Anthropic Claude blocks game cloning and reverse-engineering
The gist
Users report Claude Code and Opus 5.5 now refuse game recreation and some reverse-engineering tasks.
Anthropic has issued no official statement, leaving the rule's scope and wording unclear.
How it unfolded
- Oct 6, 2026Anthropic introduced its Cyber Verification Program, limiting access to frontier models' advanced cybersecurity capabilities to entities covered by Project Glasswing.
- Oct 21, 2026Opus 5.5 users began reporting responses cut off midway on reverse-engineering requests, most often involving the tool Reverse Engineer Anything.
- Oct 24, 2026Kotaku reported suspicion fell on a safety check behind the cut-off reverse-engineering responses.