Source Trace
Welcome to Source Trace
Add AI Git Blame and track new code model-by-model.
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Source Trace can be used without an account - just install our extension. Zero config, works with most AI tools.
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One-Shot or Rewrite?
See what each model writes, what reaches commit, and what gets rewritten.
AI Git Blame
See exactly which lines AI generated, even when multiple models were used in one commit. Track agent and model versions.
AI Model Rankings
Compare models by real coding outcomes in your codebase and benchmark against community rankings.