RepoLens — Codebase Intelligence from Git History

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Ownership Maps

Who actually owns each file? Not who committed last — who wrote the most code. Includes bus factor analysis to find single-point-of-failure files.

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Complexity Timeline

Watch your codebase get more or less maintainable over time. Track churn rate, complexity trends, and identify files that keep getting more complex.

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Bug Archaeology

Dig through commit history to find bug hotspots. Uses 13 regex patterns to detect fix, hotfix, patch, security, and CVE-related commits.

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Dead Code Detection

Find files nobody has touched in 12+ months that nothing references. High-confidence dead code candidates with line counts.

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Dependency Risk

Which files are depended on by everything? Co-change coupling analysis identifies critical files — change them and you break the world.

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AI Briefing

Get a natural language summary of your entire codebase. Works with template-based analysis or upgrades to LLM-powered insights with an API key.

Live Demo Output

Terminal — repolens analyze .

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔍 RepoLens Report: repolens ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📊 Overview ┌──────────────┬──────────────────┐ │ Repository │ repolens │ │ Total Commits│ 6 │ │ Total Files │ 23 │ │ Contributors │ 3 │ │ Timespan │ Less than 1 week │ └──────────────┴──────────────────┘ 👥 Top Contributors (by lines of code) ┌──────────────┬─────────┬─────────────┬──────────────┬─────────────┐ │ Author │ Commits │ Lines Added │ Lines Removed│ Ownership % │ ├──────────────┼─────────┼─────────────┼──────────────┼─────────────┤ │ Alice Chen │ 6 │ +3,247 │ -85 │ 98.4% │ │ Copilot Bot │ 2 │ +312 │ -0 │ 10.8% │ │ Test Runner │ 1 │ +85 │ -0 │ 2.9% │ └──────────────┴─────────┴─────────────┴──────────────┴─────────────┘ 📈 Complexity Trend Trend: → stable (0% change) Current avg complexity: 62.0 Most complex file: package-lock.json 🐛 Bug Hotspots 🟢 No bug-fix commits detected 💀 Potentially Dead Code Files untouched for 12+ months: 0 🔗 Critical Files (highest dependency risk) ┌─────────────────────────────┬────────────┬────────────┐ │ File │ Dependents │ Risk Score │ ├─────────────────────────────┼────────────┼────────────┤ │ src/parser.js │ 12 │ 45.2 │ │ bin/repolens.js │ 8 │ 32.1 │ │ src/analyzers/ownership.js │ 5 │ 18.7 │ └─────────────────────────────┴────────────┴────────────┘ ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Generated by RepoLens v1.0.0 2026-06-01T17:48:20.924Z ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🔍 RepoLens