Security Safety And PolicyRisk

Claude Code proprietary source leak via npm and DMCA takedowns

April 3, 2026Charly Wargnier, Prajwal Tomar, Rohan Paul

Multiple posts describe Claude Code leaking via npm, rapid community reverse-engineering, and Anthropic issuing DMCA notices that removed thousands of GitHub repos, with debate over collateral damage and process failures.

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QUOTES

Claude Codes proprietary source leaked via npm.

Anthropic filed a DMCA to kill 8,100 GitHub repos.

So yesterday's massive Anthropic source-code leak was a process bug, a human error.

VOICES

Charly Wargnier

Prajwal Tomar

Rohan Paul

Matthew Berman

Gergely Orosz

Alex Volkov (Thursd/AI)

Harper Carroll

Latent.Space

Micky

Akshay

Dan

Randy Olson

ℏεsam

Ahmad

RELATED TERMS

leakdmcagithubclaudeanthropicgithubrepoclaude codeopen source

OTHER FINDINGS IN SECURITY SAFETY AND POLICY

Python package poisoning targeting AI API keys npm supply-chain malware and library breaches Anthropic CMS misconfiguration leaking Claude Mythos/Capybara drafts and assets

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