Email composition and templates
Ruby RSpec TDD Implementer
by viamin
Expert in Test-Driven Development using Ruby and RSpec framework
JBCT
by siy
Java Backend Coding Technology skill for designing, implementing, and reviewing functional Java backend code. Use when working with Result, Option, Promise types, value objects, use cases, or when asked about JBCT patterns, monadic composition, parse-don't-validate, structural patterns (Leaf, Sequencer, Fork-Join), or functional Java backend architecture.
code-smell-detector
by ArabelaTso
Identify and report code smells indicating poor design or maintainability issues in Python code, including duplicate code, magic numbers, hardcoded values, God classes, feature envy, inappropriate intimacy, data clumps, primitive obsession, and long parameter lists. Use when conducting code quality audits, preparing for refactoring, improving codebase maintainability, or performing design reviews. Produces markdown reports with severity ratings, locations, descriptions, and specific refactoring recommendations with before/after examples. Triggers when users ask to find code smells, identify design issues, suggest refactorings, improve code quality, or detect maintainability problems.
solo-founder-gtm
by chadboyda
"When the user is a solo founder building their GTM motion, wants to scale without hiring, or needs to design an AI agent team for go-to-market. Also use when the user mentions 'solo founder,' 'one-person startup,' 'solopreneur,' 'bootstrapped,' 'no team,' 'AI agents as team,' 'scaling without hiring,' 'founder-led sales,' 'lean GTM,' 'one-person company,' or 'no employees.' This skill covers the complete solo founder GTM playbook from stack selection through agent team design, revenue-stage transitions, time allocation, and when to finally hire."
gtm-engineering
by chadboyda
"When the user wants to build GTM automation with code, design workflow architectures, use AI agents for GTM tasks, or implement the 'architecture over tools' principle. Also use when the user mentions 'GTM engineering,' 'GTM automation,' 'n8n,' 'Make,' 'Zapier,' 'workflow automation,' 'Clay API,' 'instruction stacks,' 'AI agents for GTM,' or 'revenue automation.' This skill covers technical GTM infrastructure from workflow design through agent orchestration."
code-refactoring
by julianromli
Code refactoring patterns and techniques for improving code quality without changing behavior. Use for cleaning up legacy code, reducing complexity, or improving maintainability.
by Merit-Systems
Send emails, buy forwarding inboxes, manage custom subdomains, and read messages programmatically via x402. USE FOR: - Sending emails (one-off or from custom addresses) - Buying a forwarding inbox (username@x402email.com) - Purchasing custom email subdomains (you@yourname.x402email.com) - Reading and managing inbox messages programmatically - Setting up catch-all forwarding for subdomains - Managing authorized signers for shared subdomains TRIGGERS: - "send email", "email this to", "notify by email" - "buy inbox", "forwarding address", "email inbox" - "custom domain", "subdomain", "email subdomain" - "read emails", "check inbox", "list messages" - "email address", "disposable email", "temporary email" ALWAYS use npx agentcash fetch for stableemail.dev endpoints. IMPORTANT: Use exact endpoint paths from the Quick Reference table below.
laravel-controller-tests
by noartem
Write focused controller tests using HTTP assertions; keep heavy logic in Actions/Services and unit test them
tdd-with-agents
by ils15
"Comprehensive TDD enforcement guide — RED→GREEN→REFACTOR cycle across backend, frontend, and database agents"
security-awareness
by 1Password
Teaches AI agents to recognize and avoid security threats during normal activity. Covers phishing detection, credential protection, domain verification, and social engineering defense. Use when building agents that access email, credential vaults, web browsers, or sensitive data.
cold-outreach
by mfwarren
Production-ready entrepreneurship skills for Claude Code — marketing, sales, operations, finance, and leadership. 24 skills built by a founder, for founders.
expansion-retention
by chadboyda
"When the user wants to reduce churn, build expansion revenue, automate customer success, or optimize net revenue retention. Also use when the user mentions 'churn,' 'retention,' 'expansion revenue,' 'upsell,' 'NRR,' 'net revenue retention,' 'customer success,' 'land and expand,' 'closed-lost,' or 'renewal.' This skill covers expansion and retention systems from usage triggers through automated customer success."
newsletter-visuals
by kenneth-liao
"Audit a newsletter draft for visual opportunities, score and rank them, and generate on-brand visual assets using AI. Use when enhancing a newsletter draft with visuals, when a draft has [screenshot] placeholders, when asked to 'add visuals to the newsletter', 'create images for this issue', 'make this more visual', or when any newsletter draft needs strategic visual enhancement."
create-note
by kenneth-liao
Create high-engagement Substack Notes for standalone audience engagement, authority-building, and newsletter promotion. This is a thin orchestrator — it sequences content-strategy:research and writing:copywriting invocations for Substack Note creation.
gmail-invoice-processor
by erafat
"Process invoice PDFs from Gmail inbox and create Excel summaries. Use this skill when the user wants to: (1) Download PDF invoices from Gmail, (2) Extract vendor names and amounts from invoice PDFs, (3) Create or update Excel spreadsheets summarizing invoice data, (4) Search for invoices in Gmail by subject line (containing 'invoice' or 'invoices'), (5) Automate invoice tracking or expense reporting from email. Trigger when user mentions Gmail invoices, PDF invoices in email, expense tracking from Gmail, or creating invoice summaries in Excel."
rails-models
by Shoebtamboli
ActiveRecord patterns, migrations, validations, callbacks, associations
nextjs-app-router
by sabahattinkalkan
Next.js App Router best practices, Server Components, Server Actions, routing patterns, and data fetching strategies. Use when building Next.js applications with the App Router.
form-vanilla
by Bbeierle12
Framework-free form validation using HTML5 Constraint Validation API enhanced with Zod for complex rules. Use when building forms without React/Vue or for progressive enhancement.
form-accessibility
by Bbeierle12
WCAG 2.2 AA compliance for forms, ARIA patterns, focus management, keyboard navigation, and screen reader support. Use when implementing accessible forms in any framework. The compliance foundation that ensures forms work for everyone.
form-react
by Bbeierle12
Production-ready React form patterns using React Hook Form (default) and TanStack Form with Zod integration. Use when building forms in React applications. Implements reward-early-punish-late validation timing.
form-ux-patterns
by Bbeierle12
UX patterns for complex forms including multi-step wizards, cognitive chunking (5-7 fields max), progressive disclosure, and conditional fields. Use when building checkout flows, onboarding wizards, or forms with many fields.
form-validation
by Bbeierle12
Schema-first validation with Zod, timing patterns (reward early, punish late), async validation, and error message design. Use when implementing form validation for any framework. The foundation skill that all framework-specific skills depend on.
form-vue
by Bbeierle12
Production-ready Vue form patterns using VeeValidate (default) or Vuelidate with Zod integration. Use when building forms in Vue 3 applications with Composition API.
email-campaigns
by mfwarren
Production-ready entrepreneurship skills for Claude Code — marketing, sales, operations, finance, and leadership. 24 skills built by a founder, for founders.