Implement payment integrations with SePay (Vietnamese payment gateway with VietQR, bank transfers, cards) and Polar...
Development
Code generation, debugging, testing, and development workflows
3,986 skills
Apply structured, reflective problem-solving for complex tasks requiring multi-step analysis, revision capability,...
Guide for creating effective skills, adding skill references, skill scripts or optimizing existing skills. This...
Frontend UI/UX design intelligence - activate FIRST when user requests beautiful, stunning, gorgeous, or aesthetic...
Build modern full-stack web applications with Next.js (App Router, Server Components, RSC, PPR, SSR, SSG, ISR),...
Interact with GitHub issues - create, list, and view issues.
Design and analyze A/B tests, calculate statistical significance, and determine sample sizes for conversion...
Implement WCAG 2.1/2.2 accessibility standards, screen reader compatibility, keyboard navigation, and a11y testing....
Test web applications for WCAG compliance and ensure usability for users with disabilities. Use for accessibility...
Implement comprehensive alert management with PagerDuty, escalation policies, and incident coordination. Use when...
Identify unusual patterns, outliers, and anomalies in data using statistical methods, isolation forests, and...
Document API changes, breaking changes, migration guides, and version history for APIs. Use when documenting API...
Verify API contracts between services to ensure compatibility and prevent breaking changes. Use for contract...
Implement comprehensive API error handling with standardized error responses, logging, monitoring, and user-friendly...
Debug client-side issues using browser developer tools. Identify JavaScript errors, styling issues, and performance...
Reduce JavaScript and CSS bundle sizes through code splitting, tree shaking, and optimization techniques. Improve...
Identify groups and patterns in data using k-means, hierarchical clustering, and DBSCAN for cluster discovery,...
Write comprehensive code documentation including JSDoc, Python docstrings, inline comments, function documentation,...
Generate code from templates and patterns including scaffolding, boilerplate generation, AST-based code generation,...
Analyze code complexity, cyclomatic complexity, maintainability index, and code churn using metrics tools. Use when...
Perform comprehensive code reviews with best practices, security checks, and constructive feedback. Use when...
Track and analyze user cohorts over time, calculate retention rates, and identify behavioral patterns for customer...
Analyze competitive landscape to identify strengths, weaknesses, opportunities, and threats. Inform product strategy...
Measure relationships between variables using correlation coefficients, correlation matrices, and association tests...