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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.
Engram Go
Self-hosted MCP memory server — 35 tools for persistent context across AI coding sessions. Runs on Docker with PostgreSQL + pgvector + Ollama.
KnowledgeGraph
MCP server providing long-term memory for AI agents — knowledge graph with Qwen3 embeddings, continuous learning, and knowledge evolution
TheStack-ai/waypath
aware recall via FTS5 and RRF, and governed memory with explicit promote and review gates. Ships Codex and Claude Code host shims and a native MCP server.
Understand Quickly
Public registry of code-knowledge graphs for AI agents. Awesome-list 2.0: pointers to schema-validated content, not just links.
Graphstore
Memory infrastructure for AI agents!! store, recall by meaning or association, ingest documents, and track beliefs in one Python library.
stevepridemore/graph-memory
device use across Claude Code, Desktop, web, and iOS.
Research Paper Connection Finder
Interactive AI agent system that utilizes FastMCP and graph networks to map out research paper connections and discover collaborative project ideas.
Nram
Self-hosted long-term memory substrate for any LLM-using tool. Hybrid vector + lexical recall with MMR reranking, auto-extracted knowledge graph, sleep-style consolidation, per-pr…
Palace Rs
Local-first AI memory system in Rust with SQLite storage, semantic search, knowledge graph, MCP server, and CLI.
Cgx
Turn any Git repo into a queryable knowledge graph. Tree-sitter + git history + DuckDB + WebGL graph. MCP server for Cursor & Claude Code.
Skymem Io
The trusted state layer for persistent AI agents. Structured cognition, audit-grade observability, MCP-native. Self-hostable. ELv2.
soolaugust/0CompactMem
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Dense Mem
Self-hosted AI agent memory server with MCP, evidence provenance, typed claims, conflict detection, embeddings, recall, PostgreSQL, and Neo4j.
DocGraph
Govern your documents like code. MCP server that indexes .md/.docx/.html/.pdf into a SQLite knowledge graph and runs drift audits — stale policies, conflicting research claims, su…
Glyphtrail
Local code intelligence graph for AI coding agents: Tree-sitter static analysis, structural code search, dependency impact, blast-radius analysis, CLI and MCP server.
Kumbukum
Open source memory infrastructure for AI and humans. Turn scattered knowledge into AI-ready context across Claude, Cursor, ChatGPT, and any MCP client.
TheGoatPsy/mneme
native, accountable memory for Claude Code and any MCP client. Markdown is the source of truth, no LLM on the Stop path, redaction before every derived store.
LLM Kernel
Rust foundation library for AI-native apps — 16-provider catalog, async LLM client, MCP server, knowledge graph, local ONNX embedding (44 models), and safety utilities
mcasdfgf/mcp-roo-memory
based deployment with Qdrant.
Aionforge Memory
A Rust-native agentic memory substrate built on the selene-db graph engine: a bi-temporal knowledge graph, hybrid retrieval, and an optional MCP server.
Hades Plugin
The Claude Code plugin for Hades — Unity-aware AI infrastructure. Install via the marketplace; built from [TheArcForge/Hades].
Ontology Atlas
Local-first ontology memory for plain Codex/Claude Code via Atlas MCP/CLI: product meaning, code evidence, verification paths.
Deep Ass Research
IDE-agnostic deep-research framework for AI agents: maps a topic wide, commits to depth on purpose, adversarially verifies its findings, and synthesizes them into a backlinked, pr…
Awesome Agentic Knowledge Base
Empirical map of 46 trending AI agent repos: storage, memory, MCP, retrieval — what they actually use, ranked by adoption
Memkin
Local-first personal memory extraction and storage。一个面向个人工作场景下的、本地优先的记忆系统
Codesynapse
MCP server for code intelligence - maps source code into a knowledge graph so AI tools understand architecture, not just files. Built in Rust.
Streamient
Open source memory infrastructure for AI and humans. Turn scattered knowledge into AI-ready context across Claude, Cursor, ChatGPT, and any MCP client.
jagoff/memo
machine git sync.
rwnalds/engram
graph dashboard, and Obsidian compatibility.
Saige
saige - Super Artificial Intelligence Graph Environment. A unified Go SDK, CLI, and MCP server for streaming AI agents, knowledge graphs, and RAG pipelines, with Ollama, OpenAI, A…
liftkkkk/owl-mcp
MCP server for OWL/TTL/RDF ontologies. Supports SPARQL queries, HermiT/Pellet reasoning, and CRUD operations on knowledge graphs. Works with Claude Desktop, Cursor, and Windsurf.
Qarinah
Qarinah is evidence-linked project memory for coding agents - compact enough to save context, inspectable enough to trust.
Ridge
MCP server that reverse-engineers architecture from code (Go, TypeScript, Python) and markdown into a structured graph. Detects drift between any two branches, tags, or commits
Engrama
A memory graph designed for the agent that uses it, not the human who feeds it. Engrama reconstructs context from associations on demand, replacing the "stuff everything into the…
N2n Memory
Project-local MCP memory server for AI coding agents. Knowledge graph stored in .mcp/ inside each repo — isolated per project, Git-friendly JSON, dual-buffer (durable graph + acti…
Episteme
A production-ready knowledge graph system for software engineering that connects design patterns, refactoring techniques, and software laws through semantic relationships. Built f…
Claudecode Plugins
Knowledge graph memory for Claude Code — persistent nodes, typed edges, auto-compaction. Claude remembers across sessions without re-explaining context.
Ytb CLI
YouTube from the terminal with no API key: videos, channels, search, comments, transcripts and ranged downloads, every record saying which public surface answered.
VMem
Zero context compaction for Claude Code & LLM agents. Persistent memory powered by OS primitives (demand paging, kswapd eviction, mlock pinning). Single SQLite file, MCP-native, m…
ERINYS Mem
Reflexive memory for AI agents — forgets, distills, and dreams. MCP server with 28 tools.
HoloCore
Local-first AI context engine combining a structural Atlas, verified Archive, episodic Animus memory, CLI, MCP, and focused context routing.
Flux Memory
Self-organizing retrieval fabric for AI memory — deployable MCP server, REST API, and Python SDK
Knitbrain
The local-first brain for coding agents: project memory + workflow intelligence + lossless ~50% context savings. MCP server + LLM proxy, zero cloud.
ResearchGravity
Metaventions AI Research Framework — Multi-tier signal capture for frontier intelligence. Architected Intelligence.
Springgraph
Spring Cloud code knowledge graph and MCP server for AI coding agents
Better Memory MCP
Enhanced MCP memory server with advanced graph operations: observation-level search, relation filtering, neighbor traversal, subgraph extraction, and path finding. Fork of @modelc…
Logica Mind
The continuity substrate for AI agents — memory that becomes a mind: a versioned self-model, a cognitive heartbeat, a shared cortex, metacognition & debate, on temporal-graph memo…
Graspful
Agent-first adaptive learning platform. Create courses as YAML knowledge graphs via CLI or MCP server. AI agents scaffold, fill, review, and publish — no UI required. Adaptive dia…
Codeloom
Your AI agent's codebase map. Local-first, hybrid-search code graph for 51+ languages & formats. MCP server. 100% private.
Menerio
One brain for all your AI tools. Capture your thoughts once, and every AI can understand, use, and build on them.