Knowledge & Memory MCP Servers

Knowledge graph memory system built on Neo4j with semantic search, temporal awareness.

MCP server for RAG on local files

Read and search through your Obsidian vault or any directory containing Markdown notes

(by Steven Stavrakis) An MCP server for Obsidian.md with tools for searching, reading, writing, and organizing notes.

Professional MCP server providing ML-powered author disambiguation and comprehensive researcher profiles using the OpenAlex database.

MCP Server to interact with Outline knowledge base to search, read, create, and manage documents and their content, access collections, add comments, and manage document backlinks.

This MCP server for storing and retrieving text passages locally based on their semantic meaning.

An MCP server designed for interacting with the Rememberizer data source, facilitating enhanced knowledge retrieval.

Knowledge management system for AI agents with memory space creation and retrieval capabilities.

AI Summarization MCP Server, Support for multiple content types: Plain text, Web pages, PDF documents, EPUB books, HTML content

Production-ready RAG platform combining Graph RAG, vector search, and full-text search. Best choice for building your own Knowledge Graph and for Context Engineering

Query and summarize your chat messages with AI prompts.

Enhanced graph-based memory with a focus on AI role-play and story generation

A Model Context Protocol (MCP) server that implements the Zettelkasten knowledge management methodology, allowing you to create, link, and search atomic notes through Claude and other MCP-compatible clients.

Use GitHub Gists to manage and access your personal knowledge, daily notes, and reusable prompts. This acts as a companion to https://gistpad.dev and the GistPad VS Code extension.

An MCP server implementation that provides tools for retrieving and processing documentation through vector search, enabling AI assistants to augment their responses with relevant documentation context

An MCP server built on markmap that converts Markdown to interactive mind maps. Supports multi-format exports (PNG/JPG/SVG), live browser preview, one-click Markdown copy, and dynamic visualization features.

A connector for LLMs to work with collections and sources on your Zotero Cloud

An Azure PaaS-hostable MCP server that provides a workspace-grounded knowledge graph for multiple developers using Azure Functions MCP triggers and Table storage.

Let AI tools like Cursor, VS Code, or Claude Desktop answer questions using your product docs. Biel.ai provides the RAG system and MCP server.