Live demo

These boxes call the live gate (POST /codeguard-keystone/check). Edit the command and send your own. The live engine is codeguard-1.2.0 since 2026-11-02 15:31Z; the engine_version field tells you which one answered.

Delete the home directory

Expected: DENY

A command hidden in a git alias (fixed today)

Expected: DENY on codeguard-1.1.0

Brace expansion (fixed today)

Expected: DENY on codeguard-1.1.0

Download and run through a here-string (fixed today)

Expected: DENY on codeguard-1.1.0

Upload a secret

Expected: DENY

Everyday work

Expected: ALLOW on codeguard-1.1.0

Check a receipt

Copy the receipt object from any answer above into this box. Change one character and send it again: it must fail.

FIRME AI CORPORATION · CAIN-42 is a Byzantine trust fabric. Numbers marked "our own check" were run by us, not by an independent party. Nothing on these pages is a certification.