"X" matching MCP servers:

• Gemini Embedding 2 MCP Server

  AlaeddineMessadi

  A

  license

  A

  quality

  C

  maintenance

  A multimodal local memory MCP server that lets AI agents search across text, PDFs, images, audio, and video using Gemini Embedding 2 and a local ChromaDB.

  Last updated 2026-06-25

  7

  4

  MIT

• Hystersis MCP Server

  Himan-D

  A

  license

  A

  quality

  C

  maintenance

  Connects AI assistants to a persistent memory engine with Neo4j knowledge graph and ProMem extraction, enabling long-term context and associative memory across chats and workspaces.

  Last updated 2026-06-18

  6

  6

  MIT

• MCP-Ragdocs

  qpd-v

  A

  license

  -

  quality

  D

  maintenance

  A Model Context Protocol (MCP) server that enables semantic search and retrieval of documentation using a vector database (Qdrant). This server allows you to add documentation from URLs or local files and then search through them using natural language queries.

  Last updated 2025-02-19

  6

  135

  Apache 2.0

• Claude Skills MCP Server

  K-Dense-AI

  A

  license

  -

  quality

  C

  maintenance

  Enables intelligent semantic search and discovery of relevant Claude Agent Skills using vector embeddings. Provides access to curated scientific skills and supports both GitHub repositories and local skill directories.

  Last updated 2026-07-20

  393

  MIT

• Crawl4AI RAG MCP Server

  Rob-P-Smith

  F

  license

  -

  quality

  D

  maintenance

  Enables AI assistants to crawl websites, extract and store web content with semantic search capabilities using vector embeddings, and retrieve information through natural language queries with tag-based filtering and intelligent content cleaning.

  Last updated 2025-10-17

• local-rag-mcp-server

  n-irei

  F

  license

  -

  quality

  D

  maintenance

  A fully offline local RAG server that utilizes ChromaDB and Ollama to index and query PDF, text, and Markdown documents. It allows users to manage local knowledge bases and perform semantic searches with AI-generated responses.

  Last updated 2026-03-23

• kb-mcp-server

  code-runner-xx

  A

  license

  A

  quality

  B

  maintenance

  将 pgvector 知识库检索能力封装为标准 MCP 服务器，支持 Tools、Resources 和 Prompts，使 Claude Desktop 等客户端可通过自然语言查询知识库。

  Last updated 2026-06-12

  3

  MIT

• GraphRAG Llama Index MCP

  T-NhanNguyen

  F

  license

  A

  quality

  D

  maintenance

  Enables AI agents to query a local knowledge graph built from document collections using hybrid search (BM25 + vector fusion) and entity-relationship extraction. Supports privacy-first, offline operation with tools for semantic search, entity graph exploration, and corpus statistics.

  Last updated 2026-03-05

  3