3.7K skills · sorted by relevance
Generates Mediator pattern for PHP 8.5. Creates coordination layer for complex component interactions with event dispatching, request/response handling, and colleague classes. Reduces coupling between interacting objects. Includes unit tests.
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Generates Null Object pattern for PHP 8.5. Creates safe default implementations eliminating null checks. Includes unit tests.
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Generates Circuit Breaker pattern for PHP 8.5. Creates resilience component protecting against cascading failures with state management, fallback support, and metrics. Includes unit tests.
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Generates Object Pool pattern for PHP 8.5. Creates reusable object containers for expensive resources like connections. Includes unit tests.
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Generates Policy pattern for PHP 8.5. Creates encapsulated business rules for authorization, validation, and domain constraints. Includes unit tests.
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Generates PSR-11 Container implementation for PHP 8.5. Creates ContainerInterface with service resolution, autowiring support, and exceptions. Includes unit tests.
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Generates PSR-14 Event Dispatcher implementation for PHP 8.5. Creates EventDispatcherInterface, ListenerProviderInterface, and StoppableEventInterface with event propagation. Includes unit tests.
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Generates Builder pattern for PHP 8.5. Creates step-by-step object construction with fluent interface and validation. Includes unit tests.
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Generates PSR-17 HTTP Factories implementation for PHP 8.5. Creates RequestFactoryInterface, ResponseFactoryInterface, StreamFactoryInterface, UriFactoryInterface, ServerRequestFactoryInterface, UploadedFileFactoryInterface. Includes unit tests.
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Generates Decorator pattern for PHP 8.5. Creates wrapper classes for dynamic behavior addition without inheritance. Includes unit tests.
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Calculate statistical significance for A/B tests. Sample size estimation, power analysis, and conversion rate comparisons with confidence intervals.
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Structured guide for setting up A/B tests with mandatory gates for hypothesis, metrics, and execution readiness.
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Adds comprehensive accessibility testing to CI/CD pipelines using axe-core Playwright integration or pa11y-ci. Automatically generates markdown reports for pull requests showing WCAG violations with severity levels, affected elements, and remediation guidance. This skill should be used when implementing accessibility CI checks, adding a11y tests to pipelines, generating accessibility reports, enforcing WCAG compliance, automating accessibility scans, or setting up PR accessibility gates. Trigger terms include a11y ci, accessibility pipeline, wcag ci, axe-core ci, pa11y ci, accessibility reports, a11y automation, accessibility gate, compliance check.
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[52] EXECUTE. Three-stage refactoring workflow: (1) iterative research of refactor/modularization options, (2) plan + risk/edge-case analysis + Scope150 validation, then implement with tests after user confirmation, and (3) apply Scout105 cleanup protocol. Use when asked to refactor, modularize, or restructure code safely.
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Design and analyze A/B tests, calculate statistical significance, and determine sample sizes for conversion optimization and experiment validation
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Verification loop for Spring Boot projects: build, static analysis, tests with coverage, security scans, and diff review before release or PR.
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Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.
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Verification loop for Django projects: migrations, linting, tests with coverage, security scans, and deployment readiness checks before release or PR.
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Master Bash Automated Testing System (Bats) for comprehensive shell script testing. Use when writing tests for shell scripts, CI/CD pipelines, or requiring test-driven development of shell utilities.
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Structured guide for setting up A/B tests with mandatory gates for hypothesis, metrics, and execution readiness.
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Picks random winners from lists, spreadsheets, or Google Sheets for giveaways, raffles, and contests. Ensures fair, unbiased selection with transparency.
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Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup
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Use this skill immediately when the user mentions merge conflicts that need to be resolved. Do not attempt to resolve conflicts directly - invoke this skill first. This skill specializes in providing a structured framework for merging imports, tests, lock files (regeneration), configuration files, and handling deleted-but-modified files with backup and analysis.
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Statistical analysis toolkit. Hypothesis tests (t-test, ANOVA, chi-square), regression, correlation, Bayesian stats, power analysis, assumption checks, APA reporting, for academic research.
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