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---
name: stitch::generate-design
description: >-
Generate new screens from text prompts or images, edit existing screens
with prompts and design system tokens, and generate design variants using
Stitch MCP. Includes prompt enhancement pipeline, design mappings, professional
UI/UX terminology, design tokens and theme system capabilities.
allowed-tools:
- "stitch*:*"
- "Bash"
- "Read"
- "Write"
- "web_fetch"
---
# Generate Design
Create new design screens from text descriptions, images, or mockups, edit
existing screens with prompts and design system tokens, and generate design
variants using Stitch MCP.
> [!NOTE]
> Refer to your system prompt for instruction on handling MCP tool prefixes for
> all tools mentioned in this skill (e.g., `list_projects`,
> `generate_screen_from_text`, `edit_screens`).
## 🎨 Prompt Enhancement Pipeline
Before calling any Stitch generation or editing tool, you MUST enhance the
user's prompt.
### 1. Analyze Context
- **Project**: Use `list_projects` to find the correct `projectId`. If no
suitable project exists, create one using `create_project`.
- **Design System**: Check if a design system exists for the project via
`list_design_systems`. If one exists, design tokens (colors, fonts, roundness)
are already applied at the project level — do NOT include any color, font, or
theme instructions in the generation prompt. If none exists, delegate to the
**manage-design-system** skill first before generating screens.
### 2. Refine UI/UX Terminology
Consult [Design Mappings](references/design-mappings.md) to replace vague terms.
- Vague: "Make a nice header"
- Professional: "Sticky navigation bar with glassmorphism effect and centered
logo"
Use [Prompting Keywords](references/prompt-keywords.md) for component names,
adjective palettes, color roles, and shape descriptions.
### 3. Structure the Final Prompt
Format the enhanced prompt for Stitch. Focus exclusively on **layout, content,
and structure** — never include colors, fonts, or theme instructions (these are
handled by the manage-design-system skill at the project level).
For **new screens**, use this template:
```markdown
[Overall purpose and user intent of the page]
**PLATFORM:** [Web/Mobile], [Desktop/Mobile]-first
**PAGE STRUCTURE:**
1. **Header:** [Description of navigation and branding]
2. **Hero Section:** [Headline, subtext, and primary CTA]
3. **Primary Content Area:** [Detailed component breakdown]
4. **Footer:** [Links and copyright information]
```
For **edits**, be specific about what to change:
- **Location**: "Change the [primary button] in the [hero section]..."
- **Visuals**: "...to a darker blue (#004080) and add a subtle shadow."
- **Structure**: "Add a secondary button next to the primary one with the text
'Learn More'."
> [!CAUTION]
> Do NOT include hex codes, font names, color palettes, roundness values, or
> any design system tokens in a **generation** prompt. These are applied at the
> project level by the manage-design-system skill and will conflict if
> duplicated. (For **edit** prompts, hex codes are acceptable for precise
> color adjustments.)
### 4. Present AI Insights
After any tool call, always surface the `outputComponents` (Text Description and
Suggestions) to the user.
See [examples/enhanced-prompt.md](examples/enhanced-prompt.md) for a full
before/after prompt enhancement example.
--------------------------------------------------------------------------------
## Steps
### Determine the Mode
Decide which flow to use based on the user's request:
- User wants to create from a text description → **Generate from Text** flow
- User provides an image, screenshot, or mockup → **Generate from Image** flow
- User wants to modify an existing screen → **Edit** flow
- User wants layout/color/content variations → **Generate Variants** flow
---
### Generate from Text Flow (New Screen)
#### 1. Enhance the User Prompt
Apply the Prompt Enhancement Pipeline above.
#### 2. Identify the Project
Use `list_projects` to find the correct `projectId` if it is not already known.
#### 3. Generate the Screen
Call the `generate_screen_from_text` tool with the enhanced prompt and the
`designSystem` ID (if found in Step 1).
```json
{
"projectId": "...",
"prompt": "[Your Enhanced Prompt]",
"designSystem": "assets/...", // Optional: Pass if found in Step 1
"deviceType": "DESKTOP" // Options: MOBILE, DESKTOP, TABLET
}
```
#### 4. Present AI Feedback
Always show the text description and suggestions from `outputComponents` to the
user.
#### 5. Download Design Assets
After generation, download the HTML and screenshot urls from `outputComponents`
to the `.stitch/designs` directory.
- **Naming**: Use the screen ID or a descriptive slug for the filename.
- **Tools**: Use `curl -o` via `run_command` or similar.
- **Directory**: Ensure `.stitch/designs` exists.
#### 6. Review and Refine
- If the result is not exactly as expected, continue with the **Edit** flow
to make targeted adjustments.
- Do NOT re-generate from scratch unless the fundamental layout is wrong.
---
### Generate from Image Flow (Image/Mockup → Design)
Use this flow when the user provides an image, screenshot, or design mockup to
recreate in Stitch.
#### 1. Identify the Project
Use `list_projects` to find the correct `projectId`. If no suitable project
exists, create one using `create_project`.
#### 2. Upload the Image
Delegate to the **upload-to-stitch** skill to upload the image to the project.
This creates a new screen with the image as its content.
#### 3. Refine with Edit
Once uploaded, use `list_screens` to find the newly created `screenId`, then
call `edit_screens` with a descriptive prompt to refine the design:
```json
{
"projectId": "...",
"selectedScreenIds": ["<uploaded-screen-id>"],
"prompt": "[Describe what to adjust, enhance, or recreate from this mockup]"
}
```
> [!TIP]
> For best results, describe the intent behind the image rather than just saying
> "make it look like this". For example: "This is a dashboard mockup — recreate
> it with a proper data table, sidebar navigation, and chart widgets."
#### 4. Present AI Feedback
Always show the text description and suggestions from `outputComponents` to the
user.
#### 5. Download Design Assets
Download the HTML and screenshot urls from `outputComponents` to the
`.stitch/designs` directory.
- **Naming**: Use the screen ID or a descriptive slug for the filename.
- **Tools**: Use `curl -o` via `run_command` or similar.
- **Directory**: Ensure `.stitch/designs` exists.
---
### Edit Flow (Modify Existing Screen)
#### 1. Identify the Screen
Use `list_screens` or `get_screen` to find the correct `projectId` and
`screenId`.
#### 2. Formulate the Edit Prompt
Apply the Prompt Enhancement Pipeline, focusing on specificity:
- **Location**: "Change the color of the [primary button] in the [hero
section]..."
- **Visuals**: "...to a darker blue (#004080) and add a subtle shadow."
- **Structure**: "Add a secondary button next to the primary one with the text
'Learn More'."
#### 3. Apply the Edit
Call the `edit_screens` tool.
```json
{
"projectId": "...",
"selectedScreenIds": ["..."],
"prompt": "[Your targeted edit prompt]"
}
```
#### 4. Present AI Feedback
Always show the text description and suggestions from `outputComponents` to the
user.
#### 5. Download Design Assets
After editing, download the updated HTML and screenshot urls from
`outputComponents` to the `.stitch/designs` directory, overwriting previous
versions to ensure the local files reflect the latest edits.
- **Naming**: Use the screen ID or a descriptive slug for the filename.
- **Tools**: Use `curl -o` via `run_command` or similar.
- **Directory**: Ensure `.stitch/designs` exists.
#### 6. Update Project Metadata
After downloading assets, update `.stitch/metadata.json` to reflect any changes
(e.g., updated screen titles or new screen IDs from the edit). The metadata
file tracks all screens, their device types, and design system info. See the
**manage-design-system** skill's `examples/metadata.json` for the format.
#### 7. Verify and Repeat
- Check the output screen to see if the changes were applied correctly.
- If more polish is needed, repeat the edit flow with a new specific prompt.
---
### Generate Variants Flow (Explore Variations)
Use this flow when the user wants to explore alternative layouts, color schemes,
or content variations of an existing screen.
#### 1. Identify the Screen
Use `list_screens` or `get_screen` to find the correct `projectId` and
`screenId`.
#### 2. Configure Variant Options
Call the `generate_variants` tool with the appropriate options:
```json
{
"projectId": "...",
"selectedScreenIds": ["..."],
"prompt": "[Describe the direction for variants]",
"variantOptions": {
"variantCount": 3,
"creativeRange": "EXPLORE",
"aspects": ["LAYOUT", "COLOR_SCHEME"]
}
}
```
**Variant Options:**
- **`variantCount`**: 15 variants (default: 3)
- **`creativeRange`**: `REFINE` (subtle), `EXPLORE` (balanced), or `REIMAGINE`
(radical)
- **`aspects`**: Focus on specific dimensions — `LAYOUT`, `COLOR_SCHEME`,
`IMAGES`, `TEXT_FONT`, `TEXT_CONTENT`, or leave empty for all
#### 3. Present AI Feedback
Always show the text description and suggestions from `outputComponents` to the
user.
#### 4. Download Design Assets
Download the variant HTML and screenshot urls from `outputComponents` to the
`.stitch/designs` directory.
- **Naming**: Use the screen ID or a descriptive slug for the filename.
- **Tools**: Use `curl -o` via `run_command` or similar.
- **Directory**: Ensure `.stitch/designs` exists.
--------------------------------------------------------------------------------
## 💡 Tips
- **Be structural**: Break the page down into header, hero, features, and
footer in your prompt.
- **Content first**: Describe what each section contains (text, images, CTAs)
rather than how it looks.
- **Iterative Polish**: Prefer editing for targeted adjustments over full
re-generation.
- **No theme leakage**: Never put hex codes, font names, or color roles in a
generation prompt — the design system handles all visual styling.
- **Specify interactions**: Mention hover states, animations, and click behavior
rather than visual styling.
- **Keep edits focused**: One edit at a time is often better than a long list of
changes.
- **Reference components**: Use professional terms like "navigation bar", "hero
section", "footer", "card grid".
- **Precise colors in edits**: Use hex codes for exact color matching when
editing existing screens.
## 📚 References
- [Design Mappings](references/design-mappings.md) — UI/UX keywords and
atmosphere descriptors.
- [Prompting Keywords](references/prompt-keywords.md) — Technical terms Stitch
understands best.
- [Enhanced Prompt Example](examples/enhanced-prompt.md) — Before/after prompt
enhancement.

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# Example: Prompt Enhancement
## User Input (Vague)
> "Make a landing page for my fitness app called 'Pulse'. It should have a
> place for features and a hero section."
---
## Enhanced Prompt (Stitch-Optimized)
> [!NOTE]
> This prompt contains NO colors, fonts, or theme instructions — those are
> handled by the project's design system. The prompt focuses exclusively on
> layout, structure, and content.
**Overall Purpose**: A high-energy, modern landing page for 'Pulse', a fitness
tracking application. The page should feel powerful, motivating, and
high-performance.
**PLATFORM:** Web, Desktop-first
**PAGE STRUCTURE:**
1. **Header**: Minimalist navigation with Pulse logo (left) and "Start Training"
primary call-to-action button (right).
2. **Hero Section**: Large, emotive fitness photography background. Headline:
"Elevate Every Beat." Sub-headline: "Track, analyze, and crush your fitness
goals with Pulse." Primary CTA button: "Get Started".
3. **Feature Grid**: Three-column responsive card grid highlighting:
- **Real-time Tracking**: Live stats from your wearable.
- **AI Coaching**: Personalized workouts based on your performance.
- **Community Challenges**: Compete with friends and stay motivated.
4. **Social Proof Section**: Horizontal slider showing "Trusted by 500,000+
athletes" with partner logos.
5. **Footer**: Quick links (Training, Pricing, Support), social icons, and
legal text.
---
💡 **Tip**: Notice how the enhanced prompt describes **structure and content**
without specifying hex codes, font families, or color roles. The design system
(created via the manage-design-system skill) handles all visual theming at the project
level.

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# Design Mappings & Descriptors
Use these mappings to transform vague user requests into precise, high-fidelity
design instructions.
## UI/UX Keyword Refinement
| Vague Term | Enhanced Professional Terminology |
|:---|:---|
| "menu at the top" | "sticky navigation bar with logo and list items" |
| "big photo" | "high-impact hero section with full-width imagery" |
| "list of things" | "responsive card grid with hover states and subtle elevations" |
| "button" | "primary call-to-action button with micro-interactions" |
| "form" | "clean form with labeled input fields, validation states, and submit button" |
| "picture area" | "hero section with focal-point image or video background" |
| "sidebar" | "collapsible side navigation with icon-label pairings" |
| "popup" | "modal dialog with overlay and smooth entry animation" |
## Atmosphere & "Vibe" Descriptors
Add these adjectives to set the mood and aesthetic philosophy:
| Basic Vibe | Enhanced Design Description |
|:---|:---|
| "Modern" | "Clean, minimal, with generous whitespace and high-contrast typography." |
| "Professional" | "Sophisticated, trustworthy, utilizing subtle shadows and a restricted, premium palette." |
| "Fun / Playful" | "Vibrant, organic, with rounded corners, bold accent colors, and bouncy micro-animations." |
| "Dark Mode" | "Electric, high-contrast accents on deep slate or near-black backgrounds." |
| "Luxury" | "Elegant, spacious, with fine lines, serif headers, and a focus on high-fidelity photography." |
| "Tech / Cyber" | "Futuristic, neon accents, glassmorphism effects, and technological monospaced typography." |
## Geometry & Shape Translation
Convert technical values into physical descriptions for Stitch:
- **Pill-shaped**: Used for `rounded-full` elements (buttons, tags).
- **Softly rounded**: Used for `rounded-xl` (12px) or `rounded-2xl` (16px) containers.
- **Sharp/Precise**: Used for `rounded-none` or `rounded-sm` elements.
- **Glassmorphism**: Semi-transparent surfaces with background blur and thin borders.
## Depth & Elevation
- **Flat**: No shadows, focus on color blocking and borders.
- **Whisper-soft**: Diffused, light shadows for subtle lift.
- **Floating**: High-offset, soft shadows for elements that appear high above the surface.
- **Inset**: Inner shadows for pressable or nested elements.

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# UI/UX Keywords Reference
Progressive disclosure reference for common UI terminology and adjective
palettes.
## Component Keywords
### Navigation
- navigation bar, nav menu, header
- breadcrumbs, tabs, sidebar
- hamburger menu, dropdown menu
- back button, close button
### Content Containers
- hero section, hero banner
- card, card grid, tile
- modal, dialog, popup
- accordion, collapsible section
- carousel, slider
### Forms
- input field, text input
- dropdown, select menu
- checkbox, radio button
- toggle switch
- date picker, time picker
- search bar, search input
- submit button, form actions
### Calls to Action
- primary button, secondary button
- ghost button, text link
- floating action button (FAB)
- icon button
### Feedback
- toast notification, snackbar
- alert banner, warning message
- loading spinner, skeleton loader
- progress bar, step indicator
### Layout
- grid layout, flexbox
- sidebar layout, split view
- sticky header, fixed footer
- full-width, contained width
- centered content, max-width container
## Adjective Palettes
### Minimal / Clean
- minimal, clean, uncluttered
- generous whitespace, breathing room
- subtle, understated, refined
- simple, focused, distraction-free
### Professional / Corporate
- sophisticated, polished, trustworthy
- corporate, business-like, formal
- subtle shadows, clean lines
- structured, organized, hierarchical
### Playful / Fun
- vibrant, colorful, energetic
- rounded corners, soft edges
- bold, expressive, dynamic
- friendly, approachable, warm
### Premium / Luxury
- elegant, luxurious, high-end
- dramatic, bold contrasts
- sleek, modern, cutting-edge
- exclusive, boutique, curated
### Dark Mode
- dark theme, night mode
- high-contrast accents
- soft glows, subtle highlights
- deep backgrounds, muted surfaces
### Organic / Natural
- earthy tones, natural colors
- warm, inviting, cozy
- textured, tactile, handcrafted
- flowing, organic shapes
## Interaction & Behavior Keywords
### Animations
- smooth entry animation, slide-in
- fade transition, cross-fade
- micro-interaction, bounce effect
- skeleton loader, shimmer effect
### Responsiveness
- responsive layout, adaptive grid
- mobile-first, desktop-first
- breakpoint, viewport
- stacked layout, side-by-side
### User Flows
- progressive disclosure, step indicator
- expandable section, collapsible panel
- infinite scroll, pagination
- drag and drop, swipe gesture
## Shape Descriptions
| Technical | Natural Language |
|-----------|------------------|
| `rounded-none` | sharp, squared-off edges |
| `rounded-sm` | slightly softened corners |
| `rounded-md` | gently rounded corners |
| `rounded-lg` | generously rounded corners |
| `rounded-xl` | very rounded, pillow-like |
| `rounded-full` | pill-shaped, circular |