How I Built a Local Tool That Maps Any Codebase in 55 Seconds No Cloud, No Uploads

Short summary

Sentinel is an open-source local tool that scans codebases to generate architecture maps, health scores, risk hotspots, and AI-optimized prompts for Claude Code, Cline, and Cursor. Runs entirely offline using Python stdlib with zero external dependencies. Includes 197 passing tests and self-contained HTML reports.

• •Scans codebases locally to generate architecture maps, health scores, and risk analysis
• •Generates ready-to-use prompts for AI coding agents (Claude Code, Cline, Cursor)
• •Fully offline, zero external dependencies, 197 passing tests

Generated with AI, which can make mistakes.