Lineage Lens
Track which AI wrote each line of code and flag license, security, and IP risk
Free - Free and open-source; self-hosted (no data leaves your environment).
About Lineage Lens
Open-source, self-hosted tool that attributes AI-generated code line-by-line across multiple coding AIs (GitHub Copilot, Cursor, Claude Code, OpenAI Codex, Gemini, etc.). LineageLens shows the exact model/prompt, whether code was human-reviewed, and surfaces license/IP contamination and security risk. Use the CLI (e.g., `lineagelens blame`) to annotate files, audit AI provenance for compliance, AppSec triage, M&A due diligence, and AI seat ROI analysis — with zero data leaving your environment.
Key Features
- Per-line attribution: identifies which AI/model wrote each line of code
- Supports multiple AI coding tools (Copilot, Cursor, Claude Code, OpenAI Codex, Gemini, etc.)
- Flags license and IP contamination (GPL/AGPL matches) for audits and M&A
- Shows review status and reviewer for compliance and attestation
- Self-hosted CLI and tooling with zero-data-exfiltration
Who is this for?
Engineering teams, AppSec, legal and compliance teams, and organizations using AI coding tools
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FreeFree and open-source; self-hosted (no data leaves your environment).
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