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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.
MCPFactoryAutomation
Devs Manufacturing Automation Technology / Devs FertigungsAutomatisierungsTechnologie
Binelek Vscode Extension
VS Code extension for Binelek Platform - Integrated knowledge graph development tools
Nodalync Protocol
The Nodalync Protocol defines infrastructure for knowledge economics that ensure original contributors receive perpetual, proportional compensation from all downstream value creat…
Korely Graphrag
MCP-native second brain with an automatic entity graph over your markdown notes. Honest benchmark vs vanilla RAG and nano-graphrag included.
Okf Assessment
Comparison and assessment of Google Cloud's Open Knowledge Format (OKF) from a local-first agent-memory perspective. AgentOS by Nadi Adatepe.
Rocketride Demo Companybrain
RocketRide demo — a team Company Brain that captures GitHub into an Obsidian vault + Neo4j conflict graph, answers as sales vs engineer, and routes engineers around conflicting wo…
Cortex Mem
Cortex — persistent AI memory for Claude Desktop & Claude Code. Local MCP server with a typed knowledge graph, contradiction detection & background scheduler. 20/20 benchmark, 27/…
Askgraph
Local-first, privacy-first codebase Q&A: structural knowledge graph (tree-sitter) + semantic search + git provenance. CLI, TUI, and MCP server for agents. Runs entirely on your ma…
Kg Agent Evals
Governed GraphRAG over a provenance-tracked biomedical knowledge graph, with an eval harness measuring whether the agent stays faithful to the evidence.
Labgo
Change Impact Analyst: code graph, git ground truth, hybrid retrieval, and an honestly measured agent
Context Atlas
Local-first, evidence-backed project memory for developers and coding agents
DiscoveryOS
DiscoveryOS — Autonomous Scientific Discovery Platform powered by AI Agents, MCP, Machine Learning, and Knowledge Graphs.
Mindport
Local-first project memory for AI clients, with semantic search, knowledge graphs, a Web console, HTTP API, and MCP support.
Portable AI Memory
Open-source, privacy-first memory layer for carrying your AI history across ChatGPT, Claude, Gemini, Codex, Cursor and other agents.
FDE Agent Platform
Agents propose, humans dispose — three FDE agents over a Postgres knowledge graph with SQL-enforced human gates
Sec Ownership Graph
A graph-native SEC ownership graph in Neo4j: activist coalitions, control chains and board interlocks from 13D/13G/Form 3-4-5/13F filings. Curated read-only MCP tools; every answe…
Synaptomind
Where ideas find each other
Sqlite Graph Memory
Universal MCP Server: Dynamic SQLite-backed code knowledge graph memory & AST context router for AI agents (Cursor, Claude Desktop, Antigravity, Windsurf).
Conceptnet MCP
ConceptNet MCP Server (Semantic Knowledge for LLMs)
Visual Scene Ontology
An image is not a sentence: a VLM's description of one is unvalidated prose. VSON makes every claim about an image — object, property, spatial relation, action — a graph assertion…
Contextix
CLI toolkit for agentic AI — turn any MCP server into a queryable knowledge graph.
N8n Nodes Studiomeyer Memory
n8n community node for StudioMeyer Memory — long-term AI memory with knowledge graph, semantic search, entity tracking, session continuity. Drop-in memory layer for AI agents in n…
CodraGraph
Graph-powered code intelligence for AI agents — index any codebase into a knowledge graph, query via MCP / CLI / SDK, version it like git.
Org Mind
Persistent organizational memory MCP server for Claude Code. Eliminates the context cold-start problem — one knowledge graph, every developer, every session.
Cortexplexus
Open-source Code Intelligence Platform — turn source code into a Knowledge Graph and serve structured context to AI assistants over MCP. Self-hosted, 100% free.
Hebbrix MCP
Hebbrix MCP server — long-term memory and knowledge graph for any MCP-compatible agent (Claude Desktop, Cline, Cursor, Continue)
Memory Skill
Codex Memory MCP skill for durable knowledge graph memory workflows
Vellis
Vellis — open-source context graph engine for AI agents: typed, local-first memory with explicit schema, validated change, deterministic query, migration, snapshots, replay, and a…
PlaudBlender
Local-first Plaud recording pipeline and personal knowledge timeline with Python, SQLite, Qdrant, RAG, 3D graphs, MCP tools, and a SwiftUI companion.
Mint Mory
Typed, graph-linked, self-consolidating memory for LLM agents — single-file SQLite, with MCP/CLI/HTTP. ’Member or die!
MultiAgentSystem
A multi-agent system that orchestrates AI agents with MCP tool integration, vector memory, and knowledge graphs to execute complex research tasks.
Levh
Shared memory layer for AI coding tools — local-first, MCP-native, self-curating
Book Brain
A GBrain-shaped knowledge brain over open-source / free books. Markdown on disk, SQLite + sqlite-vec hybrid search, typed graph edges, MCP server. TypeScript on Node + tsx, Ollama…
Reliquery
Turn your Obsidian vault into persistent AI memory — a free Claude plugin for worldbuilding, co-writing, and roleplaying.
Aingle
The verifiable memory cortex for AI agents: a semantic graph and vector search with zero-knowledge provenance.
Lithium Kb
🧠 Fast, zero-dependency structured knowledge base (.agent-kb/) with 2D neural graph visualizer │ & MCP server for Claude, Codex, PI, Cursor, Windsurf, Zed & Other AI coding agent…
Spaider
MCP-native knowledge-graph memory for AI agents
Imi
Open-source knowledge engine: ingest anything, grow a knowledge graph, query it over MCP
Code Review Graph Copilot
code-review-graph adapted for GitHub Copilot — MCP knowledge graph for token-efficient code reviews
Axon X
AI Agent 的项目记忆层 — 知识图谱 + MCP，让 Claude Code / Codex / WorkBuddy 拥有项目长期记忆
Bl1nk MCP Server
Modular, audit-ready memory system combining knowledge graph, semantic embedding, auto tagging, and root identity - built for agentic workflows.
Cohermes
A team of AI coding agents that share one brain — a Hermes extension whose per-user memory becomes a shared, governed Context Graph.
World Model MCP Copilot Chat Starter
Cloneable Python starter showing world-model-mcp memory layer working in GitHub Copilot Chat. 5 seeded constraints, 1 bug-fix reflection, FastAPI demo app.
World Model MCP Cursor Starter
Cloneable Python starter showing world-model-mcp memory layer working in Cursor. 5 seeded constraints, 1 bug-fix reflection, FastAPI demo app.
Proto Okn
A Model Context Protocol (MCP) server that provides tools for querying SPARQL endpoints, with specialized support for NSF-funded Proto-OKN (Prototype Open Knowledge Network) knowl…
ChronosMCP
Temporal memory MCP server for Claude - BM25 search, time-travel queries, FSRS-based forgetting. Local-first, zero cloud.
Go Palace
Local-first memory palace for AI agents — semantic search, knowledge graph, 4-layer memory stack, MCP server. Pure Go, offline, no API keys.
Sempods Kotlin
sempods reference implementation for the JVM — pod server, identity service, hosted MCP, clients
KnowledgeBaseKit
A local knowledge base for Markdown notes on macOS: SQLite + sqlite-vec + Ollama, with hybrid keyword/semantic/graph retrieval and an MCP server.
A Memory
a-memory: 4-tier AI agent memory in plain SQLite — 5 MCP primitives, hybrid FTS5+binary search, knowledge graphs, envelope encryption. Local-only.