# fernando-bertholdo > Open-source publisher. Listings imported from github.com/fernando-bertholdo — credited to the original author with their license. - **Listings:** 15 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/fernando-bertholdo - **Website:** https://github.com/fernando-bertholdo ## Published listings - [Copy](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-copy) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-copy` Craft messages that are understood, remembered, and drive action using the SUCCESs checklist (Simple, Unexpected, Concrete, Credible, Emotional, Stories). Use when the user mentions "make it memorable", "sticky messaging", "tagline", "value proposition", "why the message isnt landing", "knowledge curse", "surprise gap", or "concrete language". Also trigger when writing pitch decks, simplifying co… - [Prompt Master](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-upstream) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-upstream` Generates optimized prompts for AI tools. Activates only when the user explicitly asks to write, fix, improve, or adapt a prompt for a specific AI tool (LLM, Cursor, Midjourney, image AI, video AI, coding agents, etc.). Does not activate for general conversation, coding tasks, document writing, or other non-prompt-engineering work. - [Animation Motion](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-animation-motion) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-animation-motion` Use when designing or reviewing UI animations, transitions, and motion interactions. Triggers for animation decisions, performance optimization, accessibility compliance, and gesture handling. - [Heuristics](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-heuristics) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-heuristics` Evaluate and improve interface usability using heuristic analysis. Use when the user mentions "usability audit", "UX review", "users are confused", "heuristic evaluation", "form usability", "navigation problems", "Nielsen heuristics", "cognitive walkthrough", or "usability testing". Also trigger when reviewing a design for usability issues, improving form completion rates, or evaluating informati… - [Cro](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-cro) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-cro` Audit websites and landing pages for conversion issues and design evidence-based A/B tests. Use when the user mentions "landing page isnt converting", "conversion rate", "A/B test", "why visitors leave", "objection handling", "bounce rate", "split testing", or "conversion funnel". Also trigger when diagnosing why signups are low, designing experiment hypotheses, or auditing checkout flows for fri… - [Typography](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-typography) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-typography` Select, pair, and implement typefaces for web projects. Use when the user mentions "font pairing", "which typeface", "line height", "responsive typography", "web font loading", "type hierarchy", "variable fonts", "FOUT/FOIT", or "typographic scale". Also trigger when choosing between system fonts and web fonts, optimizing font loading performance, or designing readable long-form content layouts.… - [Web Standards](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-web-standards) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-web-standards` Use when reviewing or building web interfaces for accessibility compliance, component patterns, form handling, typography, performance, animations, and UX patterns aligned with modern web standards and Vercel's guidelines. - [Coordinator](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-coordinator) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-coordinator` Triage router for the ui-excellence plugin. Analyzes task context and routes to the right specialist skill(s) — often multiple at once. Use when building, reviewing, or refining any web UI: components, pages, layouts, forms, modals, animations, styles, audits, copywriting, or engagement design. - [Accessibility](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-accessibility) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-accessibility` Use when building or reviewing UI components to ensure WCAG 2.1 compliance, keyboard navigation, semantic HTML, ARIA attributes, color contrast, and assistive technology support. - [Refactoring](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-refactoring) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-refactoring` Audit and fix visual hierarchy, spacing, color, and depth in web UIs. Use when the user mentions "my UI looks off", "fix the design", "Tailwind styling", "color palette", "visual hierarchy", "design system", "spacing scale", or "component styling". Also trigger when building consistent design tokens, creating dark mode themes, improving data visualization clarity, or polishing UI details before l… - [Microinteractions](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-microinteractions) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-microinteractions` Design the small details -- triggers, rules, feedback, loops and modes -- that separate good products from great ones. Use when the user mentions "microinteraction", "button feedback", "loading state", "toggle design", "animation detail", "interaction polish", "state transitions", or "input feedback". Also trigger when designing form validation responses, progress indicators, confirmation dialogs… - [Visual Polish](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-visual-polish) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-visual-polish` Use when refining interface details (text wrapping, spacing, animations, shadows, alignment) to compound small visual improvements into polished, responsive experiences following Jakub Krehel's principles. - [Hooked](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-hooked) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-hooked` Design habit-forming product loops using the Hook Model (Trigger, Action, Variable Reward, Investment). Use when the user mentions "users arent coming back", "engagement loops", "habit formation", "push notifications", "variable rewards", "daily active users", "habit zone", or "user retention loops". Also trigger when designing notification strategies, building streaks or progress systems, or ana… - [Retention](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-retention) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-retention` Diagnose and fix retention problems using behavior design (B=MAP). Use when the user mentions "users drop off", "activation rate", "onboarding friction", "retention metrics", "why users dont complete", "churn analysis", "user activation", or "aha moment". Also trigger when analyzing cohort retention curves, designing activation milestones, reducing time-to-value for new users, or investigating wh… - [Smart Rename](https://agentstack.voostack.com/l/skill-fernando-bertholdo-4-successful-ai-life-smart-rename) — Skill · Free · security-reviewed — `agentstack add skill-fernando-bertholdo-4-successful-ai-life-smart-rename` Manage the smart-session-rename plugin — suggest, anchor, freeze, force, explain. --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.