Borrowing it
Nothing to install: this file belongs to brianmontanaweb/agentic-design-system. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/brianmontanaweb/agentic-design-system/main/.claude/skills/add-component-story/SKILL.mdgit clone --depth 1 https://github.com/brianmontanaweb/agentic-design-systemWrote 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/brianmontanaweb/agentic-design-system/add-component-story)<a href="https://agentmods.dev/skills/brianmontanaweb/agentic-design-system/add-component-story"><img src="https://agentmods.dev/badge/skills/brianmontanaweb/agentic-design-system/add-component-story/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/brianmontanaweb/agentic-design-system/add-component-story"><img src="https://agentmods.dev/badge/skills/brianmontanaweb/agentic-design-system/add-component-story.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00065 | $0.00824 |
| Opus 5 | $0.00032 | $0.00412 |
| Sonnet 5 | $0.00013 | $0.00165 |
| Haiku 4.5 | $0.00006 | $0.00082 |
Grade A, and why
add-component-story 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 11d 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 — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Add Component Story
Create the Storybook story given $ARGUMENTS in the format <ComponentName>.
Gotchas
- Never
import React from 'react'in story files — jsx-runtime handles JSX and Storybook's own types cover everything else. - Import the component from the package (
@agentic-ds/coreor@agentic-ds/agents), not by relative path — this is the existing story convention. - Every variant needs a story before the component is considered done — enumerate the props interface; do not stop at
Default. - Light/dark comes from the global toolbar, not from stories —
.storybook/preview.tsxwraps every story inAgenticProviderwith the selectedcolorScheme. Never wrap a story inAgenticProvideryourself, never add per-scheme story duplicates, and never hardcode scheme-specific background hexes in a story. - No approval gate — creating/extending one story file is the whole task; proceed without asking.
Step 1 — Locate the component source
ls packages/core/src/<ComponentName>/<ComponentName>.tsx packages/agents/src/<ComponentName>/<ComponentName>.tsx 2>/dev/null
If no output, stop immediately and respond:
## No source: <ComponentName>
Neither package contains `<ComponentName>`. Create it first with
`/add-component-source <ComponentName>` (source only) or `/add-component <ComponentName>` (full scaffold).
Infer the package (core or agents) from which path exists.
Step 2 — Read context
Read:
.claude/skills/shared/references/conventions.md— import rules, file layout- The component source file — enumerate every prop, variant, enum value, and state
- One existing story in
apps/storybook/src/stories/(e.g.ThinkingIndicator.stories.tsx) — story style - If
apps/storybook/src/stories/<ComponentName>.stories.tsxalready exists, read it — extend it, don't recreate it
Step 3 — Create or extend the story
File: apps/storybook/src/stories/<ComponentName>.stories.tsx
Requirements:
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 11d ago First seen · 84 lines · 65 tokens per session scan A 367c73eb30b3
add-component-story is a skill published in the GitHub repository brianmontanaweb/agentic-design-system (3 stars, last pushed 21d ago), licensed MIT. It adds 65 tokens to every session and 824 once invoked, about $0.0003 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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