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Story brainstorming capture — minimal notes that preserve creative freedom. Use when exploring narrative ideas, discussing characters, planning chapters, or thinking through story possibilities. Supports interactive conversation and autonomous report mode for fan-out exploration.

Use this skill whenever the user wants to install, configure, or use asdf (asdf-vm), the universal version manager. Trigger for any mention of asdf, .tool-versions files, managing runtime versions, switching between versions of Node.js, Python, Ruby, Go, Terraform, kubectl, Java, Erlang, Elixir, or any other tool managed by asdf. Also trigger when migrating from nvm, pyenv, rbenv, goenv, tfenv, or similar single-language version managers. Use this skill for help with asdf plugins, asdf install, asdf set/global/local, troubleshooting shims, Fish/Bash/Zsh shell configuration, and multi-project version isolation workflows.

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Build a comprehensive Amazon advertising strategy combining Sponsored Products, Sponsored Brands, and Sponsored Display. Budget allocation, campaign structure, keyword strategy, and ACoS optimization.

Brand Registry enrollment guide — eligibility, application, benefits, A+ Content access, brand protection tools

Brand Tailored Promotions — audience targeting, discount tiers, customer segmentation, repeat purchase incentives

Win and maintain the Amazon Buy Box. Analyze Buy Box eligibility factors, competitor pricing dynamics, and develop pricing and fulfillment strategies to maximize your Buy Box percentage.

Category and brand ungating — requirements, documentation, appeal process, restricted categories guide

Coupon and promotion planning — coupon types, stacking rules, deal timing, redemption optimization

PPC dayparting — bid scheduling by hour/day, peak shopping times, budget optimization by time slot

Complete FBA preparation guide. Product labeling, packaging requirements, shipment planning, and compliance with Amazon's fulfillment center requirements. Avoid common rejection reasons.

FBA inventory planning — restock timing, safety stock, IPI score optimization, stranded inventory recovery

Discover profitable Amazon niches with low competition and high demand. Evaluates niche viability using demand indicators, competition metrics, profit margins, and growth potential.

Private label launch playbook — product selection, branding, supplier management, differentiation strategy

Product bundling strategy — virtual bundles, multi-pack pricing, cross-sell bundles, bundle listing optimization

Product compliance and safety — certifications, labeling requirements, restricted substances, documentation

Comprehensive Amazon profit analysis — revenue breakdown, fee structure, true net margin, and optimization opportunities. Analyzes per-ASIN and portfolio-level profitability including advertising costs, returns, and hidden fees.

Amazon repricing strategy advisor — competitive pricing rules, Buy Box optimization, margin protection, and repricing tool selection. Builds custom repricing logic based on your goals: Buy Box win rate, margin targets, or velocity.

Seasonal sales calendar — Prime Day, Black Friday, Q4 prep, inventory planning, promotion scheduling

Analyze Amazon seller storefronts and product portfolios. Estimate revenue, identify top products, assess growth trajectory, and uncover strategy patterns. Useful for competitive intelligence and market research.

Calculate Amazon shipping and fulfillment costs for FBA and FBM. Dimensional weight, storage fees, removal fees, and long-term storage cost estimation.

Amazon Store builder — page layouts, brand story, shoppable images, traffic driving, conversion optimization

Subscribe & Save optimization — enrollment, discount tiers, frequency optimization, retention analysis

Account suspension prevention and appeal — policy violations, Plan of Action writing, reinstatement process

Discover trending products and rising categories on Amazon. Analyzes Best Seller Rank (BSR) patterns, new release momentum, seasonal trends, and emerging niches. Helps identify product opportunities before they peak.

Parent-child variation planning — when to merge/split, color/size variations, ranking benefits

Wholesale product sourcing — supplier discovery, negotiation, MOQ optimization, margin analysis

Universal tariff calculator for Amazon sellers. Calculate import duties, landed costs, and VAT/GST for any trade route. Supports CN→US, CN→EU, US→EU, EU→US, US→CN and custom origin/destination pairs. Includes Section 301 tariffs, trade agreement rates (USMCA, EVFTA), and HS code lookup. No API key required.

Manage parallel development across ALL projects using git worktrees with Claude Code agents. Each worktree is an isolated copy of the repo on a different branch, stored centrally at `~/tmp/worktrees/`

Deep learning cell and nucleus segmentation from fluorescence and brightfield microscopy images. Uses pre-trained models (cyto3, nuclei, tissuenet) and a generalist flow-based algorithm that segments cells without requiring retraining on new image types. Outputs label masks for downstream morphology measurement and tracking. Use scikit-image watershed for rule-based segmentation; use Cellpose when deep learning generalization across staining conditions is needed.