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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.
Knowledge Graph
Clinical intelligence tool built across 6 phases — demonstrates reducing LLM hallucinations and cost by moving work into infrastructure
Ariadne
One agent tracing a single entity's evidence across graph, relational, and text stores into a cited analytic note. Built on the Claude Agent SDK.
Cortex
Persistent memory for AI coding agents — knowledge graph, importance scoring, vector search
Pulse
Local-first, state-aware memory engine for AI agents (MCP). Retrieves the right remembered episode for your current state — and shows why — instead of the closest text match. Clau…
ContextOS
The Autonomous Spatial Intelligence Layer for AI Agents. ContextOS bridges the gap between raw development activity and structured AI context using a 3D Aether HUD, Gemini-powered…
Nexus
Local-first metabrain plugin for Claude Code. 29 MCP tools · Knowledge Graph + blast-radius + Conflicts resolution · Continuous Handover (live per-project cards) · sliding fuel mo…
Second Brain
A living, always-fresh, low-token map of any project: files, code imports, doc links, areas, decisions and git sessions, queried by AI and explored by humans in an offline 2D comm…
LeafLoom
Local-first knowledge base & personal wiki for Markdown and HTML. Keep files and search on your computer. Connect ChatGPT, MCP, Skills and AI Chat, with source-linked search and a…
Sati
面向专利代理人、专利律师与知识产权从业者的桌面端专利智能体
Cortex
Cortex Memory MCP Server - Knowledge management with autonomous decision support
Nexus Memory
Universal shared memory for AI agents — one brain for all your agents, 100% local & private. Works with Hermes, OpenClaw, Claude Code, Cursor. (Not the PyPI 'nexus-memory' package)
Allan MCP Memory Code
Store persistent knowledge graphs for AI coding assistants using a local Docker setup with hybrid search and entity extraction.
Context Graph
Decision-aware knowledge graph on LightRAG: extends (head, relation, tail) triples into contextual quadruples (h, r, t, rc) that capture decision lineage — who approved what, why,…
Backend MCP
The backend for Solvro's Knowledge Graph MCP
Atlas
Local-first memory, knowledge and evidence infrastructure for AI agents. Persistent state, hybrid search, graph + MCP. Signed releases, one-line install. Free tier.
Hippocampus
Shared, curated memory for a party of AI agents — an Obsidian vault run like a TTRPG campaign wiki. Agents write episodes; a nightly sleep consolidates them into canon.
Agentic Memory
6-layer persistent memory (sensory, working, episodic, semantic, long-term, procedural) with non-destructive belief revision and injection-safe context synthesis — an MCP server f…
Sparql MCP
A read-only MCP server that exposes a SPARQL 1.1 endpoint as agent tools: query, ask, list graphs, describe entity. Every write verb is rejected before it reaches the store, so an…
HiveMem
Personal knowledge system — MCP server with PostgreSQL semantic search and temporal knowledge graph
codex-memory
多智能体共用的项目状态控制平面：任务、检查点、代码地图、实时事件流
RepoMind
Multi-agent AI system that understands a Python codebase: RAG, a Neo4j knowledge graph, and AST static analysis, behind an MCP server/client and a human-approval gate for the one…
Decision Graph
Engineering decision memory for your organization. Extract the why behind your code from PRs, issues, and commits, then ask natural-language questions - dg ask "Why was this built…
NeuroVault
NeuroVault - A self-evolving 3D knowledge brain that runs entirely on your machine. SQLite + FTS5, 31 autonomous circuits, HNSW vector search, Obsidian vault, MCP integration.
Ebrain
Persistent External Brain for AI Coding Agents. 6 memory tiers, sub-100ms recall, 107K+ memories, 21 MCP tools, 85+ REST endpoints. Built in Rust.
Nexus Kb
Nexus-KB is an open-source reference architecture for building a production-grade enterprise Retrieval-Augmented Generation (RAG) and Knowledge Graph (KG) engine.
Acefelix
基于手动维护数据的aceFelix个人知识图谱系统，支持实体和关系的增删改查、图结构查询，并提供宇宙银河主题的 3D 可视化展示。
Prbe Knowledge
Self-hosted knowledge engine: ingest your team's tools, hybrid (vector+keyword+graph) retrieval, cited LLM answers.
ContextLedger
Local-first, human-editable memory infrastructure for AI agents. Git for AI memory.
LiLara-AI/shadowgraph
invoked review conditions in a local file. Stdio MCP server; install from GitHub with Node.js 20+.
Nexo
Turn any folder into a queryable knowledge graph for AI assistants — CLI + MCP server
Xbrlkit
Work with XBRL filings above Arelle: one parse, portable models
Persistent Memory Stack
Self-hosted memory for Claude, Codex, and MCP AI agents. Carry context across sessions with semantic search, a visual knowledge graph, document evidence, and optional shared knowl…
GrayMatterEnvironment
The Gray Matter suite, developed as one tree: Neuron (persistent semantic memory), NeuRAG (hierarchical knowledge base) and Gray Matter (the MCP gateway that runs them as managed…
Slashyear
86,902 sourced historical events as structured rows — every one a verbatim sentence from a cited Wikipedia revision. Live API + MCP server at slashyear.com
Setup Claude Memory
Give Claude a memory that stays on your Mac and syncs through accounts you already own. One command.
Graffiti
Turn any repo into a queryable code graph your AI assistant reads instead of grepping. One static Go binary — zero API keys, $0, fully offline, deterministic.
Binggupack
AI와 일하며 쌓이는 내 판단·실수·취향·규칙을, 자동 저장 없이 내가 승인한 것만 내 PC 장부에 남기고 다음 작업 전에 다시 꺼내주는 로컬 우선 개인 기억 엔진.
Contextual Memory Architecture
A local-first, Obsidian-compatible memory layer for persistent AI agents. Reasoner + Retriever + Recorder over a markdown vault.
Veridge
The always-fresh, low-token map of a whole project — docs, code (to the symbol, multi-language), decisions — unified in one graph, ranked by PageRank, served to AI and humans. Zer…
Dharma Tech
Buddhist AI — find texts, compare traditions, track practice, run Computational Madhyamaka. Local LLM + knowledge graph. No API keys.
Cnode Shell
c:node — souveräne, belegbare Open-Core KI-Shell (Chat + Wissensgraph + Fach-Agenten, lokal lauffähig). AGPL-3.0. Demo: try.c-node.ai
Ariad
Hybrid code intelligence: native WASM indexer, human memory graph, Obsidian sync, and V1 C fallback.
Agentic Nexus
Go-first, knowledge-graph-grounded agent platform — built on toolnexus + ctx-optimize
Gokg
A local semantic knowledge graph and MCP server for Go
Asandberg Harness
Spec-driven + eval-driven development harness for Claude Code, with Cognee KG+RAG memory. Grafts into your existing ~/.claude/ without overwriting.
Prax
Self-hosted personal knowledge base: bring in what you read, collect and write — papers, manuals, web pages, chats — then search it, ask it, see how it connects, and let your too…
Accounting Esperanto
Kontablo is a graph-based, UUID-keyed universal accounting ontology bridging local jurisdictional charts, international standards (IFRS/XBRL), the agentic economy (MCP/A2A/AP2), a…
Taskforce Docs
Brain OS - the versioned documentation vault behind TaskForce, the AI execution layer for teams that ship. Architecture, ADRs, API contracts, runbooks, security and R&D.
Valence
Local-first epistemic knowledge substrate for AI agents — provenance, contention, stigmergic refinement, MCP-native
Mollygraph
Embedded local-first graph and vector memory for AI agents, with Ladybug storage, GLiNER2 extraction, and MCP/API/SDK access.