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MCP servers tagged knowledge-graph

958 live MCP servers tagged "knowledge-graph", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with knowledge-graph.

958

live servers

avg trust

129K

most stars

701

Omp Codebase Memory

OMP extension that installs and updates codebase-memory-mcp, wires it into OMP, and enriches sessions with code knowledge graph context.

702

Memory Fort

Cross-tool persistent memory for AI agents — local, private, no API key required

703

Rabbitai

Open-source AI code reviewer that auto-reviews GitHub PRs LangGraph agents, knowledge graph blast-radius detection, mem0 persistent memory Zero cost, self-hostable.

704

Memory V3

Brain-inspired persistent memory for AI coding assistants. MAGMA multi-graph, 3-stage retrieval, ACT-R + surprise scoring, constitutional governance, sleep consolidation, self-lin…

705

Epistemedia

Knowledge that can show its work: an open, federated knowledge system for humans and agents.

706

Doubt

Turn contested questions into interactive, source-grounded evidence maps.

707

Cyrene

一个基于 Java 的垂类Agent 应用开发Harness，包含知识图谱，知识库，联网插件，生图等工具包，让你可以构建自己的产品代理。

708

Zenai

Frozen public snapshot (8 May 2026) of ZenAI — the self-hosted AI OS that remembers. 60 AI tools, 12,000+ tests, 440K+ LOC, 7-layer neuroscience-inspired memory. Not the living tr…

709

Cortex App

Institutional memory for the agentic era. Open-source GraphRAG knowledge base: documents in, Neo4j knowledge graph out. Humans get chat + deep research with cited answers, agents…

710

Powerbrain

🧠 Open-source context engine that feeds AI agents with policy-compliant enterprise knowledge. MCP-native, GDPR & EU AI Act ready, self-hosted.

711

Second Brain Hybrid Graph

A second brain in 3D: local-first hybrid graph-RAG. Flat vector search → graph traversal. Embedded DuckDB + LadybugDB, Ollama, NetworkX. Makes small local models punch above their…

712

Synapto

Persistent memory graph for AI coding agents — semantic search, knowledge graph, and time-based decay over MCP

713

Pretensor

Kuzu-backed schema graph from live DB introspection. MCP server for AI tools.

714

Wordlift Gemini CLI Extension

Official Gemini CLI extension for WordLift. Manage your Knowledge Graph with natural language using Model Context Protocol (MCP)

715

Plucky

Plucky is a Personalized, Agentic Voice Assistant

716

Memgentic

Universal AI memory layer — your second brain across every AI tool. Local-first, open source, MCP-compatible.

717

Ompa

Universal AI agent memory layer — vault + palace + temporal knowledge graph

718

Aryx

Aryx Lite — multi-source entity resolution & knowledge graph for grounded Q&A. Postgres + FalkorDB. BSL 1.1.

719

Mnemosyne AI Memory

Bionic memory for AI agents: GraphRAG, predictive memory, dream consolidation, governed skill evolution, MCP, REST API, and dashboard.

720

HyperHierarchicalRAG

HyperHierarchicalRAG: Combining Hypergraph Memory (HGMem) with Hierarchical Retrieval (LightRAG) - A novel RAG system with MCP Server integration for AI Agents

721

LangGraph Agentic GraphRAG

An intelligent hybrid RAG platform powered by LangGraph + SGLang that seamlessly integrates knowledge retrieval with tool execution via MCP, featuring dynamic 3-way routing, quali…

722

Memocean

MemOcean — A shared knowledge base system for Chinese multi-agent scenarios. Fork of MemPalace.

723

Lightrag Claude Skills

Persistent memory for Claude Code via LightRAG knowledge graphs — 7 skills + 2 auto-hooks

724

Memoryvault Kit

A personal memory layer for your AI tools. Intelligent authoring (gap detection, self-enriching graph, session-synthesis loop) + measurably good retrieval (94.9% blind Cov@10, sub…

725

Bruin

Bruin — agent-native note-taking app. 60 MCP tools, knowledge graph, human-in-the-loop review, local-first. Tauri + Rust + React.

726

Stromadb

Real-time GraphRAG engine optimized for LLMs — stream-native graph + vector + typed retrieval (Rust). Source-available.

727

Codebeacon

Source code AST analysis and AI context generation — unified multi-framework knowledge graph for Claude Code, Cursor, and MCP

728

Anchored Oss

Self-hosted team memory server for AI coding agents — shared project knowledge for dev teams, with privacy guardrails. Pairs with the Anchored client.

729

Tools Ja

Hub repo for Claude Code related tools (Japanese distributions)

730

Machine Meaning Layer

Open protocol proposal for AI-readable, claim-level, verifiable web content using JSON-LD, provenance, signatures, embeddings and trust signals.

731

UnityGraph

Make Unity projects queryable for any AI coding agent. MCP server + knowledge graph + Observatory.

732

Knowledge Master

Local-first knowledge graph for developers. Graph-native RAG with MCP server, blast radius analysis, convention enforcement. Your AI agent's permanent memory.

733

Viralix

Open-source multi-agent simulation engine to predict society-level response to launches, crises, campaigns, and narratives.

734

Reify

Your coding agent is smart. Your legacy codebase is the problem. Reify gives it the context to understand and safely change large, unfamiliar codebases — 100% locally.

735

Byori

The multi-agent coding workspace that remembers your project — run Claude Code and Codex side by side over a shared ByoriDB graph memory

736

Fgraph

A fact graph in a single SQLite file — embedded temporal fact store with time travel, provenance, hybrid search, and MCP for AI agents

737

Graflet

Precomputed knowledge graphs of versioned library docs, for AI agents. Docs as a graph, not snippets.

738

Obsidian Open Ontologies

Full Open Ontologies engine in Obsidian: reason over, SHACL-check and SPARQL-query your vault as a knowledge graph, and expose it to Claude over MCP

739

AI Indexing

🚀 Simplify code indexing with structured prompts and testing, optimizing source code for semantic search and understanding in LLMs.

740

Robosystems App

RoboSystems App is the web interface for the RoboSystems financial intelligence platform — unifying knowledge graphs, document search, and AI-powered insights in one application.…

741

Agentic AI Environment

AI Workforce of the Future - Research Environment

742

Daml Rag Framework

🧠 DAML-RAG: Domain-Adaptive Multi-source Learning RAG Framework | GraphRAG混合检索 + 推理时学习 + 教师-学生双模型协作 | Production-ready vertical domain AI solution

743

Axel

AxelR8 — Portable Agent Intelligence. Search, memory, session awareness in one .r8 file.

744

Alethe Rag

Self-hosted agentic RAG for multi-repo code intelligence: real ASTs (Roslyn/TSC/Pyright) → semantic knowledge graph (SQLite + sqlite-vec) → SGC graph convolution → REST + embedded…

745