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Found 3,730 Skills
Use this skill when implementing data validation, data quality monitoring, data lineage tracking, data contracts, or Great Expectations test suites. Triggers on schema validation, data profiling, freshness checks, row-count anomalies, column drift, expectation suites, contract testing between producers and consumers, lineage graphs, data observability, and any task requiring data integrity enforcement across pipelines.
Use this skill when applying Jobs-to-be-Done, building opportunity solution trees, mapping assumptions, or validating product ideas. Triggers on product discovery, JTBD, jobs-to-be-done, opportunity solution trees, assumption mapping, experiment design, prototype testing, and any task requiring product discovery methodology.
Spring Modulith for modular architecture in Spring Boot 3.x. Covers module structure, API vs internal packages, inter-module events, module testing, documentation generation, and observability. USE WHEN: user mentions "spring modulith", "modular monolith", "@ApplicationModule", "module boundaries", "inter-module events", "@ApplicationModuleTest", "modular architecture" DO NOT USE FOR: simple applications - unnecessary complexity, microservices - use proper service boundaries, existing tightly coupled monoliths - requires significant refactoring
Build and operate modern Node.js applications with strong architecture, dependency hygiene, performance, resilience, observability, and security controls. Use when designing project layout, runtime/module strategy, testing and CI, release workflows, and production operations.
Records completed work progress to .trellis/workspace/ journal files after human testing and commit. Captures session summaries, commit hashes, and updates developer index files for future session context. Use when a coding session is complete, after the human has committed code, or to persist session knowledge for future AI sessions.
Execute a comprehensive React Project Health Audit. Analyzes tech stack, architecture, state management, testing, code quality, performance, CI/CD, and documentation. Produces a Google Docs-ready report with section scores and weighted overall score. Use when the user asks to audit a React project, run a health check, evaluate frontend quality, or assess technical debt. Triggers on: 'react audit', 'health audit', 'react health', 'frontend audit', 'next.js audit', 'vite audit', 'project quality check'.
Guides idiomatic Lua 5.4 programming, module design, and project maintenance for Neovim plugin/config ecosystems (LazyVim, lazy.nvim) and macOS bar tools (SketchyBar/SbarLua). Covers style, tooling (StyLua, Selene, LuaLS), module patterns, and testing. Use when writing Lua code, configuring Neovim plugins, working with SketchyBar Lua configs, debugging Lua require/module errors, or when the user mentions Lua, .lua files, LazyVim, lazy.nvim, SbarLua, SketchyBar, luarocks, LuaLS, StyLua, or Selene.
Mailgun (Sinch) platform help — developer-first transactional email API and SMTP relay with inbound routing, webhooks, and Mailgun Optimize deliverability tools. Use when sending transactional email via Mailgun API or SMTP, configuring domains or DNS (DKIM/SPF), setting up inbound email routing, managing webhooks or templates, using Mailgun Optimize for inbox placement testing, or working with the Mailgun REST API. Do NOT use for general email deliverability strategy (use /sales-deliverability), cross-platform email marketing (use /sales-email-marketing), or email open/click tracking strategy (use /sales-email-tracking).
Generates an evidence-calibrated product or marketing persona using the canonical v2.5 output contract. Use when shaping artifact perspective, stress-testing decisions, or framing product and GTM strategy.
When the user wants help writing, improving, or auditing Google Ads ad copy — RSA headlines, descriptions, headline frameworks, value propositions, CTAs, ad copy testing strategy, or matching copy to search intent. Triggers on 'write ad copy', 'headline ideas', 'RSA headlines', 'ad copy', 'improve my ads', 'ad copy audit', 'write better ads', 'headline frameworks', 'description copy', 'ad relevance', 'CTA copy', 'value proposition in ads', or 'ad copy for [campaign type]'. For RSA structure and technical setup see google-ads-search. For testing ad copy variations see google-ads-experiments.
Comprehensive Drupal patterns from "Drupal at Your Fingertips" by Selwyn Polit. Covers 50+ topics including services, hooks, forms, entities, caching, testing, and more.
Craft CMS 5 plugin and module development — extending Craft. Covers the full extend surface: elements, element queries, services, models, records, project config, controllers, CP templates, migrations, queue jobs, console commands, field types, native fields, events, behaviors, Twig extensions, utilities, widgets, filesystems, debugging, testing, and GraphQL. Triggers on: beforePrepare(), afterSave(), defineSources(), defineTableAttributes(), attributeHtml(), MemoizableArray, getConfig(), handleChanged, $allowAnonymous, $enableCsrfValidation, BaseNativeField, EVENT_DEFINE_NATIVE_FIELDS, FieldLayoutBehavior, EVENT_REGISTER, EVENT_DEFINE, EVENT_BEFORE, EVENT_AFTER, CraftVariable, registerTwigExtension, DefineConsoleActionsEvent, PHPStan, Pest. Always use when writing, editing, or reviewing any Craft CMS plugin or module code.