- Conduid
- Marketplace
- #knowledge-graph
MCP servers tagged knowledge-graph
208 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.
Octopoda OS
The open-source memory operating system for AI agents. Persistent memory, semantic search, loop detection, agent messaging, crash recovery, and real-time observability.
Superlocalmemory
World's first local-only AI memory to break 74% retrieval and 60% zero-LLM on LoCoMo. No cloud, no APIs, no data leaves your machine. Additionally, mode C (LLM/Cloud) - 87.7% LoCo…
Yantrikdb Server
Cognitive memory database for AI agents — consolidates duplicates, detects contradictions, fades stale memories via temporal decay. Rust, AGPL, ships as library / MCP server / HTT…
Brainapi2
BrainAPI is a knowledge graph–powered AI memory layer that transforms unstructured data into structured knowledge, enabling intelligent search, recommendations, and contextual mem…
Skill Manager
Zero-dependency CLI to scan, recommend, deduplicate, audit, and visualize Claude Code / Codex skills and MCP servers.
OpenLore
openlore provides persistent architectural memory for AI coding agents by turning codebases into queryable knowledge graphs featuring static analysis, living specs, automated drif…
Mnemon
LLM-supervised persistent memory for AI agents — graph-based recall, cross-session knowledge, single binary. Works with Claude Code, OpenClaw, and any CLI agent.
UnifiedModel
The semantic layer that makes enterprise data understandable to AI agents — model entities and relations once, query through SPL/MCP/REST, and connect telemetry, services, and bus…
Graphmind
Local-first code intelligence for AI assistants. Turns your codebase into a knowledge graph your AI can query, navigate, and remember. 25 MCP tools.
Marm Memory
Self-hosted, local-first MCP memory server for AI agents. Fast recall at 10k memories, hybrid semantic + exact-syntax search (RAG), code & concept knowledge graphs (158 languages)…
Fojin
Buddhist Digital Text Platform — 10,500+ texts, 613 sources, trilingual cross-canon, AI Q&A (RAG), knowledge graph, full-text search
Engraphis
Local-first, inspectable memory for coding agents: durable context across sessions and repositories, code-aware recall, bi-temporal history, MCP, and a self-hosted WebUI.
Caura
Caura (formerly MemClaw) — governed shared memory for AI agent fleets. Multi-agent, multi-tenant, MCP-native. Trust tiers, keystone policies, audit trails, knowledge graph, self-i…
Origin
Local-first memory layer for AI agents - MCP server
Pi
Pi (pi.dev) extension: topodb agent memory via one install.
Qwksearch MCP Server
MCP server exposing web search and content extraction tools via stdio transport
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…
LLM Wiki
Git-backed wiki engine with MCP server — build knowledge that compounds
LeanKG
LeanKG: Stop Burning Tokens. Start Coding Lean.
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
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…
Kept
Search, archive, and recall your AI conversations. ChatGPT, Claude, Gemini, Grok, Kimi. Local-first, MIT licensed.
Overmind
玄霖超脑 · 无量网络 v4 重构版— 66 模块6通道 AI 认知神经系统 · 装一次，你所有的 AI 工具从此共享一个永远不失忆的大脑。跨会话记忆 · 多 Agent 互通 · 自动代码审查 · 零配置
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.
Mcpb
PolyNeural.ai MCP Bundle for persistent AI memory through knowledge graphs
Obsidian Memory
MCP server that stores AI memories as Markdown files for visualization in Obsidian's graph view
Jurisd
Model Context Protocol server for Australian legislation and case law search.
Wenlan
Local-first memory layer for AI agents - MCP server
geo-server
MCP server providing full access to the Geo protocol SDK for knowledge graph operations
hi-ai
Model Context Protocol based AI development assistant with 35 specialized tools featuring Knowledge Graph memory, session context auto-injection, and code dependency analysis
memory-sqlite
Production-ready MCP memory server with SQLite WAL for thread-safe concurrent access. Drop-in replacement for @modelcontextprotocol/server-memory. Prevents race conditions and dat…
duckduckgo-search
MCP server for DuckDuckGo search
Openclaw Superpowers
44 plug-and-play skills for OpenClaw — self-modifying AI agent with cron scheduling, security guardrails, persistent memory, knowledge graphs, and MCP health monitoring. Your agen…
ContextGraph
Shared memory bus for MCP-compatible agents with permissions, subscriptions, and optional payments.
Nomik
Nomik is an AI-native code intelligence graph. It transforms your codebase into Neo4j and connects directly to AI agents via MCP.
Mayros
Production-ready AI agent framework — semantic memory, multi-agent mesh, MCP server, intelligent routing, governance, and 67+ platform integrations.
Dragon Brain
Dragon Brain — persistent long-term memory for AI agents via MCP (Model Context Protocol). Knowledge graph (FalkorDB) + vector search (Qdrant) + CUDA GPU embeddings. Works with Cl…
Cognithor
Cognithor - Agent OS: Local-first autonomous agent operating system. 16 LLM providers, 17 channels, 112+ MCP tools, 5-tier memory, A2A protocol, knowledge vault, voice, browser au…
Synaptic Memory
Brain-inspired knowledge graph: spreading activation, Hebbian learning, memory consolidation.
Hippograph Pro
Description: Self-hosted graph-based associative memory for personal AI agents. Spreading activation, emotional weighting, zero LLM cost.