Mapbox Style OG Imagev0.1.0
Use this Skill to make an OG image.
Split down the middle: a flat deep-navy panel holding a small logo and large white headline, beside a close-up of a hand with a phone showing a dark map and glowing route.
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Updated Oct 26, 2026
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What you get
- A 16:9 WebP split between a navy headline panel and a map-on-phone photo, brand and headline correctly spelled
- The exact prompt it sent plus the saved FAL task file; rerunning resumes that request rather than buying a new one
- A review of spelling, the 6% safe margin and the 16:9 frame before the card reaches you
Good fit
- Location, travel and map apps
- Developer platforms with a mobile angle
- A two-to-six-word headline
Not for
- Pastel, bright or playful brands
- Products with no phone screen
- Reproducing a real map app's screen
About this Skill
Location products can lean on this OG image skill for Claude Fable 5 when the map is the message. The left half of the frame is one flat deep-navy panel, a small logo near the top and the headline large and white beneath it. The right half is a close-up photograph of a hand holding a phone; on its screen, a dark map shows a few markers joined by a bright, glowing route. The agent plans the map and the screen for your product, makes a single GPT Image 2 request through FAL and checks every letter before handing over the WebP.
How it works
- Agree on the name, one headline and one picture idea; drop anything that blurs at thumbnail size
- Lay out the card from references/visual-system.md and fit your colors to its four style anchors
- Strip out outside names, marks, faces, screens and slogans, then invent the map and its route for your brand
- Write a prompt about visible things only: frame, layout, light, palette, subject and type position
- Send one request with the bundled FAL helper and keep the task file it writes
- Read each letter, check the 6% margins and the 16:9 frame, and only then run validate-output.mjs
- If a flaw remains, propose one prompt change and wait for your OK before a second paid request
Checked before delivery
- validate-output.mjs passes with --require-format webp --require-16-9, and the prompt file has no emoji, arrows or symbol characters
- Brand and headline read correctly letter by letter, with key text and faces inside a 6% margin on every side
- Every source name, logo, slogan, person, interface and watermark is replaced by the user's own identity or a new one, and the layout is new for this subject
- Exactly one paid request per approved generation
What you need before you start
- You bring
- Brand or project name, spelled as it should appear on the card · One short headline · What the page, product or audience is · Optional: brand colors, a logo the user may use, a mood, owned reference images, a platform safe zone
- Dependencies
- Node.js 20+ to run the included FAL script · Your own FAL API key, set as FAL_KEY; FAL charges for each image
- Outside costs
- FAL_KEY
- Last tested
- v0.1.0 — Claude Code / Codex / Cursor
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FAQ
Can the map show my actual routes?
The agent plans a new map for your product from what you describe, alongside the name, headline and colors you give it and any logo you may use. No real app screen or outside mark is copied.
Can it work from an image I already have?
If the image is yours or you may use it, yes. Hand it over with --reference and GPT Image 2 runs in edit mode instead. Only mood, color and layout are taken from the picture; nothing in it is reproduced on the card.
Is there a cost beyond the Skill?
Yes: FAL bills every image to your own account. The helper never retries by itself, and running the same command again only picks up the saved request, so checking on a slow job never pays for a second one.