🛡️ Legal Sentinel

Universal Legal Intelligence & High-Fidelity Analysis Platform

Legal Sentinel is a document-agnostic legal analysis engine designed to protect freelancers, small businesses, and individuals from hidden risks in legal instruments. From NDAs and Wills to complex Service Agreements, Legal Sentinel provides high-precision audits, structural risk heatmaps, and proactive "Sentry Peek" browser integration.

🚀 Key Features

⚖️ Universal Analysis Engine

A document-agnostic architecture that identifies the legal instrument type and extracts document-specific "Key Pillars" (e.g., Liability, Intellectual Property, Termination) without hardcoded templates.

🔍 Structural Audit Heatmap

A visual representation of document health, identifying "Safe," "Caution," and "Danger" zones in the legal structure.

⚖️ Power Balance Visualization

An interactive tilting scale that weighs rights and obligations between parties to determine who truly holds the leverage in a contract.

🛡️ Sentry Peek (Browser Extension)

A proactive Chrome extension that auto-detects legal links (Terms of Service, Privacy Policies) on any website and injects a 🛡️ Sentinel Badge for one-click instant audits.

✍️ Intelligent Redlining

AI-driven suggestions for professional-grade redlines, allowing users to see exactly what to strike through and what to add for better protection.

🛠️ Technology Stack

• Frontend: Next.js 16.2.6, Tailwind CSS, Framer Motion
• Intelligence: OpenRouter AI (LLM Agnostic), Vercel AI SDK
• Parsing: unpdf (Optimized serverless PDF extraction)
• Extension: Chrome Manifest V3, Content Script Injection, Background Service Workers

📦 Installation & Setup

1. Clone the repository

   git clone https://github.com/yourusername/legal-sentinel.git
   cd legal-sentinel

2. Install dependencies

   npm install

3. Configure Environment Variables Create a .env.local file:

   OPENROUTER_API_KEY=your_api_key_here

4. Run Development Server

   npm run dev

5. Load the Extension

   • Open Chrome and navigate to chrome://extensions/
   • Enable "Developer Mode"
   • Click "Load Unpacked" and select the extension folder in this repository.

🛡️ Security & Privacy

Legal Sentinel is designed with privacy in mind. Document text is processed temporarily for analysis and is never stored on a remote database. History is persisted locally in the user's browser via localStorage.

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Built for the Legal and Non Legal Minds. Protect your future, one document at a time.