Open-Source MCP servers

Matching MCP servers:

• YouTube Knowledge MCP

  efikuta

  A

  security

  F

  license

  A

  quality

  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 -

  10

  1

• mcp-knowledge-graph

  shaneholloman

  A

  security

  A

  license

  A

  quality

  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 -

  9

  338

  726

  MIT License

• Knowledge MCP Server

  sven-borkert

  A

  security

  A

  license

  A

  quality

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

  Last updated -

  27

  14

  1

  MIT License

• Knowledge Graph MCP Server

  aiuluna

  -

  security

  A

  license

  -

  quality

  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 -

  29

  1

  MIT License

• MCP of MCPs

  eliavamar

  -

  security

  A

  license

  -

  quality

  A meta-server that aggregates multiple MCP servers into a single interface, reducing token usage by 98%+ through progressive tool discovery and direct code execution that processes data between tools without consuming context window space.

  Last updated -

  6

  Apache 2.0

• Atom-of-thoughts

  kbsooo

  A

  security

  A

  license

  A

  quality

  AoT MCP server enables AI models to solve complex reasoning problems by decomposing them into independent, reusable atomic units of thought, featuring a powerful decomposition-contraction mechanism that allows for deep exploration of problem spaces while maintaining high confidence in conclusions.

  Last updated -

  3

  48

  MIT License