LineageLens: A VS Code Extension That Tracks AI-Generated Code Provenance
By
Praveen
Tired, dry, slightly forgotten on the back of the tray.
Summary
LineageLens is a VS Code extension that acts as a local proxy between AI coding tools (Cursor, Claude Code, Copilot, Aide) and their providers. It automatically captures AI-generated code insertions of 4+ lines along with the full prompt, model identity, session context, and risk signals. This solves the problem of having no provenance record for AI-generated code — Git blame shows who committed code but not what AI prompt produced it. The tool offers Solo (local), Team, and Enterprise tiers.
Key quotes
· 3 pulledsomething breaks in AI-generated code and there's zero record of what prompt produced it, which model wrote it, or what context surrounded the decision
Git blame tells you who committed it. It doesn't tell you what the AI was asked.
Every insertion of 4+ lines gets captured with the full prompt, model identity, session context, and risk signals — automatically, across Cursor, Claude Code, Copilot, Aide
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