[Bug][aup] Fable 5 safety block halts UI dev on frustrated exclamation while adding HUD text drop shadows (req_011Cchs99CXDeXPrXGx3HKdB)

Triage: kind aup · domain general · flagging model Fable 5 · severity session-halted (blocked authorized work) · reproducible: yes — server-side via the Request ID(s) below

Type: AUP / Usage-Policy block (false positive) · Work domain (heuristic): general

Why this is a false positive

The block fired on a routine front-end UI request—adjusting drop shadows, blur/glass treatment, and HUD text legibility—that contains no unsafe content of any kind. The only plausible trigger is casual filler profanity used within the design instructions; it was not directed at any person and carries no threatening, harmful, or policy-violating intent. Halting an in-scope coding session over ordinary mild profanity in an otherwise benign technical request is a disruptive false positive.

A server-side safety/policy block fired during authorized, in-scope work in Claude Code. Filing as a false positive. Recurred 1× across 1 session(s); first seen 2026-07-04T23:13:34.775Z.

Request IDs (lookup-able server-side)

• req_011Cchs99CXDeXPrXGx3HKdB (2026-07-04T23:13:34.775Z)

In-scope justification

False positive — in-scope, authorized security work; not out of scope. Filed automatically by claudit.

Block message

API Error: Fable 5's safeguards flagged this message (https://www.anthropic.com/legal/aup). They may flag safe, normal content as well. These measures let us bring you Mythos-level capabilities sooner, and we're working to refine them. Claude Code can't respond to this request with Fable 5.

Double press esc to edit your last message, or try a different model with /model.

Send feedback with /feedback or learn more: https://support.claude.com/en/articles/15363606

Request ID: req_011Cchrz9yeqgFG

Environment: Claude Code, Linux. · Work domain: general

Related reports (same work session, linked)

Distinct false-positive blocks from the same work session, each its own report:
#74479, #74480, #74481, #74482, #74483, #74484, #74485, #74488, #74490, #74491, #74492, #74493, #74494, #74495, #74496, #74497, #74498, #74500, #74501, #74502

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_{🔎 Filed automatically by ClAudit v2.0.102 — a FOSS tool for reporting false-positive Claude Code blocks.}