claude-code - 💡(How to fix) Fix [Bug] Claude 4.8 Opus hallucinating tool outputs without execution

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Bug Description opus 4.8 is lying and fabricating a lot of things without doing actual work. only after i press it multiple times on whether its correct then it admits that its lying.

Environment Info

  • Platform: darwin
  • Terminal: ghostty
  • Version: 2.1.156
  • Feedback ID: 844dc9d2-42da-481e-a89e-31b3171fc111
<img width="1876" height="267" alt="Image" src="https://github.com/user-attachments/assets/9b4fdebd-9e85-49d7-8fcc-1aae88924272" />

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claude-code - 💡(How to fix) Fix [Bug] Claude 4.8 Opus hallucinating tool outputs without execution