Offline-first threat modeling and architecture diagram editor with AI-powered security analysis, MITRE ATT&CK/NIST mapping, local Ollama support, and integrated GRC attack-path workflows.
ContextCypher is an offline-first desktop application for creating system architecture diagrams and generating AI-powered security threat analysis. It's designed for security professionals, architects, and developers who need to visually map systems and receive security insights using local LLMs without data leaving their machine. The tool features a ReactFlow-based diagram editor with 3D isometric views, AI-powered threat analysis using MITRE ATT&CK and NIST frameworks, integrated GRC attack path workflows, and support for multiple AI providers including local Ollama.
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