACHE-2.0

  38. omni-rag-mcp io.github.suyash2013/codebase-rag-mcp

    General-purpose RAG MCP plugin — index anything, search with hybrid BM25+semantic, zero-config

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  39. opensearch-kb-mcp-server io.github.your-org/opensearch-knowledge-base-mcp-mcp_server_guide.md

    MCP server for OpenSearch Knowledge Base - Search OpenSearch best practices and documentation from any AI agent

    Version check not run yet

    Docs and knowledge bases PyPI Local MIT

  40. orgraph-mcp io.github.tss-pranavkumar/orgraph

    Codebase knowledge graph MCP server — call chains, topology, and hybrid search for coding agents

    Version check not run yet

    Coding agent tools PyPI Local MIT

  41. pdfkb-mcp io.github.juanqui/pdfkb-mcp-91gtab

    A Model Context Protocol server for managing PDF documents with vector search capabilities

    Version check not run yet

    Office documents and spreadsheets PyPI Local MIT

  42. pinecone-read-only-mcp io.github.itinkerbell/pinecone-read-only-mcp-changelog.md

    A Model Context Protocol (MCP) server that provides semantic search over Pinecone vector databases using hybrid search (dense + sparse) with reranking.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local BSL-1.0

  43. pydocs-mcp io.github.msobroza/pydocs-mcp-changelog.md

    Local, version-aware code & docs search with hybrid retrieval and reference graphs for your AI coding agent, accelerated with Rust

    Version check not run yet

    Coding agent tools PyPI Local MIT

  44. qdrant-full-mcp io.github.jeevav62/qdrant-full-mcp

    The complete Qdrant MCP server: manage Qdrant Cloud (clusters, backups, API keys) and your vector data (collections, hybrid search, text memory) from Claude Code, Codex, Cursor or any MCP client.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT

  45. qdrant-llamaindex-mcp-server io.github.azhang/qdrant-llamaindex-mcp-server

    MCP server for reading LlamaIndex documents stored in Qdrant vector database

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

  46. qdrant-loader-mcp-server io.github.martin-papy/qdrant-loader

    A Model Context Protocol (MCP) server that provides RAG capabilities to Cursor using Qdrant.

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

  47. qdrant-mcp io.github.andrewlwn77/qdrant-mcp

    Qdrant MCP server with configurable embedding providers

    Version check not run yet

    Search and retrieval (RAG) PyPI Local APACHE-2.0

  48. qdrant-mcp-server io.github.fiyen/qdrant-mcp-server

    A Model Context Protocol (MCP) server for Qdrant vector database with semantic search capabilities

    Version check not run yet

    Search and retrieval (RAG) PyPI Local MIT