designlang Files

Every extraction now produces a real downloadable PDF and a one-shot prompt any AI can paste.

Two themes this release: real print-ready PDFs (not just HTML) and a self-contained agent prompt that drops into Claude / GPT / Gemini / Cursor / Windsurf / v0.

`--pdf` flag in the main `extract` command

```bash npx designlang stripe.com --pdf npx designlang stripe.com --pdf --paper letter --landscape ```

Output: `<host>.brand.pdf` (~440KB). 13 chapters, chapter bookmarks, running footer with page numbers, embedded fonts, selectable text. The brand-book HTML is always written (~50KB, cheap) so you can browse locally and pick PDF on demand.

One-shot agent prompt — `<host>-AGENT.md`

A single ~4KB system prompt that drops into any AI agent. Includes:

• Brand at a glance — intent, material, library, design grade
• Colour roles + neutrals with hex
• Typography families + weights + base size
• Spacing / radii / motion scales
• Voice — tone, pronoun stance, heading style, CTA verbs, real headlines
• Component anatomy — variants and slots per detected component
• WCAG score + failing-pair count
• 7 build rules ('Never invent a hex', 'Snap spacing to scale', etc.)
• Manifest of every other companion file designlang produced

``` [paste contents of stripe-com-AGENT.md]

Now build a pricing page with 3 tiers. ```

The agent has every constraint up front. UI it produces stays on-brand without prompt babysitting.

Server-side PDF endpoint

`GET /api/pdf/<hash>` renders the cached extraction's brand book to PDF via the same Browserless / Chromium path as `/api/extract`. Cached 1h on CDN edge with 24h stale-while-revalidate.

Website UI

• `/gallery/[slug]` hero CTA is now `Download brand book PDF` (static, pre-rendered)
• New full-width 'Agent prompt' section on every brand page with a `Copy NN.NKB prompt` button
• Post-extraction share row on the homepage extractor gains `Download brand PDF` and `Copy agent prompt`

Pre-rendered static assets

All 8 featured brands (stripe / linear / vercel / notion / figma / apple / arc / spotify) re-extracted with the new emitters. Their `.brand.pdf`, `AGENT.md`, `reset.css`, `gradients.css/json`, `tokens.d.ts` and `tailwind-v4.css` are all committed.

Install

```bash npx designlang@latest stripe.com --pdf ```

Links

• Live site: https://designlang.app
• Try any URL: https://designlang.app/#extract
• Gallery: https://designlang.app/gallery
• CHANGELOG: [CHANGELOG.md](https://github.com/Manavarya09/design-extract/blob/main/CHANGELOG.md#12140

🤖 Built with Claude Code.