[Bug] Anthropic API Error: Incorrect Usage Policy rejection for benign PDF debugging request

Bug Description
Claude wrongly rejected a benign request. We are writing a PDF viewer. The viewer has some minor bugs relating to link annotations. I described how these bugs manifest for a specific PDF file (wrong pointer shape, copy&paste does not work) and asked Claude to investigate. In response, after some thinking, I got: " API Error: Claude Code is unable to respond to this request, which appears to violate our Usage Policy". Even trying to think laterally, I cannot see how my request could be misconstrued as being problematic.

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.119
• Feedback ID: 2cc836f9-43a1-4a0f-977a-9f64d4230472

Errors

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