Policy
What the gate touches
Detectors run locally in the browser. Source never leaves this machine unless you ask for a deep rewrite.
Mode
Detectors
Zero-width spaces, joiners, soft hyphens, and other steganographic format characters.
Required — off fail-closes the gate
RLO/LRO isolates that can hide payloads or invert source appearance.
Required — off fail-closes the gate
Cyrillic, Greek, and fullwidth lookalikes swapped into Latin identifiers or strings.
Required — off fail-closes the gate
Trailing spaces, mixed tabs, and exotic space characters used as hidden bits.
UTF-8 BOM and related signature bytes at the start of a file.
Required — off fail-closes the gate
Tutorial phrasing, preamble comments, and Anthropic-typical narration in source.
VS1–VS256 sequences used in research watermarks and invisible payloads.
Required — off fail-closes the gate
Deprecated language-tag plane (U+E0001…U+E007F) used for covert channels.
Required — off fail-closes the gate
Anthropic’s Aug 2026 mark, Claude/Anthropic credit in comments, and commit-message trailers.
Required — off fail-closes the gate
Bidi overrides and tag-plane characters never ship, even in rewrite mode.
Delete tutorial narration. License headers stay.
Fold simple single-quoted JS/TS strings to double quotes.
Expand tabs to two spaces so indent cannot carry bits.