How do I install the Forge Diff skill?

Run npx skillmds@latest add dragoon0x/forge-diff in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Forge Diff safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Forge Diff?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Forge Diff free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Forge Diff?

dragoon0x (@dragoon0x) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Forge Diff

Name: Forge Diff
Author: dragoon0x

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

dragoon0x b93fbfc 519 B Updated Sep 17, 2026

Design & Media

Install

Press C to copy

$ npx skillmds@latest add dragoon0x/forge-diff

Installs into ~/.claude/skills (or .claude/skills inside a project). Restart Claude Code to pick it up.

Download SKILL.md

＋ Add to collection

README badge

[![SkillMD](https://skillmd.com/badge/dragoon0x/forge-diff.svg)](https://skillmd.com/skills/dragoon0x/forge-diff)

Trust & safety

Audits pending

Not yet audited · commit b93fbfc

Works with: Claude Code Claude.ai OpenAI Codex +

File contents

/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).

dragoon0x/forge/tree/main/source/skills/forge-diff commit b93fbfcea5

Frequently asked questions

npx skillmds@latest add dragoon0x/forge-diff