Anthropic's leaked AI coding tool has been cloned over 8,000 times on GitHub despite mass takedowns

THE DECODER / 4/2/2026

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Key Points

  • Anthropic reportedly leaked the source code for its Claude Code AI coding tool by accident, and the scale of exposure is now emerging.
  • Despite mass takedowns, the leaked code has been cloned more than 8,000 times on GitHub, indicating rapid and widespread redistribution.
  • The incident raises concerns about how quickly proprietary AI tooling can propagate once public, even when removal efforts are underway.
  • The extent of cloning suggests potential downstream risks for developers, security teams, and companies relying on similar workflows or integrations.
  • The story highlights an early-trend signal for how AI developer tools may face frequent leakage/replication events and tighter release controls.

Anthropic accidentally leaked the source code behind Claude Code. The extent of the damage is becoming clear—and it's potentially significant.

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