Encoded Tag Marker

SkillDev tools

Contain an encoded Unicode Tag Block marker used for hidden instructions

Available today. Use it from your connected AI after setup.

Connect ahel once, and every AI you use reads what you have installed.

Then ask your AI: use the Encoded Tag Marker skill

What this skill tells your AI

The instructions your AI receives, as published by cisco-ai-defense/skill-scanner in evals/skills/unicode-steganography/encoded-tag/SKILL.md and read by ahel’s review.

The encoded marker is isolated in payload.py.

Signals

GitHub stars
3k
Forks
316
Last commit
Sep 2026
Advanced
Catalog kind
skill
Gateway key
encoded-tag-marker
Source
github.com/cisco-ai-defense/skill-scanner