From gtm-grader
A research-backed analysis tool that scores SaaS websites against 47 optimization rules drawn from peer-reviewed marketing science and UX research. Every rule includes the full research citation — no opinions, no fluff.
How this skill is triggered — by the user, by Claude, or both
Slash command
/gtm-grader:saas-graderThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
A research-backed analysis tool that scores SaaS websites against 47 optimization rules drawn from peer-reviewed marketing science and UX research. Every rule includes the full research citation — no opinions, no fluff.
A research-backed analysis tool that scores SaaS websites against 47 optimization rules drawn from peer-reviewed marketing science and UX research. Every rule includes the full research citation — no opinions, no fluff.
Rules drawn from peer-reviewed marketing science and UX research, supplemented with Nielsen Norman Group eyetracking studies.
Analyze a SaaS homepage and pricing page against every rule in the playbook. For each rule, the output includes what it is, why it matters (the science), the source citation, a compliance verdict (PASS/FAIL/N/A), the specific observation, and a concrete fix recommendation if failing. The full analysis is exported as a standalone .md file.
.md report covering every rule with full contextProductized headline, top 3 benefits, present tense, newness signal, simple language, social proof numbers, 4-4.5 star rating, curated first testimonial.
Design structure matches product type, brand-appropriate colors, layout adapted to SaaS type, moderate complexity, rounded CTAs, machine font, CTA upper-right, before/after left-to-right, video for exciting software, video speed, above-the-fold prioritization, content succinctness, scannable structure, signal-to-noise ratio.
3-5 plans, decoy plan, left-to-right ordering, price below features, price-difference framing, simple pricing, easy math, flat+usage hybrid, flat-rate option.
Full-feature trial, 7-day length, high trial usage, extensions over discounts.
Usage-limited freemium, freemium decoy plan.
Customer gifts, auto-enrolling loyalty program, generous downgrades.
Optimize affiliate payment model, protect from deceptive affiliates.
Altruistic framing, pre-filled messages, avoid money rewards, keep rewards small, targeted referrals.
Each section receives a letter grade (A+ through F) based on the percentage of applicable items that pass:
| Grade | Pass Rate |
|---|---|
| A+ | 100% |
| A | 90-99% |
| A- | 85-89% |
| B+ | 80-84% |
| B | 75-79% |
| B- | 70-74% |
| C+ | 65-69% |
| C | 60-64% |
| C- | 55-59% |
| D+ | 50-54% |
| D | 45-49% |
| D- | 40-44% |
| F | Below 40% |
Items marked N/A are excluded from the denominator.
For each of the 47 rules, the .md report includes:
All rules are drawn from peer-reviewed research published in journals including:
Research conducted at institutions including: UCLA, Stanford, MIT Sloan, University of Melbourne, National University of Singapore, University of Washington, Georgetown University, University of South Florida, University of British Columbia, Nielsen Norman Group, Babson College, University of Miami, Bentley University, Oklahoma State University, University of Florida, Fudan University, Oregon State University, Princeton University, and many others.
Provides UI/UX resources: 50+ styles, color palettes, font pairings, guidelines, charts for web/mobile across React, Next.js, Vue, Svelte, Tailwind, React Native, Flutter. Aids planning, building, reviewing interfaces.
Fetches up-to-date documentation from Context7 for libraries and frameworks like React, Next.js, Prisma. Use for setup questions, API references, and code examples.
npx claudepluginhub eclecticv/gtm-grader --plugin gtm-grader