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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.
Memory Agent Hub
2026 swarm Agent 年，swarm Agent 、Agent team、 ai coding、skill、memory、evolve、agentic RL 等 AI Agent集合
Agentic Graph RAG
Agentic Graph RAG: Skeleton Indexing + VectorCypher + Agentic Router with Self-Correction
Dkg MCP Server
OriginTrail Decentralized Knowledge Graph (DKG) is a decentralized knowledge infrastructure for multi-agent AI memory — enabling agents to publish, verify, and query shared knowle…
Obsidian MCP Plugin
High-performance Model Context Protocol (MCP) server for Obsidian that provides AI tools with direct vault access through semantic operations and HTTP transport.
Graphicle
Code graph and memory for your coding agents, in one Rust program. For Claude Code, Codex, Cursor and any MCP client.
Base
AI builder operating system. Turn Claude Code from a per-session tool into a workspace that remembers, maintains itself, and never goes stale. BASE = Builder's Automated State Eng…
SodaMem
Agentic memory infra for AI agents
OnCo
OnCo: total information dominance on cancer. A public, cited knowledge graph of oncology with a website, JSON API, MCP server and CLI: one page per cancer, treatment, target, tria…
Mnemosyne
Evidence-backed memory for AI agents: local-first recall, temporal history, tested skills, and gradual migration.
AI Engineer
Runnable AI engineering modules: agents, MCP, memory, RAG, voice, fine-tuning, MLOps, and security. One folder per module.
Dkg MCP Server
OriginTrail Decentralized Knowledge Graph (DKG) is a decentralized knowledge infrastructure for multi-agent AI memory — enabling agents to publish, verify, and query shared knowle…
Mnem
Git for AI Agent Knowledge. A persistent, versioned memory layer for AI systems. Hybrid GraphRAG retrieval. Runs entirely offline.
Knowledge Graph System
Kappa Graph — κ(G). A semantic knowledge graph where knowledge has weight. Extracts concepts, measures grounding strength, preserves disagreement, traces everything to source.
kg-cli
Kappa Graph — κ(G). A semantic knowledge graph where knowledge has weight. Extracts concepts, measures grounding strength, preserves disagreement, traces everything to source.
Agent Brain
Local-first RAG memory for AI agents: hybrid + GraphRAG search, MCP server with OAuth 2.1, plugin for Claude Code / OpenCode / Codex.
Agent Brain
Local-first RAG memory for AI agents: hybrid + GraphRAG search, MCP server with OAuth 2.1, plugin for Claude Code / OpenCode / Codex.
Skill Manager
Zero-dependency CLI to scan, recommend, deduplicate, audit, and visualize Claude Code / Codex skills and MCP servers.
MyAgentHubs/aimemo
dependency MCP memory server. Single binary, 100% local, no Docker.
Ori Mnemos
Local-first persistent agentic memory powered by Recursive Memory Harness (RMH). Open source must win.
Corbell
AI-powered spec generation and review using multi-repo code graph intelligence for backend teams that ship to production.
Corpusos
Open-source protocol suite standardizing LLM, Vector, Graph, and Embedding infrastructure across LangChain, LlamaIndex, AutoGen, CrewAI, Semantic Kernel, and MCP. 3,330+ conforman…
Grafeo
Grafeo is a pure-Rust, high-performance graph database that can be embedded as a library or run as a standalone database, with optional in-memory or persistent storage. Grafeo sup…
Swarmvault
Inspired by Karpathy's LLM Wiki. Local-first LLM knowledge base compiler (Claude Code, Codex, OpenCode, OpenClaw). Turn raw research into a persistent markdown wiki, knowledge gra…
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.
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…
OpenLore
openlore provides persistent architectural memory for AI coding agents by turning codebases into queryable knowledge graphs featuring static analysis, living specs, automated drif…
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…
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…
Hypha
Person OS for your static exports — local-first personal/org knowledge graph library, agent-navigable via MCP.
Open Index
The structured context layer for AI agents. Build self-learning specialised agents that are context aware.
Thoughtdag
Your thinking deserves a map: an infinite canvas where LLM conversations grow into an editable thought graph. Wires are the context.
Lemmalog
A Datalog engine for LLM agent memory: stratified rules, provenance-tracked facts, incremental derivation, and an MCP server that lets your harness use it as a shared brain.
Iva Agent
AI assistant in Telegram that remembers everything and helps you run your life. Self-hosted in one command.
Dsh Memory
白箱AGI架构探索：元认知（自我认知循环）、持续学习（知识飞轮）、世界模型（条件空间+语义时空图）、自我改进（自举纪律）、零LLM白箱管线与可审计信任护栏。
Graph Of Skills
[EMNLP '26] Dependency-Aware Structural Retrieval for Massive Agent Skills
Agentopology
Harness as code — the Terraform for AI agents. Define your agent team AND its memory once, deploy to Claude Code, OpenClaw, Cursor, Codex, Gemini, Copilot, Kiro. Declarative .at l…
Origin
MCP server that manages MCP servers
Code Graph MCP
AST knowledge graph MCP server for Claude Code — semantic search, call graph traversal, HTTP route tracing, impact analysis. Auto-indexes 10 languages via Tree-sitter.
Hydra
Context hydration engine for second brains — turns scattered agent work into a connected Obsidian vault. 100% Swift: SwiftUI app, CLI, and MCP server.
Qwksearch MCP Server
MCP server exposing web search and content extraction tools via stdio transport
Awesome OKF
OKF (Open Knowledge Format) — curated catalog of tools, plugins, skills, proposals, and docs for agent-friendly knowledge. YAML-driven, agent-searchable, MCP-ready.
Atlas
Open-source local-first cognitive memory. AGM-compliant belief revision (49/49 postulates). When a fact changes, downstream beliefs are automatically re-evaluated, not just flagge…
BrAIn
Self-improving project memory that documents its own creation — built on Cognee Cloud. Cures context rot for AI development.
Wenlan
A living personal wiki. Wenlan turns your documents, notes, and AI chats into pages with links to their sources, and updates them as sources change without overwriting your edits.…
Mind
Persistent memory for AI coding agents: automatic capture, explainable recall, knowledge consolidation, privacy controls, and portable offline storage. One Python file, zero depen…
Rta Smriti Brain
Local-first, evidence-aware project memory for AI coding agents.
Compass
Compass is a context engine that builds a knowledge graph of your organization's metadata, capturing entities, relationships, and lineage across systems and time, making it disc…