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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.
Dsh Plugin Memtrace
🧠 Local-first code intelligence graph for DeepSeek Harness. Structural search, blast radius, temporal memory, and 27 agent skills.
LocalKnowledgeTerminal
Local-first, privacy-preserving multilingual knowledge cards grounded in cited books on your own hardware.
Semantic Grep
Make multiple codebases available as context for any coding agent without spending too many resources or sacrificing quality
Home View Graph
A five-model knowledge graph over a directory you choose — built to prove itself wrong. SQLite + FTS5, stdlib-only, 100% local.
Treeweft
GraphRAG code search over MCP. Parses code with tree-sitter, weaves a Neo4j code graph, and serves hybrid semantic search to AI agents at lower cost than grep.
Mind Bridge
Raw thought to structured knowledge. Built on Claude, Notion, and Obsidian. Three syncs a day. Zero manual sorting.
Achilles
Self-hosted AI platform for companies: connect any provider and model, run and govern agents, track token spend, and ground every answer in your own knowledge. Postgres-only, no e…
Ideaforge
IdeaForge: A Knowledge Graph-Grounded Multi-Methodology Agent Framework for Innovation Analysis and Patent Claim Generation · arXiv:2605.13311 · TRIZ + Design Thinking + SCAMPER ·…
Mike
A Splunk-native agent that turns SOC analyst reasoning into a queryable institutional knowledge graph, accessible from SPL, a Python CLI, and a Model Context Protocol server.
Myrmion Graphrag
Servidor MCP que expone una base GraphRAG local (LightRAG + Ollama) a Claude Code en VS Code. Privado, sin nube, sin claves de API.
Naviscope
Unified Code Knowledge Graph Engine for AI Agents & Developers
ZhiLuo
Agent Memory Engine - Local, lightweight, MCP-native knowledge graph for AI agents
Gmeow Proxy
Local Gmail intelligence for agents, MCP, and REST automation
Open Character Memory
Open-source role-user memory runtime for role-play and tutoring agents | 面向角色陪聊与 AI 教育的角色-用户双向记忆模块
Chartroom
A local second brain built on GBrain, with TypeSafe Jev for search ranking and page connections.
Skill Gateway
Local skill intelligence layer — index, audit, relate & orchestrate the skills your coding agent already has. Zero deps, CJK-first, offline dashboard.
Legiox
Cursor stops guessing. LegioX Free is an mcp server plugin with 147 specialists that pick the right one for the task, keep a knowledge base in your repo, and add new facts. Create…
Github CLI
Read github.com as data: every repo, user, org, issue, pull request, commit, release and file as a typed record with a github:// URI and a knowledge graph of the edges between the…
Ragdbman
An inspectable, local document intelligence system, implemented in Python. Organize named collections, follow indexing jobs, inspect Markdown sidecars and SQLite records, and retr…
Mind Mri Agent Second Brain
Zero-dependency, offline-first Graph-RAG memory system for AI agents — hybrid semantic+keyword+graph search, multi-agent task queue, MCP server, Obsidian-native vault.
Synaptree MCP
MCP server that turns your codebase into a queryable code knowledge graph (Neo4j + Tree-sitter): fewer tokens, exact call graphs for AI coding agents
Holomesh Py
Persistent memory & team sync for AI agents · pip install holoscript-mesh
Dugg Fyi
Local-first MCP knowledge layer for agents — shared memory with trust, governance, and enrichment built in.
Memorygraph
Entity-anchored, vector-searchable, salience-weighted graph memory MCP server for Claude Code. Local-first, privacy-first, zero-cloud.
Cricket Intelligence
Just applying my learnings about Text2SQL, VectorDB, Knowledge Graph, MCP!
Know Ctl
Transform LinkedIn saved posts into an interactive, interconnected Obsidian knowledge graph. Features a zero-config web dashboard, hybrid LLM routing (Groq + local vLLM/llama.cpp)…
Pi Codebase Memory Bridge
Native Codebase Memory knowledge-graph tools for the Pi coding agent.
Okft
okft — lint and MCP-serve Open Knowledge Format (OKF) bundles. Spec validator + agent server for Google's OKF v0.1.
Mempalace Explore
Obsidian-style graph explorer for your MemPalace — wings, rooms, drawers, tunnels, and the knowledge graph, live in WebGL
Aladdin Spec
Define portable, verifiable, and versioned knowledge packs for trusted AI systems and RAG applications.
Monarch MCP
MCP server for Monarch Initiative Data
Engram
Production-grade persistent memory for AI agents. Hybrid BM25 + vector search, knowledge graph, lifecycle hooks. 250K+ memories. Built by an AI, for AIs.
Personal Knowledge MCP
🔍 Index and manage local documents with the MCP server, offering AI access through a unified platform for easy search and retrieval.
Buddy
Agent-first Knowledge Graph — 25 MCP tools for LLMs. Cloudflare Workers + D1. OAuth 2.1. Apache 2.0.
Lumina
Lumina: An AI-powered Active Capture system for high-fidelity 3D Head Avatars. Uses real-time pose guidance and 3D Gaussian Splatting to transform standard webcam feeds into anima…
Carebridge
Understanding Langgraph and building projects with knowledge base
Guild MCP
Guild knowledge graph for AI agents: MCP server (59 tools: search, post, typed links, comments, guilds) + Agent Skill + Claude Code plugin. MIT.
Switchplinth
Find out why a component exists and what changes if a decision went the other way. Reads the ADRs, RFCs and design notes already in your repo, cites the passage behind every infer…
Cortex
🧠 A local, Obsidian-compatible second brain for agents: wikilinked markdown vault, knowledge graph, FTS5 search, live graph web view. CLI + web + MCP. Zero deps.
Local Brain
Local-first, cognitive persistent memory & knowledge graph for AI coding agents via Model Context Protocol (MCP)
Zettelkasten MCP
A Model Context Protocol (MCP) server that implements the Zettelkasten knowledge management methodology, allowing you to create, link, explore and synthesize atomic notes through…
Better Memory MCP
Enhanced MCP memory server with advanced graph operations: observation-level search, relation filtering, neighbor traversal, subgraph extraction, and path finding. Fork of @modelc…
AP RAG
AP-RAG (Academic Paper Retrieval-Augmented Generation): citation-backed retrieval over scientific papers, for people and for AI agents. Web and desktop apps, an MCP server and a C…
Cortex
Self-hosted, open-source markdown knowledge base with a 3D knowledge graph, semantic search and a built-in MCP server — so your AI agents can read and write the notes you already…
Knowledge Layer
Open source, self-hosted semantic layer and knowledge graph for AI agents. Evidence-backed definitions, human review, and reusable MCP context.
Knowledge Graph
Local-first, MCP-native knowledge graph that turns your bookmarks, saves, and reads into a tool your AI agent queries. No notes required.
Semvec Neo4j Agent Integration
Persistent semantic memory for multi-agent LLM systems: Semvec drift detection + a Neo4j knowledge graph. Constant-cost agent memory, multi-agent clusters/regions, verbatim-fact p…
Backpack Viewer
Interactive graph visualizer for Backpack learning graphs — force-directed Canvas 2D, type hulls, walk mode, focus mode, vim-style navigation.
Unified Fl Backend
FedCtx — Federated Semantic Infrastructure: HNSW + Graph + Audit + Memory + gRPC + REST + MCP
Lirovo
Lirovo: the structured-extraction layer for video. Public home for issues, examples, the SDK quickstart, and the changelog.