Stop buying sunglasses that look weird and you do not know why.
Face shape × frame proportion is the single biggest predictor of "I love these." Upload a selfie or type a description, get 12 specific frame picks across budget / mid / premium, plus the lens tint matched to your skin + eye coloring. One pair under \$10, no subscription.
What it does
Most people buy 3-5 pairs of sunglasses that don't quite work before they figure out why. The reason is rarely the brand or the price — it's frame shape × face shape mismatch + lens tint that fights your coloring. This skill diagnoses your face shape (Oval / Round / Square / Heart / Diamond / Oblong / Triangle) from either a selfie or a detailed verbal description, then matches it to the frame styles that actually flatter your proportions. You get 12 specific frame picks (brand + model name) across three price tiers — Budget ($60-150), Mid ($150-400), Premium ($400+) — plus the 2-3 styles to skip and the optical reason why. Lens tint is matched to both your skin undertone AND your eye color (not just one), with explicit guidance on when polarized / mirrored / gradient is right or wrong for your daily use (driving, screens, beach, trails, office). You also get a printable try-on checklist, the 6-point fit check for in-store visits, virtual try-on caveats, and a face-measurement sheet to bring to checkout. One pair under $10, no subscription, install on Claude Code or ChatGPT in a single command.
Frequently asked
Install — no Terminal required
After checkout you land on a page with a one-click download and a pre-built install prompt. Pick the AI you already pay for — both packages are included, so you can't pick wrong.
No setup work before you buy — copy, paste, done.
Copy the pre-built install prompt from the success page, paste it into any Claude Code chat, and Claude installs the skill itself — about 10 seconds. Using the app instead? Drop the downloaded folder into a Claude Project's knowledge and ask Claude to use it.
- Click Download ChatGPT package (included with every purchase).
- Unzip it — inside is a SETUP.md and a knowledge/ folder.
- Go to chatgpt.com → your profile → My GPTs → Create a GPT → Configure.
- Paste the Name, Description, and Instructions from SETUP.md into the matching fields.
- Under Knowledge, upload every file in the knowledge/ folder.
- Click Create/Save, open your GPT, and describe your task in plain English.
A paid plan on either platform is required — Claude (Pro, Max, or Team) or ChatGPT (Plus or Team). Comfortable with Terminal? A one-line npx skilltree-network install path is available too.
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