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Tier 1 · Claude Code internals Claude Code internals · fetched 2026-07-02

claude-code-source-map

A full deobfuscated source map of the Claude Code npm bundle reconstructed from the published package's source maps - the largest single research artifact in this corpus (~160MB of mapped source). Its directory structure serves as the canonical map of Claude Code's internal modules.

View source on GitHub

Key takeaways

  • 01

    Use the directory layout as the canonical module map of the harness

  • 02

    Reconstructed from public npm source maps, not the internal repo

  • 03

    Cross-check ambiguous findings against the leeyeel sourcemap

Flows built on this research