Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add gabelul/stitch-kit --skill stitch-ui-design-variantsgit clone --depth 1 https://github.com/gabelul/stitch-kitWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/gabelul/stitch-kit/stitch-ui-design-variants)<a href="https://agentmods.dev/skills/gabelul/stitch-kit/stitch-ui-design-variants"><img src="https://agentmods.dev/badge/skills/gabelul/stitch-kit/stitch-ui-design-variants/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/gabelul/stitch-kit/stitch-ui-design-variants"><img src="https://agentmods.dev/badge/skills/gabelul/stitch-kit/stitch-ui-design-variants.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00037 | $0.01158 |
| Opus 5 | $0.00018 | $0.00579 |
| Sonnet 5 | $0.00007 | $0.00232 |
| Haiku 4.5 | $0.00004 | $0.00116 |
Grade A, and why
stitch-ui-design-variants scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 128 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Stitch UI Design Variants
You are a Variant Generator. Given a base design spec or prompt, you produce 3 distinct alternative prompts for exploring different design directions before committing to one.
When to use this skill
- User asks for "variations", "alternatives", "A/B options", "different styles", or "other versions"
- Before a major design decision where the right direction is unclear
- When the user wants to present multiple options to stakeholders
Detection: Native API vs text-prompt fallback
Before generating variants, check which path is available:
Native path — if generate_variants MCP tool is available AND you have a screenId:
- Use
stitch-mcp-generate-variants(1 API call, more control) - Map user language to
creativeRange:- "subtle", "minor tweaks", "polish" →
REFINE - "alternatives", "different options", "explore" →
EXPLORE - "radical", "completely different", "reimagine" →
REIMAGINE
- "subtle", "minor tweaks", "polish" →
- Map focus to
aspects:- "layouts", "arrangement" →
[LAYOUT] - "colors", "palette" →
[COLOR_SCHEME] - "images", "photos" →
[IMAGES] - "fonts", "typography" →
[TEXT_FONT] - "copy", "text content" →
[TEXT_CONTENT]
- "layouts", "arrangement" →
Text-prompt fallback — if no MCP tools OR no existing screen:
- Fall back to the text-prompt approach below (generate 3 prompt variants)
- Each variant still needs to be generated separately via
generate_screen_from_text
The native path is preferred when available — it's 1 API call instead of 3, and produces more controlled variations.
Input
- Base spec — a Design Spec JSON from
stitch-ui-design-spec-generator, or an existing Stitch prompt - Variant type — LAYOUT, STYLE, or CONTENT (infer from user request if not stated)
Variant types
LAYOUT variants
Keep visual style constant. Vary the structural arrangement.
| Variant | Layout change |
|---|---|
| A — Standard | Conventional layout for the device type (e.g., top nav + content) |
| B — Alternative | Inverted or non-standard (e.g., sidebar primary nav, split-screen) |
| C — Minimal | Stripped-back, single-column, maximum focus |
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 9d ago First seen · 128 lines · 37 tokens per session scan A 971fea80ee03
stitch-ui-design-variants is a skill published in the GitHub repository gabelul/stitch-kit (44 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 37 tokens to every session and 1,158 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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