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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.
Graph Memory MCP
Semantic, persistent knowledge graph memory for LLM-based and multi-agent systems, exposed via the Model Context Protocol (MCP).
Mind MCP Server
MIND MCP Server — 44 tools, 384 actions. Persistent memory + every MIND app for any MCP agent. Mirror of MINDapp/mcp-server; npm @astramindapp/mcp-server
Archiver Rag
Agent-agnostic semantic memory for your vault. Turns notes into a queryable knowledge graph any MCP agent can search, log to, and reorganize.
Astrolabe
The full-state-verification layer for AI coding agents: one native MCP server (Rust host, C engine) that turns a repository into measured, grounded, guarded, predictive, self-impr…
Wiki Vault
Knowledge Vault MCP Server — structured wiki with BM25 search, typed knowledge graph, batch validation, and companion skills for autonomous knowledge compilation.
Aleph Protocol
Autonomous federated knowledge network for collaborative AI agents.
Graphora
The code knowledge graph that reviews your changes. Blast radius, risk memory from git history, and 82-94% fewer prompt tokens. Zero Docker, no LLM to build, 11 languages
Palimpsest
Local-first, battle-tested, memory that never disappears. Hybrid vector search + knowledge graph + full-text retrieval for AI agents.
Daksh-create349/Contradiction-MCP
mcp`
Hopai
A knowledge graph in the Postgres you already run — multi-hop traversal, mutation, and vector search via recursive CTEs on two plain tables. No graph database, no extension.
Reckons.AI
A local-first personal knowledge graph — turn documents, web pages, and notes into a reviewable graph of facts, stored as a standard Turtle (.ttl) file you own.
Project Calm Forge
intent as code
Ultimate AI Starter Bundle
Ultimate AI Starter Bundle multi-provider skills/MCP/plugins (Claude, Codex, Grok, Kimi, Hermes) + optional full Skyrim SE/AE modding stack. Not Skyrim-only. Ships codebase-memory…
AI Prompt Guide MCP
Deprecated. MCP server and Claude Code plugin with task driven agent orchestration workflows, guides, markdown knowledge graphs, with intelligent context injection.
Okn
Next Generation MCP service to query the NSF Open Knowledge Network Knowledge Graphs
Madeinoz Knowledge System
Knowledge pack for PAI
Self Evolving Hypergraph Memory
Self-evolving Hypergraph Memory — 自演化超图记忆引擎: τ 衰减遗忘 · Hebbian 关联强化 · 离线梦境整合 · 多模态证据检索 · 谓词论元与类型锚定抽取 · 确定性时间层 · 会话作用域隔离 · 本体驱动组织 (FastAPI + OverGraph + FAISS, 全开源)
Memorix
🔗 Connect AI agents with a shared memory system to keep conversations seamless and information persistent across sessions.
Engram
Local-first code intelligence and MCP-native review engine for Python and TypeScript repositories
Codebase Intel
Your AI agent writes code — but does it know WHY your code exists? Decision provenance, quality contracts, and AI anti-pattern detection for coding agents. 19 languages. MCP compa…
Astrolabe
The full-state-verification layer for AI coding agents: one native MCP server (Rust host, C engine) that turns a repository into measured, grounded, guarded, predictive, self-impr…
CodePrism
Standalone Python package + MCP server that builds and maintains a persistent knowledge graph of any codebase, exposing precise, token-efficient context to AI coding agents.
AMP
Agent Memory Protocol — 插件化、即插即用的跨 Agent 记忆引擎，让记忆跨工具共享与继承 | Plug-and-play memory engine for AI agents
Aether
Evidence-driven AI development workbench for model evaluation, project context, and controlled agent execution.
Synapse
Synapse AKG: High-performance Agentic Knowledge Graph with hybrid search (KNN + BM25 + RRF) for AI agents
REAgraph
Persistent graph memory + structural diff for reverse engineering. The memory/structure layer for REA-style findings.
Codegraph
Token-efficient code knowledge graph for AI coding agents — type-checker-accurate call graphs for Go & TypeScript/JS, served over MCP.
Intentweave
Semantic knowledge extraction for code and docs — CARI local index + LLM knowledge graph
Companion For Claude
🟠 Cowork with Claude inside your Obsidian vault — chat, agent mode, sandboxed HTML artifacts, evidence-backed research, and an MCP bridge to Claude Code. Free, MIT, bring your own…
Faulkner DB
Temporal Knowledge Graph System for Architectural Memory - Track decisions, patterns, and failures with MCP integration for Claude Code/Desktop
Rag LLM Wiki Knowledge Base
Self-hosted RAG x LLM Wiki knowledge base framework: document parsing/chunking/vectorization, knowledge graph, hybrid retrieval (vector + graph), multi-tenant API-key isolation, s…
Agentforge Graph
Turn any repo into a Code Knowledge Graph your coding agent can reason over — symbols, API routes, ORM models, architecture decisions & git history as a typed, provenance-tracked…
Agent Infrastructure Landscape
AI agent memory & infrastructure landscape — comparative catalog of 912 systems × 68 columns covering memory layers, agent frameworks, runtimes, vector stores, knowledge graphs, M…
FactGraph
Agent-native incident investigation graph: analysts and AI agents (MCP/REST) link evidence from EDR, Entra ID, cloud and GitHub logs into one shared, real-time attack graph and ti…
Tensory
Tensory — Claim-native MCP Memory Server. LLM claim extraction → Graph + Vector + SQLite. Zero-setup persistent memory for Claude, Cursor & any MCP client.
Oh My ClaudeClaw
Autonomous AI assistant plugin for Claude Code — 5 MCP servers, 21 skills, 3-tier persistent memory, knowledge graph, multi-agent orchestration with Discord/Telegram integration f…
AI Rem
Shared long-term memory as a knowledge-graph MCP server — persistent context, preferences and project knowledge for Claude Code, opencode and any MCP-capable AI agent.
MeMex Zero RAG
The Karpathy LLM Wiki, production-ready. Zero-RAG personal knowledge base with MCP server, multi-agent support, knowledge graph visualization, and hallucination enforcement. No em…
Tinybrain
LLM local persistent storage for security nerds
Pinakes Rs
Self-hosted knowledge service for AI agents: an LLM-maintained wiki and a business graph, searched in milliseconds, far faster than RAG, with no LLM or database on the read path.…
Engram
ENGRAM — an epistemic memory substrate for AI agents. Public release snapshots (one squashed commit per version).
Tusk
Agent memory you can code-review. Tusk indexes a folder of markdown into a typed, searchable graph your agents query over MCP. It stays plain files in git, and tusk doctor fails C…
Hyphae
Code intelligence MCP server — turns your repos into a self-learning knowledge graph for Claude Code
Allan MCP Memory Code
Store persistent knowledge graphs for AI coding assistants using a local Docker setup with hybrid search and entity extraction.
ASTRO
A knowledge-graph workspace where every note is a star in a real, directly-editable 3D graph. Local-first: plain Markdown + JSON on disk, no database, no account. Constellation Mo…
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)
Constellation
MCP server that turns a markdown corpus into a searchable knowledge graph — hybrid semantic + lexical search for AI agents, plus an interactive constellation viewer
Memnos
Persistent memory for AI coding agents — MCP server, REST API & Python SDK. Works with Claude Code, Cursor, Windsurf and any LLM agent.
Contextlake
A local context layer for AI tools: mirror your repositories, index them into a knowledge graph, and serve it over MCP so agents answer from real source instead of guessing.
Unity AI Project Brain
Open-source AI context engine for Unity projects: GitNexus code graph, Unity GUID/fileID scene and prefab graph, Roslyn symbols, runtime evidence, and read-only MCP/Context API fo…