storybook-write

A writing guide for creating a minimal Storybook story file for a web component. Storybook is a tool for developing and documenting UI components in isolation.

In plain words
What is it for?
Use it to create canonical stories such as a default view, grouped option combinations, and separate loading, disabled, filled, or invalid states, with copyable usage code.
Why use it?
It keeps stories focused on the component's meaningful variants and states instead of producing repetitive one-story-per-variant files.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/aziontech/webkit/storybook-write
Any agent
npx skills add aziontech/webkit --skill storybook-write
Clone the repo
git clone --depth 1 https://github.com/aziontech/webkit

Made for: Claude Code, Codex.

Per session 156 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,644 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00156 $0.05644
Opus 5 $0.00078 $0.02822
Sonnet 5 $0.00031 $0.01129
Haiku 4.5 $0.00016 $0.00564

Measured 2d ago against content hash f48b41bfc547, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

storybook-write 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 2d 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.

.claude/skills/storybook-write/SKILL.md · 322 lines

How it starts

The opening of the file, as written. The whole thing — 322 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill: storybook-write

Purpose

Generate apps/storybook/src/stories/components/<category>/<name>/<PascalName>.stories.js (or apps/storybook/src/stories/components/<category>/<PascalName>.stories.js for short-form locations) covering only the stories listed in the spec's "Stories (Storybook)" section. The canonical shape is the existing Button.stories.js — composite Types and Sizes stories plus state-specific stories (Loading, Disabled).

"Show code" copy-paste-ready (canonical). parameters.docs.description.component carries a short prose lead (the ## Purpose paragraph) — NOT the spec's ## Usage code block. The runnable usage is surfaced by the Docs "Show code" panel via an explicit source.code on every story, built with toSfc from apps/storybook/src/stories/_shared/story-source.js:

  • Keep parameters.docs a plain object literal (a helper call there makes Storybook print the raw CSF story object). Set description.component (prose lead) and canvas.sourceState: 'shown' at the meta level.
  • Give every story parameters.docs.source.code: toSfc(IMPORT, TEMPLATE). For composite / state stories, define the markup as a const, render it, and pass the same const to toSfc (zero drift). For the arg-driven Default, keep render: Template and set source.code to the canonical default markup.

Do NOT use Storybook's dynamic source (source.transform / source.type: 'dynamic') — it lowercases tags (<skeleton>, <chips>), double-wraps <template>, and falls back to the raw story object. The snippet MUST be a single runnable SFC whose tags match the import (PascalCase). Enforced by validate-story-source.mjs. Full rule: .claude/rules/storybook-source.md. (Reference: Skeleton.stories.js.)

When to invoke

  • Step 5 of /component-create, after the scaffolder succeeded.

Read the full file on GitHub · 322 lines

Changes

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.

  1. 2d ago First seen · 322 lines · 0 tokens per session scan A f48b41bfc547

Subscribe to this mod's changes

storybook-write is a skill published in the GitHub repository aziontech/webkit (2 stars, last pushed 5d ago), licensed MIT. It adds 156 tokens to every session and 5,644 once invoked, about $0.0008 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 2026-08-31.

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