[Bug][aup] Flagged while reviewing telemetry parsing for paired vision-radar sensors in a hobby HUD app (req_011CcjW18JncYgmhfbLYjrx3)

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 flagged message was a routine request to verify that an application was correctly decoding telemetry frames from a consumer device's obstacle-avoidance sensors, noting that such vision sensors typically report paired left/right/center readings. The session context was ordinary UI and parsing work — rendering sensor readings on an on-screen HUD and checking that a binary protocol decoder read all fields properly — with nothing weapons-, surveillance-, or exploit-related involved. The block appears to have keyed on terms like "radar" and "vision sensors" and halted an in-progress, clearly legitimate coding session.

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 2026-07-05T19:57:28.911Z.

Request IDs (lookup-able server-side)

• req_011CcjW18JncYgmhfbLYjrx3 (2026-07-05T19:57:28.911Z)

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_011CcjVj3Z6FjQm

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:
#74573, #74574

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