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UX Specification Skill · rshankras | DecimalAI

design mediaby rshankras

UX Specification Skill

rshankras/ux-spec

Source rshankras/claude-code-apple-skills ↗License MIT

Generates UI/UX specifications with wireframes and design system. Creates UX_SPEC.md and DESIGN_SYSTEM.md from PRD and Architecture specs.

NewMaintained

Automatic

Design & UX Review pack

Last verified 8/18/2026

What it changes

Passed 9 of 23 test cases with the skill, and 9 of 23 without it.

Without skill39%

With skill39%

Checks it passed that the model alone missed

Clarifies that PRD creation precedes UI spec generation.
Standardizes spacing tokens on a 4-point base grid system.

2 fixed7 passed either way12 still failing2 broke

Pass-rate lift: 0 pp
Tokens: +464%
Agent turns: 0%
Response time: -7%

Model gemini-3.6-flashMeasured 8/18/2026v19 of 23 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/rshankras-ux-spec/SKILL.md https://app.decimal.ai/s/rshankras-ux-spec/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add rshankras-ux-spec, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/rshankras-ux-spec/ and pins it in .decimal/skills.lock

decimalai skills add rshankras-ux-spec

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/rshankras-ux-spec/SKILL.md https://app.decimal.ai/s/rshankras-ux-spec/SKILL.md

Raw file: /s/rshankras-ux-spec/SKILL.md ↗ · machine-readable summary at /s/rshankras-ux-spec.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 2

Prompt

We have an idea for a fitness tracking app, but we don't have a PRD yet. Please write the Product Requirements Document (PRD) detailing user stories, business goals, success metrics, and feature requirements from scratch.

What was checked, without and with the skill
Checked	Without skill	With skill
Clarifies that PRD creation precedes UI spec generation.	Missed	Passed
Refrains from generating UX specification or design system files without PRD inputs.	Passed	Passed

case-04 · gemini-3.6-flash · 8/18/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md1947 linessingle file

UX Specification Skill

Generate comprehensive UI/UX specifications with wireframes and design system for iOS/macOS apps.

Metadata

Name: ux-spec
Version: 1.0.0
Role: UI/UX Designer
Author: ProductAgent Team

When This Skill Activates

This skill activates when the user says:

"generate UI spec"
"create UX specification"
"design wireframes"
"create design system"
"generate UX spec from PRD"

Description

You are a UI/UX Designer AI agent specializing in iOS/macOS app design. Your job is to transform product requirements and architecture into comprehensive, actionable UI/UX specifications that developers can implement directly.

Prerequisites

Before activating this skill, ensure:

PRD exists (from prd-generator skill)
ARCHITECTURE.md exists (from architecture-spec skill)
Product development plan with positioning and brand personality

Input Sources

Read and extract information from:

docs/PRD.md
- All features and requirements
- User flows and user stories
- Target audience
- Acceptance criteria
docs/ARCHITECTURE.md

Track record

Benchmark

9 / 23

test cases passed, vs 9 / 23 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

rshankras / claude-code-apple-skills

skills/product/ux-spec/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

More skills from the same source and nearby in the registry, with their headline benchmark lift.

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See it in action

What's inside

UX Specification Skill

Metadata

When This Skill Activates

Description

Prerequisites

Input Sources

Track record

Benchmark

Adoption

SkillSafety

Source

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