extract

extract is a command for coding agents from freema/mcp-design-system-extractor. It costs 7 tokens per session (151 once invoked), scanned A, original, MIT.

A command that extracts the rendered HTML for a selected Storybook component, such as a button, card, or input.

In plain words
What is it for?
Use it with a component ID such as button--primary or card--default. It returns the HTML after the extraction job finishes.
Why use it?
It saves you from manually opening a story and copying its generated markup. It can also help you check which component variations are available.

Command

Part of the design-system plugin — 1 skill, 3 commands, 1 agent, 1 MCP server shipped together

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 commands/freema/mcp-design-system-extractor/extract
Clone the repo
git clone --depth 1 https://github.com/freema/mcp-design-system-extractor

Or install design-system, the plugin that ships this one along with the rest of its 1 skill, 3 commands, 1 agent, 1 MCP server.

Wrote 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.

agentmods badge for extract

README.md
[![agentmods](https://agentmods.dev/badge/commands/freema/mcp-design-system-extractor/extract.svg)](https://agentmods.dev/commands/freema/mcp-design-system-extractor/extract)
Your own site
<a href="https://agentmods.dev/commands/freema/mcp-design-system-extractor/extract"><img src="https://agentmods.dev/badge/commands/freema/mcp-design-system-extractor/extract.svg" alt="Measured on agentmods" height="20"></a>
Per session 7 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 151 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 $0.00007 $0.00151
Opus 5 $0.00003 $0.00076
Sonnet 5 $0.00001 $0.00030
Haiku 4.5 $0.00001 $0.00015

Measured 4d ago against content hash a0b7b6c98bae, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

extract 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 4d 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.

plugins/claude/design-system/commands/extract.md · 33 lines

What it actually says

/design:extract

Extract the rendered HTML from a specific component story.

Usage

/design:extract <component-id>

Component ID format: component-name--story-name or just component-name (uses default variant).

Examples

/design:extract button--primary
/design:extract card--default
/design:extract input

What Happens

  1. Calls get_component_html in async mode (returns job_id)
  2. Polls job_status until complete
  3. Returns the extracted HTML

Use variantsOnly: true to first see available variants.

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. 4d ago First seen · 33 lines · 7 tokens per session scan A a0b7b6c98bae

Subscribe to this mod's changes

extract is a command published in the GitHub repository freema/mcp-design-system-extractor (69 stars, last pushed 1mo ago), licensed MIT. It adds 7 tokens to every session and 151 once invoked, about $0.0000 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.