# Forge Diff

> Show the difference between your .forge.json design system and what's actually in the code. Lists every value that drifts from the system.

- Skill: `dragoon0x/forge-diff` (Agent Skill)
- Install (CLI): `npx skillmds@latest add dragoon0x/forge-diff`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dragoon0x/forge-diff/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Design & Media
- Author: dragoon0x (https://skillmd.com/u/dragoon0x)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/dragoon0x/forge-diff

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# /forge-diff — System Drift Report

Compare .forge.json against actual CSS:

Output for each drift:
- File and line number
- Property (color, padding, font-size, etc.)
- Current value in code
- Nearest system token
- Suggested replacement

Grouped by severity: critical (color drift), warning (spacing drift), info (shadow/radius drift).