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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.
Claude Plugins
Claude Code plugin — code quality hooks, knowledge graph, impact-aware reviews, decomposition enforcement. Babysitter for your AI's code quality.
Friday
The open-source persistent cognitive memory layer for AI coding agents. Stop your Cursor, Claude & Copilot from having amnesia.
Zettelforge
Agentic memory for CTI in Python — STIX knowledge graphs, threat-actor alias resolution, offline-first RAG, MCP server for Claude Code and LangChain agents
ZettelForge
Agentic memory for CTI in Python — STIX knowledge graphs, threat-actor alias resolution, offline-first RAG, MCP server for Claude Code and LangChain agents
Agentic Stack Desktop
Native macOS workspace with one local knowledge graph across Claude Code, Codex, OpenCode, and Cursor.
LLM Wiki
Git-backed wiki engine with MCP server — build knowledge that compounds
Par
Persistent Agent Runtime — self-hosted cognitive runtime for AI coding agents: semantic memory, knowledge graph, agent coordination, event-driven workflows, and autonomous self-ma…
Open Memory Protocol
Open Memory Protocol — open spec for AI-agent memory: recall, remember, link, observe, validate. CC BY 4.0.
LeanKG
Index codebases into a local knowledge graph to provide accurate context for AI coding tools through a direct MCP server connection.
Open Ontologies
AI-native ontology engine: a Rust MCP server with tools for building, validating, querying, and reasoning over RDF/OWL ontologies. In-memory Oxigraph triple store, native OWL2-DL…
Openclaw Engram
Local-first memory plugin for OpenClaw AI agents. LLM-powered extraction, plain markdown storage, hybrid search via QMD. Gives agents persistent long-term memory across conversati…
Samyama Graph
Graph-vector database that queried 1 billion edges for $2.50. Rust, OpenCypher, vector search, 14 graph algorithms. 74M nodes / 1B edges on a single machine.
Remnic
Local-first memory plugin for OpenClaw AI agents. LLM-powered extraction, plain markdown storage, hybrid search via QMD. Gives agents persistent long-term memory across conversati…
Brain In The Fish
Score any document. Prove every claim.
Ontosphere
Browser-based RDF/ontology knowledge graph editor — load RDF from files, URLs or SPARQL endpoints; author nodes and edges on the canvas; run OWL-RL reasoning; apply multi-algorith…
Pmb
Local-first persistent memory for AI coding agents (Claude Code, Cursor, Codex) via MCP. 94.5% LoCoMo recall@10, 70ms p50, multilingual, zero API keys.
Kwipu
Ask questions across your Markdown notes using a fully local Graph RAG engine. Built for Obsidian vaults, works with any folder of Markdown files. Extracts entity-relation triples…
Anda Brain
🧠 A native graph-based memory system for autonomous AI agents, featuring bio-inspired sleep-based memory consolidation and powered by KIP & AndaDB.
Okf Skills
The OKF toolkit for Claude Code — author, maintain, validate & visualize Open Knowledge Format bundles. Claude Code plugin + skills.sh.
Iva
AI assistant in Telegram that remembers everything and helps you run your life. Self-hosted in one command.
Cortex Engine
Cognitive engine for AI agents — semantic memory, observations, embeddings, dream consolidation. Cloud Run service + MCP tools.
Memexa
A traceable personal memory layer that carries verified state across apps, models, and AI agents.
Neuromesh
The Biomimetic Context Engine & Neural Runtime for AI Coding Assistants
Mykg
Knowledge graph extractor: Markdown (or any format) to knowledge graph with RDFS/OWL ontology
Axon Pro
Enterprise-grade graph-powered code intelligence engine. Deep structural awareness for Laravel, PHP, Python, and JS. Powers AI agents with high-fidelity architectural context via…
Papergraph MCP
Turn local and arXiv LaTeX papers into queryable theorem-proof dependency graphs for AI agents via MCP.
Okto Pulse
Local-first, spec-driven SDLC workbench with governance gates, knowledge graphs, and MCP for AI coding agents.
Metronix Memory
Metronix Memory is self-hosted memory infrastructure for AI agents: MCP-native, local-model friendly, with hybrid RAG, a temporal knowledge graph and ontology layer, durable memor…
Graphify Dotnet
A .NET 10 port of graphify - AI knowledge graph builder for codebases using GitHub Copilot SDK and Microsoft.Extensions.AI
Tracedecay
Local semantic code intelligence, project memory, and workflow context for AI coding agents.
Hermes Gbrain Bridge
Convert Hermes / OpenClaw agent memory (JSONL sessions, MEMORY.md) to markdown for gBrain ingest
SparrowDB
Embedded graph database — Cypher queries, no server, no subscription. Rust-native with Python, Node.js & Ruby bindings.
Infigraph
AST-powered code intelligence engine. Graph database + hybrid semantic search for 62 languages. Zero LLM dependency. Runs locally.
LLM Wiki Newsroom
Harness engineering applied to knowledge production: a self-evolving multi-agent newsroom that turns your documents into a cross-linked markdown wiki. A "reground" loop pulls publ…
Mcpb
PolyNeural.ai MCP Bundle for persistent AI memory through knowledge graphs
Shieldcortex
Trustworthy memory and security for AI agents. Memory firewall for any host that writes through it; runtime tool gates on Claude Code, OpenClaw, and Hermes.
Backend MCP
The backend for Solvro's Knowledge Graph MCP
Productive
Open-source knowledge graph app with optional AI-augmented capture and retrieval, made for human and agent
Jurisd
Model Context Protocol server for Australian legislation and case law search.
Wenlan
Local-first memory layer for AI agents - MCP server
LLM Wiki
Git-backed wiki engine with MCP server — build knowledge that compounds
Recollect
Self-hosted AI memory and MCP coordination for coding agents. Persistent context across repositories and sessions, with knowledge graphs, hybrid search, and a desktop web UI. Buil…
Renfield
Self-hosted AI assistant with voice satellites, 100+ tool integrations, RAG knowledge base, and full offline capability. Built with FastAPI + React + Ollama.
Renfield
Self-hosted AI assistant with voice satellites, 100+ tool integrations, RAG knowledge base, and full offline capability. Built with FastAPI + React + Ollama.
Mempalace Rs
A high-performance, local, offline-first AI memory system built in Rust
Mempalace Rs
A high-performance, local, offline-first AI memory system built in Rust
Remembrallmcp
Whole-codebase knowledge for AI coding agents. A field-aware code graph (functions, classes, methods, fields, references) plus persistent memory. Rust, Postgres + pgvector, MCP.
Remembrallmcp
Whole-codebase knowledge for AI coding agents. A field-aware code graph (functions, classes, methods, fields, references) plus persistent memory. Rust, Postgres + pgvector, MCP.
Graft
Your coding agents forget. Graft doesn't. Persistent local memory that brings back fixes, decisions and project knowledge when they matter — across Claude Code, Codex, ChatGPT and…
Resonant Mind
Persistent cognitive infrastructure for AI systems. 28 MCP tools — semantic memory, emotional processing, identity continuity, and a subconscious daemon. Built on Cloudflare Worke…