Enterprise-grade document intelligence that runs entirely on your machine. Review, analyze, and understand your documents with AI personas - all while maintaining complete privacy.
Everything runs locally
Local database on your machine
Bank-grade security standards
Use your own LLM providers
Everything you need to build your second brain, with complete privacy
Get multi-perspective document reviews from specialized AI personas - engineers, finance directors, UX experts, and more.
Find information across all your documents using natural language queries and vector embeddings.
Access to 20+ foundation models from leading AI companies through a unified interface.
Automatically index and chunk your documents for optimal retrieval and analysis.
Powerful command-line interface for automation and integration with your workflow.
Save and revisit all document reviews with complete audit trail and insights.
Simple setup, powerful results
Clone the repo and run the setup. Your local database is created automatically.
npm install && cortex db init
Point Private Cortex at your documents folder and let it index everything locally.
cortex index ./documents
Request multi-persona reviews of any document with context from your entire knowledge base.
cortex review proposal.md --personas all
Ask questions and search across all your indexed content with semantic understanding.
cortex ask "What are our Q3 priorities?"
Your data never leaves your machine. Period.
Private Cortex is built with privacy as the foundation, not an afterthought. Every design decision prioritizes your data sovereignty.
All indexing, embedding, and search happens on your machine
Use your own API keys - we never see them
Your knowledge base lives in a single file you control
Zero telemetry, analytics, or data collection
Get comprehensive reviews from diverse professional viewpoints
Technical Architecture Expert
Reviews for code quality, scalability, security, and best practices
Financial Analysis Expert
Reviews for ROI, budget impact, financial risks, and cost optimization
User Experience Expert
Reviews for user behavior, accessibility, and psychological impact
Train from Your Data
Create personas from Slack, Teams, or email exports
$ cortex review product-proposal.md --personas all
✅ Generating AI-powered reviews...
=== Review by Senior Software Engineer ===
✅ Strengths: Clear technical architecture, good scalability plan
⚠️ Concerns: Missing security considerations for data handling
💡 Recommendations: Add encryption strategy and audit logging
=== Review by Finance Director ===
✅ Strengths: Strong ROI projections, realistic budget
⚠️ Concerns: Underestimated maintenance costs
💡 Recommendations: Include 20% buffer for unforeseen expenses
=== Review by UX Psychologist ===
✅ Strengths: User-centered design approach
⚠️ Concerns: Cognitive load in onboarding flow
💡 Recommendations: Simplify initial setup process
💾 Review saved with ID: a8f3c2d1Start using Private Cortex today - your data stays yours
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