Knowledge Graph

An MCP server implementing persistent memory using a local knowledge graph for AI models to remember user information across chats.

Multi-agent orchestration platform for Claude Code with MCP server integration, enabling coordinated AI swarms and autonomous workflows.

A comprehensive MCP server that converts documentation, GitHub repos, and PDFs into Claude AI skills with automatic conflict detection.

OpenMetadata provides an MCP server for AI assistants to access unified metadata context for data discovery, governance, and lineage.

High-performance code intelligence MCP server that indexes codebases into a persistent knowledge graph with sub-ms queries and 155 language support.

Persistent memory service for AI agents with REST API, MCP, OAuth, and knowledge graph functionality.

Context+ is an MCP server that transforms codebases into searchable feature graphs using RAG, AST parsing, and semantic linking.

Korean legal MCP server transforming 41 government APIs into 17 tools with citation verification, impact mapping, and time comparison.

An MCP server for deep research using multiple LLMs with web search capabilities and local processing.

MCP server for connecting Notion to MCP-compatible clients, enabling AI agents to find, read, query and update Notion workspaces.

A Swift-based MCP server that indexes and serves Apple's developer documentation to AI agents.

A long-term memory server for MCP agents that enables persistent, cross-session identity and context.

Multi-agent knowledge engine that turns any codebase into a queryable AI assistant with MCP integration.

Zotero MCP plugin integrates AI assistants with Zotero reference management via MCP protocol, providing search, annotation analysis, content extraction, and write operations.

A local codebase intelligence CLI and MCP server that analyzes code structures, dependencies, and patterns to provide actionable insights for developers and AI agents.

MCP-NixOS provides real-time NixOS package, option, and documentation data to prevent AI hallucinations.

Open-source cross-agent memory layer for coding agents via MCP with local-first storage.

Selfhosted notes app with MCP integration for searching, listing and reading notes.

BioMCP is a biomedical-focused MCP server that provides unified access to multiple biomedical data sources through a single command interface.

A lightweight MCP server for semantic memory storage, knowledge graphs, and persistent memory for AI agents.

Cognitive memory for AI agents with FSRS-6 spaced repetition, 29 brain modules, and a 3D visualization dashboard.

Agentic RAG with multimodal search, analysis agents, and MCP server capabilities.

Local-first persistent memory system for AI agents with recursive memory harness and MCP integration.

MCP server for Obsidian vaults with 14 tools for reading, writing, searching, and editing notes, tags, and frontmatter.

An MCP server providing Wikipedia access with search, article retrieval, summaries, and multi-language support.

Enterprise AI knowledge hub serving as MCP server for secure organizational RAG contexts and AI skills.

Minima is an on-premises RAG system with MCP integration for secure local document querying.

MCP server that transforms codebases into searchable knowledge graphs with semantic search and structural understanding.

Neo4j Labs MCP servers integrate graph databases with AI assistants through natural language.

An MCP server that bridges Obsidian vaults with AI assistants like Claude for semantic search and template execution.

LLM Wiki is an MCP server that indexes local documents and enables Claude to build and maintain a knowledge wiki.

NornicDB is a distributed graph+vector database with native MCP server support for AI applications.

Persistent cognitive memory for AI agents and robots with offline support and 37 MCP tools.

MCP server connecting Graphlit platform with rich tools for knowledge management and RAG across various data sources.

MCP server providing grounded access to Indonesian legal data with search, article retrieval, and status checking tools.

A comprehensive plugin suite with bundled MCP servers for Claude Code, including hex-line, hex-graph, hex-ssh, and hex-research for enhanced code intelligence.

SwarmVault is an MCP server that turns documents into a local knowledge graph with RAG capabilities.

MCP server for efficient documentation exploration via structured section indexing, reducing token consumption by 95% compared to traditional approaches.

An MCP server connecting Claude to LogSeq knowledge bases with read/write capabilities and optional vector search.

Beever Atlas is an MCP server that transforms team chats into a self-maintaining wiki with integrated search and QA capabilities.

Rust SDK and MCP server that transforms Obsidian vaults into intelligent knowledge systems with 47 specialized tools.

MCP server that connects AI assistants to Outline documentation platforms with comprehensive document and collection management tools.

MCP server for AI assistants to interact with Anytype's encrypted wiki through natural language commands.

MegaMemory is an MCP server that creates persistent project knowledge graphs with semantic search for coding agents.

MCP server for Raindrop.io bookmark management with comprehensive tools for organizing, searching, and editing bookmarks through AI assistants.

Cognitive memory database for AI agents that consolidates duplicates, detects contradictions, and fades stale memories via temporal decay.

MCP server providing architecture graph intelligence, code search, and spec generation tools for backend teams.

Local persistent memory store for LLM applications providing project continuity through MCP tools.

CKB is a comprehensive code intelligence platform providing MCP server with tools for code analysis, impact assessment, and architecture mapping.

Memtrace provides structural memory for AI coding agents through MCP, indexing codebases as bi-temporal knowledge graphs with zero LLM calls.

LeanKG is a local-first knowledge graph that indexes codebases and exposes them via MCP for AI-assisted development with significant token savings.

MCP server that transforms codebases into intelligent knowledge bases for AI IDEs like Cursor and AntiGravity with semantic analysis and vector search.

MCP server for academic paper search integrating Semantic Scholar and arXiv with practical research tools.

Comprehensive MCP server for AFFiNE, exposing 84 tools for workspace, document, and database operations over stdio or HTTP.

On-device memory layer for AI agents with MCP server integration and hybrid RAG search.

Zettelkasten-based persistent memory system for AI coding agents with MCP server integration.

Remindb is an agentic memory database that cuts session tokens by 75–99% using a portable SQLite file with MCP tool integration.

A graph-native code intelligence tool with 10 MCP tools for analyzing code dependencies and impact.

Knowledge graph memory system with semantic retrieval and temporal awareness for LLMs.

LycheeMemory is a lightweight long-term memory framework for LLM agents that supports MCP as an HTTP server.

Ogham MCP is a persistent, searchable shared memory system for AI coding agents across clients.

MCP server connecting AI with MediaWiki wikis through tools and resources for reading and writing content.

RivalSearchMCP is a comprehensive research MCP server offering deterministic search across 5 web engines, 9 social platforms, academic databases, news sources, and document analysis.

A FastMCP-based server enabling AI assistants to interact with Joplin notes via 25 optimized tools.

Persistent memory system for AI agents with MCP Server plugin enabling cross-agent knowledge sharing.

AI-native ontology engine Rust MCP server with 43 tools for building, validating, and querying RDF/OWL ontologies using Oxigraph triple store.

MCP server providing persistent memory, semantic search, and local LLM for AI agents.

Mengram is a human-like memory system for AI agents with semantic, episodic & procedural memory that learns from failures.

Home Memory is an MCP server that provides structured, persistent knowledge about your home through natural language interactions.

Medical MCP provides trusted medical data from FDA, WHO, PubMed, RxNorm, and Google Scholar with no API keys required.

MCP server for GetNote, a personal note management tool, enabling AI to create, edit, search and organize notes.

Biologically-inspired persistent memory engine for Claude Code with 26 cognitive subsystems, local SQLite storage, and advanced memory recall capabilities.

High-performance graph-vector database with MCP server support for natural language queries over knowledge graphs.

Enterprise MCP server providing secure access to company knowledge, documents, and expertise.

MCP server enabling LLMs to access and process arXiv papers via original LaTeX source for better math handling.

Cross-model memory system for AI agents that persists across sessions with MCP server support.

A Neo4j-powered MCP server implementing three-tier project/task/knowledge management for LLM agents with deep research capabilities.

Kept is an MCP server that manages AI conversations as searchable Markdown files in a local vault.

MakerAI is a complete AI ecosystem for Delphi with MCP server/client support, RAG, and autonomous agents.

MCP server providing 1C:Enterprise platform syntax and object model reference for AI assistants.

A self-hosted mem0 MCP server that integrates with Qdrant, Neo4j, and Ollama for persistent memory management with Claude Code.

An MCP server providing access to 100k+ US professional services firms with industry-specific search tools.

Sverklo is a local-first MCP server providing code intelligence with symbol graphs, blast-radius analysis, and git-pinned memory.

Academia MCP server provides tools for searching, fetching, and analyzing scientific papers and research datasets.

Roampal is an AI memory system with MCP integration that learns from user feedback across conversations.

MCP server for AI-assisted development of CAP applications with model and documentation search capabilities.

EMBL-EBI's Ontology Lookup Service provides an MCP server for biomedical ontologies via REST API.

Vectorize MCP server enables vector search, text extraction, and deep research through the Model Context Protocol.

MCP server connecting BloodHound with AI for natural language Active Directory security analysis.

MCP server that helps LLMs generate and validate SPARQL queries for biological knowledge graphs.

Multi-agent research MCP server with async agents, semantic search, and persistent knowledge base.

Cortex is a neuroscience-based persistent memory system for Claude Code with 47 MCP tools that remembers context, decisions, and patterns across sessions.

A local AST/type-aware Go repository context indexer that creates optimized graphs for AI coding agents.

MCP server providing access to Spanish BOE legislation, daily summaries, and official documents via MCP and REST API.

MCP server connecting AI assistants to Atlassian Confluence knowledge bases with API tools for spaces, pages, and search.

MCP server that transforms YouTube videos into a persistent knowledge base with transcripts, vision analysis, and agentic search.

Evernote MCP server for accessing notes via OAuth, with Docker support and recent updates.

MCP server for managing knowledge, notes and prompts via GitHub Gists with extensive tooling for gist operations.

A modular Python MCP framework integrating LLMs with tools, weather data, and advanced RAG capabilities.

An emotional memory system for Claude using Russell's valence/arousal coordinates with MCP protocol integration.