Knowledge Graphs

Zero-Token-Waste Memory Engine, Knowledge Graph & Notes System for AI Coding Agents via MCP.

An Obsidian-compatible second brain: a wikilinked markdown vault and knowledge graph.

MCP Server for Cognition Engine & Trust Governance Layer — weighted graph traversal, AST constraint solving, and auditable injection approval for AI agents.

Code intelligence and deterministic verification for AI coding agents: symbol-level code graph, blast radius, dead-code analysis, and MCP servers for Claude Code, Cursor, and Codex

MCP server for Graspful — create adaptive learning courses from AI agents

MCP server for Obsidian GraphRAG, agent-ready context, preview-only planning, and safe repo handoffs

SafeClaw Neurosymbolic Governance plugin for OpenClaw — validates AI agent actions against OWL ontologies and SHACL constraints

The Ultimate Mathematical & AI Toolkit: Sublinear algorithms, consciousness exploration, psycho-symbolic reasoning, chaos analysis, and temporal prediction in one unified MCP interface. WASM-accelerated with Lyapunov exponents and attractor dynamics.

Xuanlin Overmind v4 Refactored — 66-module AI cognitive engine with 6-channel architecture, z2 hub, n2 terminal, adaptive installer

MCP server enabling persistent memory for Claude through a local knowledge graph

Index Salesforce metadata and source evidence into SQLite. Six MCP tools provide dependency analysis, matched snippets, and Apex predicate inspection.

Zero-dependency causal dependency graph for AI agent memory revision with CoW versioning, BFS cascade invalidation, and consistency-aware retrieval

A local-first, read-only Git history viewer and MCP server

Kioku (記憶) — second brain for your repos. Wires a local repo to your Kioku instance: MCP server, SessionStart hook, capture Stop hook, CLAUDE.md snippet.

Structured fact memory MCP server — SQLite + FTS5, trust scoring, entity graph, bilingual retrieval for Claude Code & Codex

Screenshot any URL and see it, or mint a social card — hosted, SSRF-safe, cached. No Chrome to run.

Local-first personal memory system — extracts signals from Feishu/Lark chats and AI-agent sessions into a private knowledge graph, served to any agent via MCP

Archify 式图示流水线：Agent 只产出结构化 JSON（禁止坐标/DSL），本地做 Schema 校验 + 自动修复 + 证据反幻觉 + dagre/ELK 双引擎布局 + SVG/HTML/PNG/Mermaid/PlantUML/draw.io/Excalidraw 多格式导出。中文友好、零锁定、无 Chromium。

MCP Memory Server with Neo4j backend for AI knowledge graph storage

Google Cheap Search — official MCP server for serp.cheap. Real-time Google SERP results (organic + knowledge graph) as an MCP tool.