Expired60% confidenceEventTime unknown
An Anthropic developer mistakenly uploaded a debug file to GitHub at 4 a.m., causing more than 500,000 lines of Claude Code's internal source code to be made public.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedThe reverse-engineered Claude Code project has been open-sourced on GitHub, containing more than 1,900 files and millions of lines of code.78% similarVerifiedDevelopers on GitHub have already conducted a systematic review of the entire leaked Claude Code source code, covering directory structure, core mechanisms, and architectural highlights.75% similarUnverifiedClaude Code's code contributions account for more than 7% of total GitHub commits, and GitHub processes approximately 3 million code commits per day.74% similarUnverifiedAn open-source project called Cursor-Clone appeared on GitHub, created by developer habibbraik and written in TypeScript.74% similar
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