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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.
Cortex AI
Cortex AI is an engineering template for Claude Code (and others) focused on zero context loss. It features a 4-layer architecture with 12 specialized subagents, custom slash comm…
Immutlex
An immutable knowledge base your AI agent queries over MCP. Wiki-link graph, fused search, 74 MCP tools, runs local. https://immutlex.dev
Portuni
Portuni is a shared map of how your organization works – its processes, projects, areas, and principles – held as one graph that every tool and every AI agent can read. People and…
Glyphoxa V1
AI-Powered Voice NPCs for Tabletop RPGs — real-time voice AI framework written in Go
LatticeAI
Local-first private AI memory layer / Digital Brain for conversations, documents, decisions, and model-agnostic knowledge.
Gaptime
GapTime: bi-temporal knowledge-graph memory for production agents. Every fact carries valid time and transaction time, so you time-travel to what was known at any instant, superse…
Graphiquest
Local-first 3D knowledge-graph dashboard for codebases. Built on Graphify. Explore repos in Hivemind, run Hunter audits, trace nodes, and query graph context with Claude Code.
Knowledge Gateway
Filesystem/git-native MCP knowledge gateway: an Obsidian vault + code-graph and doc-to-markdown tools, served over MCP.
Ariadne Graph
MCP server that turns Python/TypeScript repos into a code knowledge graph — compiler-accurate SCIP + Tree-sitter hybrid, hybrid search, impact analysis
Atlas Agentic Rag
ATLAS: Agentic RAG as one coherent system — hybrid search + reranking + knowledge graph, tool-calling over MCP, multi-model routing, guardrails, and a real eval harness. Runs full…
2dph
Fact evidence-first brain with property graph + hybrid RAG. Search is deduction. ETL included.
Hermes Reverie
Reverie — graph memory that dreams. Hermes Agent memory provider: a Neo4j knowledge graph recalled every turn, hybrid semantic search, nightly Dreaming; thin client of mcp-reverie.
Kival
Self-hosted collaborative knowledge system for organizations.
Okflib
Store, query, and generate knowledge in the Open Knowledge Format (OKF) - markdown bundles with YAML frontmatter, trust signals, CLI, and LLM ingestion.
MindForge
Production-grade lifelong memory for AI agents — 4-tier memory, knowledge graph, E2EE, federated P2P, MCP server.
Echo Mem
Shared memory for AI agents on your own Postgres. The server never calls an LLM to write.
Mdgraph
Local-first, explainable Markdown document graph for AI coding agents — deterministic indexing, SQLite, and MCP.
Knomit
Git-backed knowledge management for AI agents: typed, provenanced facts in a distributed, decentralized knowledge base — not documents. Open source, MCP-native.
Xanther Context Engine
Context engine for coding agents. Indexes a repo into a multi-layer knowledge graph and serves precise architectural context over MCP. 78.2% on SWE-bench Verified at $0.22/instanc…
Awesome Agent Memory
Persistent memory, recall, knowledge graphs, and context tools for AI agents.
Numen
Proactive work intelligence for engineering teams. Connects Linear, GitHub, Slack, Jira, Notion and Google Docs into one context graph, scores what deserves attention, and answers…
Memory Plugin
Local-first memory, hybrid RAG, and agent personalization for AI coding agents. MCP + CLI for OpenCode, Claude Code, Codex, Gemini CLI, Antigravity, and Jules.
Circuit
Graph-backed code intelligence for coding agents — compiler-grade code structure wired to the git/PR/issue history that explains it, served over MCP.
OpenMnemex
Agent memory for LLMs — a self-pruning knowledge context graph modeled on human memory. Long-term, navigable, context-budget-aware memory with no vector DB, no embeddings, no serv…
AI Memory Comparison
Interactive comparison of persistent memory systems for AI coding agents and chatbots
Realbrain
Local-first operating memory, evidence graph, global workspace, and safe consolidation for AI agents
MidMem
Middleware memory layer for LLM agents: a shared knowledge store with hybrid retrieval, tiered memory, a knowledge graph, and governance, exposed over MCP, CLI, and API.
Novyx Vault
Local-first markdown workspace with AI memory, rollback, audit trails, knowledge graph, and desktop/cloud modes.
AgenticOS Workbench
A second brain and supervised Chief of Staff for Claude Code and Codex CLI: persistent memory, recall and session capture, plus proposals you approve before anything changes. Live…
Wisprnote AI
AI chief of staff for your meetings. No bot joins the call — Wisprnote listens on your Mac, turns months of meetings into a searchable knowledge graph, connects Jira, GitHub, Slac…
Treeloom
GraphRAG code search over MCP. Parses code with tree-sitter, weaves a Neo4j code graph, and serves hybrid semantic search to AI agents at lower cost than grep.
Lexicon
Typed catalog of cognitive primitives, cross-referenced and lineage-grounded, with a surfacing function on top.
Kaut
KAUT — Knowledge Actualization Under Trust: self-maintaining, AI-first project knowledge for AI agents. Source-bound docs, git-computed freshness verdicts, a gated write path, zer…
Sysml
CLI-native knowledge graph toolkit for SysML v2
Qmdc
A Markdown-native context graph for humans and AI agents.
Knowlp Rag
KnowLP-RAG: dual knowledge-graph RAG for Markdown notes — dsh plugin add @eqman00003/knowlp-rag · MCP + native Cordis plugin for DeepSeek Harness (dsh) & Claude Code
Memglow
Watch your AI's memory come alive — a live 3D brain of your Markdown notes that lights up as Claude Code, Cursor & other agents read, search and write.
Phantombot
Open-source web crawler and knowledge extraction engine for the AI agentic era. Turns the web into structured, agent-queryable knowledge.
Chatlore
All your AI conversations, one graph, one chat. Local-first graph knowledge base built from ChatGPT, Claude, and Gemini exports.
Nqlite
A context-first, deterministic, single-file database for AI agents — SQLite for AI memory. Records, typed graph relations, BYO embeddings, and time under one ACID transaction. No-…
Graph Mempalace Plugin
Claude Code plugin: a knowledge base of your project's conversations and code that builds and updates itself (MemPalace + Graphify)
PTG MEM
Chaos on your disk, order in your AI's context. Local memory for Claude Code and Codex: indexes notes, chats and code in the background, attaches only what matters to each prompt…
Kula
git, with a map. A local-first git client that turns your repo into a knowledge graph for you and your agents: graph UI, agent teams, fences, local issues and PRs, notes, MCP serv…
Cairn
Shared graph vault knowledge for your agents
Amazon Sorftime Research MCP Skill
Analyze Amazon listings and categories using Sorftime MCP to deliver detailed competitor insights and automated product selection.
Tome
Agent-native knowledge OS: turn messy PDFs, scans & DOCX into a verifiable, Markdown knowledge base that LLMs & AI agents read, search and curate — over REST, MCP and a React Libr…
Hippocampus
Self-hosted persistent long-term memory for Claude Code and MCP clients. One memory for every session and machine: hybrid BM25 + local vector + knowledge-graph search over plain M…
Zerograph
Knowledge graph of a repository's docs and code (15+ languages): ask by id, keyword or paraphrase, trace impact, serve it to agents over MCP — built and refreshed at zero model to…
Codegraph
A code graph an LLM can actually use. Tree-sitter across 6 languages, typed ontology with inferred architectural roles, impact analysis, 9 interactive views, MCP server. No embedd…
Obsidian MCP Server
A TypeScript MCP server for Obsidian supporting vault operations, graph analytics, advanced search, and semantic tools.