"Understanding Integrated Knowledge Graphs" 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

• 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

• 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 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

• 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

• recon-fuzz-knowledge

  Recon-Fuzz

  A

  license

  A

  quality

  C

  maintenance

  Recon Fuzz Knowledge MCP

  Last updated 2026-04-16

  14

  12

  MIT

• YouTube Knowledge MCP

  efikuta

  A

  license

  B

  quality

  C

  maintenance

  Transforms YouTube into a queryable knowledge source with search, video details, transcript analysis, and AI-powered tools for summaries, learning paths, and knowledge graphs. Features quota-aware API access with caching and optional OpenAI/Anthropic integration for advanced content analysis.

  Last updated 2025-10-21

  10

  14

  1

  MIT

• Chisel Knowledge MCP

  teknologika

  F

  license

  B

  quality

  C

  maintenance

  Enables building and managing knowledge workspaces with tools for ingesting content from text, clipboard, or URLs and searching organized knowledge bases. Supports multiple configurable workspaces with separate inbox and knowledge directories for structured information management.

  Last updated 2026-04-06

  11

  9

• TDZ C64 Knowledge

  MichaelTroelsen

  F

  license

  B

  quality

  B

  maintenance

  An MCP server for indexing and searching Commodore 64 documentation using full-text, semantic, and fuzzy search across multiple file formats. It enables RAG-based question answering, entity extraction, and interactive timeline or knowledge graph visualizations.

  Last updated 2026-01-10

  94

• RAG Knowledge MCP

  CSOAI-ORG

  A

  license

  -

  quality

  B

  maintenance

  RAG Knowledge - MCP server providing AI-powered tools and automation by MEOK AI Labs

  Last updated 2026-05-08

  3

  MIT

• Volterra Knowledge Engine

  duhman

  A

  license

  -

  quality

  C

  maintenance

  A read-only Model Context Protocol server that exposes a semantic knowledge base to AI agents via 27 tools. It enables querying of documents and data integrated from sources like Notion, SharePoint, HubSpot, and Slack.

  Last updated 2026-02-24

  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

• Knowledge Base MCP

  dyyz1993

  F

  license

  -

  quality

  B

  maintenance

  A cross-project knowledge base MCP server supporting three-layer search (text matching, TF-IDF, and semantic vectors) with a Web UI for management.

  Last updated 2026-05-28

• knowledge-mcp

  caitao-ct

  -

  license

  -

  quality

  -

  maintenance

  语义搜索知识库，支持文档获取和索引刷新，使AI Agent能够检索团队知识。

  Last updated 2026-05-20

  1

• 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

• Knowledge Graph MCP Server

  YUChoe

  F

  license

  -

  quality

  C

  maintenance

  A TypeScript MCP server for managing persistent knowledge graphs with entities, directional relations, and time-based observations. It enables users to create, search, and track structured information with built-in concurrency control and JSON file storage.

  Last updated 2026-03-30

• Knowledge Assistant MCP Server

  r2d2helm

  F

  license

  A

  quality

  C

  maintenance

  Enables Claude Code to interact with Obsidian vaults by providing tools for multi-term searching, reading notes, and exploring tag-based relationships. It allows users to query, analyze, and manage their personal knowledge base directly through natural language.

  Last updated 2026-02-07

  9

• Knowledge Graph Memory Server

  itseasy21

  A

  license

  A

  quality

  C

  maintenance

  An implementation of persistent memory for Claude using a local knowledge graph, allowing the AI to remember information about users across conversations with customizable storage location.

  Last updated 2025-08-08

  11

  1,915

  60

  JavaScript

  MIT

• Knowledge Graph Memory Server

  yodakeisuke

  A

  license

  A

  quality

  C

  maintenance

  This MCP server provides persistent memory integration for chat applications by utilizing a local knowledge graph to remember user information across interactions.

  Last updated 2025-02-02

  9

  224,340

  5

  MIT

• knowledge-to-action-mcp

  tac0de

  A

  license

  A

  quality

  B

  maintenance

  Turn Obsidian notes into agent-ready context, preview-only plans, and safe repo handoffs.

  Last updated 2026-04-14

  13

  10

  3

  MIT