"Understanding Document Embeddings, Knowledge Graphs, and Vector Representations" matching MCP servers:

• knowledge-mcp

  olafgeibig

  A

  license

  -

  quality

  B

  maintenance

  An MCP server that enables AI agents to query specialized, domain-specific knowledge bases built using the LightRAG framework for enhanced retrieval-augmented generation. It allows for managing and searching knowledge graphs and vector embeddings to provide accurate, context-aware information during an AI assistant's reasoning process.

  Last updated 2026-02-13

  52

  MIT

• Vector Memory MCP

  Xsaven

  A

  license

  -

  quality

  C

  maintenance

  A secure vector-based memory server that provides persistent semantic memory for AI assistants using sqlite-vec and sentence-transformers. It enables semantic search and organization of coding experiences, solutions, and knowledge with features like auto-cleanup and deduplication.

  Last updated 2026-02-22

  MIT

• MCP Qdrant Codebase Embeddings

  steiner385

  -

  license

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  quality

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  maintenance

  A Model Context Protocol server that provides semantic understanding of codebases using Qdrant vector database, enabling AI assistants to search files by purpose, discover relationships between files, analyze architecture, and identify refactoring opportunities.

  Last updated 2025-06-22
• 

  MinerU Document Explorerofficial

  opendatalab

  A

  license

  -

  quality

  C

  maintenance

  Enables AI agents to search, deep-read, and build knowledge bases from Markdown, PDF, DOCX, and PPTX documents via MCP tools for retrieval, document navigation, and ingestion.

  Last updated 2026-04-26

  111

  567

  MIT

• Vector Task MCP Server

  Xsaven

  A

  license

  -

  quality

  C

  maintenance

  A secure, vector-based task management server for Claude Desktop using sqlite-vec and sentence-transformers. It provides intelligent task tracking with semantic search capabilities to organize and retrieve development tasks efficiently.

  Last updated 2026-05-20

  MIT

• Readwise Vector DB MCP Server

  leonardsellem

  A

  license

  -

  quality

  F

  maintenance

  Turns your Readwise library into a blazing-fast semantic search engine with a streaming MCP server for LLM clients, supporting vector search, nightly syncs, and deployment on serverless platforms like Vercel.

  Last updated 2025-07-28

  24

  MIT

• agent-knowledge

  yucx-go

  A

  license

  -

  quality

  B

  maintenance

  Long-term memory for AI agents. Compiles conversations into a structured knowledge base with Claim/Evidence model, source provenance, append-only timeline, and contradiction detection. Multi-path retrieval (Exact + BM25 + Graph + weighted RRF + reranker) — 96.6% R@5 on LongMemEval-S, zero vector dependencies.

  Last updated 2026-05-17

  MIT

• Embeddings Searcher

  thypon

  F

  license

  -

  quality

  C

  maintenance

  Enables semantic search through markdown documentation in code repositories using AI embeddings. Provides intelligent document chunking and similarity-based search to help users find relevant documentation based on meaning rather than just keywords.

  Last updated 2025-09-09

• MCP Vector Memory

  vertexhub-ai

  A

  license

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  quality

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  maintenance

  Provides AI coding agents with persistent, long-term memory through local semantic search and SQLite storage. It enables agents to save and retrieve architectural decisions or project context across different conversation sessions without requiring cloud services.

  Last updated 2026-02-19

• Vector Memory MCP Server

  aeriondyseti

  A

  license

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  quality

  C

  maintenance

  Provides local vector-based semantic memory storage for AI assistants to persist context and decisions across sessions using local embeddings and LanceDB. It enables private semantic search and session handoff capabilities to maintain long-term project context.

  Last updated 2026-04-01

  107

  5

  MIT

• Vector Memory MCP Server

  NeerajG03

  A

  license

  -

  quality

  C

  maintenance

  Enables AI assistants to save and recall information from files or free-form notes using natural language, acting as a long-term memory system.

  Last updated 2025-11-05

  MIT

• MCP Document Indexer

  yairwein

  F

  license

  -

  quality

  C

  maintenance

  Enables real-time indexing and semantic search of local documents (PDF, Word, text, Markdown, RTF) using vector embeddings and local LLMs. Monitors folders for changes and provides natural language search capabilities through Claude Desktop integration.

  Last updated 2025-08-08

  20

• Code Knowledge MCP Server

  davidvc

  F

  license

  -

  quality

  C

  maintenance

  Provides a project memory bank and RAG context provider for enhanced code understanding and management through vector embeddings, integrated with RooCode and Cline.

  Last updated 2025-02-28

  23

• Docs Vector MCP

  MeteorGeminy

  F

  license

  -

  quality

  C

  maintenance

  Enables AI agents to semantically search GitHub repository documentation by automatically fetching, vectorizing, and indexing content into an Upstash Vector database. It provides a standard MCP interface for agents to retrieve relevant documentation snippets through natural language queries.

  Last updated 2026-03-30

• mcp-knowledge-graph

  shaneholloman

  A

  license

  A

  quality

  B

  maintenance

  An improved implementation of persistent memory using a local knowledge graph with a customizable --memory-path. This lets Claude remember information about the user across chats.

  Last updated 2025-12-22

  10

  374

  862

  MIT

• Knowledge Graph MCP Server

  aiuluna

  A

  license

  A

  quality

  C

  maintenance

  Enables creating, managing, analyzing, and visualizing knowledge graphs with support for multiple graph types (topology, timelines, changelogs, requirements, knowledge bases, ontologies) including node/edge management and resource association.

  Last updated 2025-04-17

  15

  11

  1

  MIT
• 

  microCMS Document MCP Serverofficial

  microcmsio

  A

  license

  A

  quality

  B

  maintenance

  Provides access to microCMS documentation, enabling AI assistants to search and retrieve the latest document content.

  Last updated 2026-05-15

  3

  22

  8

  MIT

• Knowledge MCP Server

  sven-borkert

  A

  license

  A

  quality

  -

  maintenance

  Provides centralized knowledge management for projects, allowing users to store, search, and maintain project-specific knowledge that persists across sessions.

  Last updated 2025-08-13

  27

  14

  1

• MCP Document Parse Tool

  tianfn

  A

  license

  A

  quality

  C

  maintenance

  Enables parsing and extraction of content from various document formats (PDF, Word, Excel, PowerPoint) into Markdown format using the Niutrans document API.

  Last updated 2025-12-17

  1

  5

  MIT

• knowledge-rag

  lyonzin

  A

  license

  A

  quality

  A

  maintenance

  Local RAG system for Claude Code with hybrid search (semantic + BM25), cross-encoder reranking, markdown-aware chunking, and 12 MCP tools. Zero external servers, pure ONNX in-process.

  Last updated 2026-05-26

  12

  85

  MIT