DOWNLOAD CONTEXTCYPHER

Get started with ContextCypher - the AI-powered threat modeling platform. Now available as an npm package for easy installation.

INSTALL VIA NPM

The recommended way to install ContextCypher

npm install -g @threatvectorsecurity/contextcypher

✓ Easy installation and updates

✓ Works on Windows, macOS, and Linux

✓ No manual download required

Just want to check it out? Try the hosted version right now:

⚠️Hosted Version Limitations:

✨ Additional SaaS AI options and features coming soon!

150+ security-focused node types (firewalls, AI gateways, SCADA systems, cloud services)
35 security zones (DMZ, Internal, Cloud, OT/ICS, Zero Trust, and more)
Grid-based positioning with snap-to-grid alignment
Quick Inspector - hover to view security properties and metadata
AI chat analysis (Ollama local LLM or OpenAI/Claude/Gemini)
100% offline operation - works in air-gapped environments
Save and load diagram files locally (JSON format)
Smart component search and floating windows
Auto-save with configurable intervals
Performance optimized - handles 500+ components smoothly

Forever

RECOMMENDED

Everything in Free, plus:
AI-powered diagram generation - create threat models from text descriptions
Automated threat analysis for selected components or entire diagrams
MITRE ATT&CK framework integration with technique mapping
Professional threat reports - export to HTML/Text with mitigation recommendations
Drawing & annotation layer - overlay sketches, boundaries, and notes
Diagram import - import from Mermaid, DrawIO, PlantUML, Graphviz & JSON
25+ premium themes including cyberpunk, matrix, and professional styles
Data sanitization - strip sensitive info before using cloud AI
Custom context - add business rules and compliance requirements
Priority support
Coming Soon: CVE integration with CVSS scores and vulnerability references
Coming Soon: Attack path visualization - see how attackers could move through your system

$12 USD/month

$115 USD/year

Save 20% with annual billing

* Prices shown in USD. Local currency pricing available at checkout.

Pro subscriptions are available in the
Settings → License and Support panel in ContextCypher