Neue Skills, Referenzen & OpenWiki-Doku integriert

Umfangreiche Erweiterung der Skill-Bibliothek: Neue Skills für Humanisierung (Englisch/PT-BR), Design-Validierung, AI-SEO und Coolify-Deployment inkl. Regelwerke, Presets, Pattern-Referenzen, Testfälle und Automatisierungsskripte. Zusätzliche Skills für Revenue-Centric Design, Pier Cloud, OKF, Lebenslauf- und LinkedIn-Optimierung sowie zahlreiche Referenzdateien, Checklisten und YAML/JSON/Markdown-Templates. Einführung einer vollständigen OpenWiki-Dokumentation mit Architektur-, Domain- und Workflow-Beschreibungen, zentralem Index und automatisierten Updates. Modularer Aufbau, restriktive Lizenzen und umfassende Qualitäts- und Evaluationsmechanismen für alle neuen Inhalte.
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---
name: design-md-validator
description: >
Validate DESIGN.md files against the official Google specification using the
`@google/design.md` CLI linter. Works with local files and remote URLs.
Use when the user wants to lint a DESIGN.md, check spec compliance, find
broken token references, verify WCAG contrast ratios, diff two versions,
export tokens to Tailwind or DTCG format, or audit a design system file
for structural correctness. Trigger on mentions of "validate DESIGN.md",
"lint DESIGN.md", "check my design.md", "design.md spec compliance",
"WCAG contrast check", "broken token references", "design token validation",
"export design tokens", "diff design systems", "design.md audit",
"@google/design.md", "npx design.md lint", "design system validation",
"frontmatter tokens", or any request to verify a DESIGN.md file.
metadata:
author: https://ft.ia.br
version: "1.1"
date: 2026-07-18
repository: https://github.com/fabricioctelles/skills
license: Apache 2.0
category: product-verification
upstream:
spec: https://github.com/google-labs-code/design.md
cli: https://www.npmjs.com/package/@google/design.md
stitch-skills: https://github.com/google-labs-code/stitch-skills
---
# design-md-validator
Validate, lint, diff, and export DESIGN.md files using the official Google
`@google/design.md` CLI. Always uses the latest published version from npm —
no vendored copy, always up-to-date with the spec.
---
## When to Use
| Trigger | Action |
|---|---|
| User has a DESIGN.md file and wants validation | `lint` |
| User wants to compare two versions | `diff` |
| User wants to export tokens to Tailwind/DTCG | `export` |
| User wants to see the current spec | `spec` |
| User shares a URL to a raw DESIGN.md | Fetch → `lint` |
| User asks "is my design.md valid?" | `lint` + interpret findings |
---
## Core Commands
All commands use `npx @google/design.md` to ensure the latest version is always
used. Never install globally — `npx` resolves from the public npm registry.
### Lint (validate)
```bash
npx @google/design.md lint DESIGN.md
```
Output: JSON with `findings[]` and `summary { errors, warnings, infos }`.
Exit code 1 if errors found, 0 otherwise.
### Diff (compare versions)
```bash
npx @google/design.md diff DESIGN.md DESIGN-v2.md
```
Output: JSON with token-level changes (added, removed, modified) and regression flag.
Exit codes: `0` no regression, `1` regression (errors in "after" > errors in "before"),
`2` input failure (file not found or unreadable).
### Export (to other formats)
```bash
# Tailwind v3 config
npx @google/design.md export --format json-tailwind DESIGN.md
# Tailwind v4 CSS theme
npx @google/design.md export --format css-tailwind DESIGN.md
# W3C Design Tokens (DTCG)
npx @google/design.md export --format dtcg DESIGN.md
# CSS custom properties (optional --prefix)
npx @google/design.md export --format css-vars DESIGN.md
npx @google/design.md export --format css-vars --prefix ds DESIGN.md
```
`css-vars` is available on main, ships in the next release — if the CLI
rejects the format, npm is still on 0.3.0.
### Spec (output the format specification)
```bash
npx @google/design.md spec
npx @google/design.md spec --rules
npx @google/design.md spec --rules-only --format json
```
---
## Workflow
### 1. Obtain the DESIGN.md
**Local file:**
```bash
npx @google/design.md lint ./DESIGN.md
```
**From URL (fetch first):**
```bash
curl -sL <url> > /tmp/DESIGN.md && npx @google/design.md lint /tmp/DESIGN.md
```
**From stdin:**
```bash
cat DESIGN.md | npx @google/design.md lint -
```
### 2. Discover the Active Rule Set
Before interpreting anything, check which rules the installed CLI actually
runs — the rule set changes between releases, and the bundled references are
a fallback, not the authoritative source:
```bash
npx @google/design.md spec --rules-only --format json
```
### 3. Run Lint
```bash
npx @google/design.md lint --format json DESIGN.md
```
### 4. Interpret Findings
Parse the JSON output and report to the user:
| Severity | Meaning | Action |
|---|---|---|
| `error` | Spec violation — file is invalid | Must fix |
| `warning` | Best practice violation — file is valid but suboptimal | Should fix |
| `info` | Informational — suggestions for improvement | Nice to fix |
### 5. Provide Actionable Fixes
For each finding, explain:
1. What the rule checks
2. Why it matters
3. How to fix it with a concrete code example
### 6. Re-validate After Fixes
After applying fixes, re-run lint to confirm the file passes.
---
## Linting Rules Reference
Load `references/linting-rules.md` for the complete rule table when providing
detailed explanations of lint failures.
---
## Token Schema Quick Reference
Load `references/token-schema.md` for the complete YAML frontmatter schema
when helping users author or fix their frontmatter tokens.
---
## Windows Compatibility
On Windows/PowerShell, the `.md` suffix in the bin name collides with Markdown
file associations. Use the `designmd` alias:
```bash
npx -p @google/design.md designmd lint DESIGN.md
```
---
## Related Official Skills
| Skill | Source | Purpose |
|---|---|---|
| `stitch-design-taste` | google-labs-code/stitch-skills | Generates DESIGN.md for Google Stitch |
| `design-md` (Stitch plugin) | google-labs-code/stitch-skills | Analyzes Stitch projects → DESIGN.md |
| `taste-design` (MCP) | mcpservers.org | MCP server for Stitch design extraction |
Install the official Stitch skill for generation:
```bash
npx skills add https://github.com/google-labs-code/stitch-skills --skill design-md
```
---
## Anti-Patterns
- Never vendor or cache the CLI — always use `npx` for latest spec
- Never manually parse YAML frontmatter when the linter can do it
- Never guess at contrast ratios — let the linter compute them
- Never assume section order is correct — let the linter verify
- Never skip re-validation after fixes
- Never assume the rule set from memory or from the bundled references —
confirm it at runtime with `spec --rules-only`
---
## Example Session
```
User: validate my DESIGN.md
Agent:
1. Reads the file
2. Runs: npx @google/design.md spec --rules-only --format json
3. Runs: npx @google/design.md lint --format json DESIGN.md
4. Parses output
5. Reports:
- summary: { errors: 0, warnings: 2, infos: 1 }
- WARNING: contrast-ratio — button textColor on backgroundColor is 3.8:1 (needs 4.5:1)
- WARNING: orphaned-tokens — color "accent-muted" defined but never used
- INFO: token-summary — 5 colors, 3 typography, 2 rounded, 2 spacing
6. Suggests fixes with code
7. Re-runs lint to confirm
```

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# Linting Rules — @google/design.md
> Generated against npm 0.3.0 + main as of 2026-07-18. Authoritative source at
> runtime: `npx @google/design.md spec --rules-only`.
The linter runs nine rules against a parsed DESIGN.md in the published npm
0.3.0 release; a tenth rule (`token-like-ignored`) has merged on main and
ships in the next release. Each rule produces findings at a fixed severity
level.
## Rules Table
| Rule | Severity | What it checks |
|---|---|---|
| `broken-ref` | error | Token references (`{colors.primary}`) that don't resolve to any defined token |
| `missing-primary` | warning | Colors are defined but no `primary` color exists — agents will auto-generate one |
| `contrast-ratio` | warning | Component `backgroundColor`/`textColor` pairs below WCAG AA minimum (4.5:1) |
| `orphaned-tokens` | warning | Color tokens defined but never referenced by any component |
| `token-summary` | info | Summary of how many tokens are defined in each section |
| `missing-sections` | info | Optional sections (spacing, rounded) absent when other tokens exist |
| `missing-typography` | warning | Colors are defined but no typography tokens exist — agents will use default fonts |
| `section-order` | warning | Sections appear out of the canonical order defined by the spec |
| `unknown-key` | warning | A top-level YAML key looks like a typo of a known schema key (e.g. `colours:``colors:`) |
| `token-like-ignored` | warning | **Next release (on main since 2026-06-15, not in npm 0.3.0).** Warns when a top-level YAML key looks like a design-token map but is not part of the recognized export schema and will be silently ignored |
## Section Order (canonical)
Sections use `##` headings. They can be omitted, but those present must appear
in this order:
| # | Section | Aliases |
|---|---|---|
| 1 | Overview | Brand & Style |
| 2 | Colors | |
| 3 | Typography | |
| 4 | Layout | Layout & Spacing |
| 5 | Elevation & Depth | Elevation |
| 6 | Shapes | |
| 7 | Components | |
| 8 | Do's and Don'ts | |
## Consumer Behavior for Unknown Content
| Scenario | Behavior |
|---|---|
| Unknown section heading | Preserve; do not error |
| Unknown color token name | Accept if value is valid |
| Unknown typography token name | Accept as valid typography |
| Unknown component property | Accept with warning |
| Duplicate section heading | Error; reject the file |
## Exit Codes
- `0` — No errors (warnings/info may be present)
- `1` — Errors found (file is invalid per spec)
## Programmatic API
```typescript
import { lint } from '@google/design.md/linter';
const report = lint(markdownString);
console.log(report.findings); // Finding[]
console.log(report.summary); // { errors, warnings, infos }
console.log(report.designSystem); // Parsed DesignSystemState
```

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# Token Schema — DESIGN.md Spec (version alpha)
The YAML front matter in a DESIGN.md file contains machine-readable design
tokens. These are the normative values that agents use to generate code.
## Top-Level Schema
```yaml
version: <string> # optional, current: "alpha"
name: <string> # required
description: <string> # optional
colors:
<token-name>: <Color>
typography:
<token-name>: <Typography>
rounded:
<scale-level>: <Dimension>
spacing:
<scale-level>: <Dimension | number>
components:
<component-name>:
<token-name>: <string | token reference>
```
## Token Types
| Type | Format | Example |
|---|---|---|
| Color | Any CSS color (hex, `rgb()`, `oklch()`, named) | `"#1A1C1E"`, `"oklch(62% 0.18 250)"` |
| Dimension | number + unit (`px`, `em`, `rem`) | `48px`, `-0.02em` |
| Token Reference | `{path.to.token}` | `{colors.primary}` |
| Typography | object with font properties | See below |
## Typography Object
```yaml
typography:
h1:
fontFamily: Public Sans
fontSize: 3rem
fontWeight: 700
lineHeight: 1.2
letterSpacing: -0.02em
fontFeature: "ss01" # optional
fontVariation: "wght 700" # optional
body-md:
fontFamily: Public Sans
fontSize: 1rem
fontWeight: 400
lineHeight: 1.5
label-caps:
fontFamily: Space Grotesk
fontSize: 0.75rem
fontWeight: 500
letterSpacing: 0.05em
```
Required fields per entry: `fontFamily`, `fontSize`.
Optional fields: `fontWeight`, `lineHeight`, `letterSpacing`, `fontFeature`, `fontVariation`.
## Colors
```yaml
colors:
primary: "#1A1C1E"
secondary: "#6C7278"
tertiary: "#B8422E"
neutral: "#F7F5F2"
on-tertiary: "#FFFFFF" # contrast pair for tertiary
```
The `primary` color is expected by the linter. Its absence triggers a
`missing-primary` warning.
## Rounded (border-radius scale)
```yaml
rounded:
sm: 4px
md: 8px
lg: 16px
```
## Spacing
```yaml
spacing:
sm: 8px
md: 16px
lg: 32px
```
## Components
Components map a name to a group of sub-token properties:
```yaml
components:
button-primary:
backgroundColor: "{colors.tertiary}"
textColor: "{colors.on-tertiary}"
rounded: "{rounded.sm}"
padding: 12px
button-primary-hover:
backgroundColor: "{colors.tertiary-container}"
```
### Valid Component Properties
`backgroundColor`, `textColor`, `typography`, `rounded`, `padding`, `size`,
`height`, `width`.
### Variants
Hover, active, pressed states are separate entries with a related key name:
`button-primary-hover`, `button-primary-active`.
## Token References
References use curly braces with dot notation:
```yaml
components:
card:
backgroundColor: "{colors.neutral}" # resolves to #F7F5F2
rounded: "{rounded.md}" # resolves to 8px
```
Broken references (pointing to undefined tokens) trigger a `broken-ref` error.
Since npm 0.3.0 (PR #103), token groups support nested sub-levels in the
frontmatter — e.g. `colors.brand.primary` — and references use the full
dotted path to the leaf token: `{colors.brand.primary}`.
## File Structure Summary
```
--- ← YAML front matter start
name: "My Design System"
colors: ...
typography: ...
rounded: ...
spacing: ...
components: ...
--- ← YAML front matter end
## Overview ← Markdown prose sections
...
## Colors
...
## Typography
...
```
The tokens are the normative values. The prose provides context for how to
apply them.