[Bug] Fable 5 model safety measures blocking normal conversation content

Bug Description

I just say Hi to Claude Fable 5 and I get blocked loll

⚠ 2 setup issues: MCP · /doctor

▎ Fable 5 is here! Our newest model for complex, long-running work
▎ Included in your plan limits until Jun 22, then switch to usage credits to continue.

❯ /model
⎿ Set model to Fable 5 and saved as your default for new sessions

❯ hi bro, how you doing today ?

──────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Session paused

Fable 5 has safety measures that flag messages on most cybersecurity or biology topics. They may flag safe,
normal content as well. These measures let us bring you Mythos-level capability in other areas sooner, and
we're working to refine them. Send feedback with /feedback or learn more:
https://support.claude.com/en/articles/15363606

❯ 1. Switch to Opus 4.8

1. Edit prompt and retry with Fable 5

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.170
• Feedback ID: 3c4cccc3-81dc-4576-b4dc-397df291ca77

Errors

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