minitest
Expert guidance for writing fast, maintainable Minitest tests in Rails applications. Use when writing tests, converting from RSpec, debugging test failures, improving test performance, or following testing best practices. Covers model tests, policy tests, request tests, system tests, fixtures, and TDD workflows.
testing
Expert guidance for Rails testing infrastructure, test types, and what to test. Use when writing tests, setting up a test suite, choosing between test types, configuring system tests (Capybara), request tests, integration tests, helper tests, mailer tests, job tests, Action Cable tests, parallel testing, CI setup, test database management, or improving test coverage. Covers the test runner, fixtures vs factories, parallel testing, system tests (drivers, screenshots), request tests, controller tests (legacy), helper tests, mailer tests, job tests, Action Cable tests, test coverage, CI patterns, and test database strategies. Trigger on "test", "testing", "test suite", "system test", "request test", "integration test", "test runner", "parallel testing", "capybara", "test database", "CI testing", "test coverage".
stimulus
Expert guidance for building Stimulus controllers in Rails applications. Use when creating JavaScript behaviors, writing data-controller/data-action/data-target attributes, building interactive UI components, or working with Hotwire Stimulus. Covers controller creation, targets, values, actions, classes, outlets, lifecycle callbacks, progressive enhancement, and common patterns like clipboard, flash, modal, toggle, and form validation.
routing
Expert guidance for defining routes in Rails applications. Use when adding routes, working with resources, nested routes, namespaces, path helpers, routes.rb, RESTful design, API routes, URL helpers, or any routing-related task. Covers resources, singular resources, nesting, namespace vs scope, constraints, concerns, member/collection routes, and route testing.
turbo
Expert guidance for building modern Rails UIs with Turbo (Drive, Frames, Streams). Use when implementing partial page updates, real-time broadcasts, turbo frames, turbo streams, hotwire patterns, turbo_frame_tag, turbo_stream responses, lazy loading frames, morphing, page refreshes, or any "turbo" related Rails feature. Covers Turbo Drive navigation, Turbo Frames for scoped updates, Turbo Streams for real-time HTML delivery, and Turbo 8 morphing.
uuid-primary-keys
Expert guidance for implementing UUID primary keys in Rails applications. Use when setting up UUIDs as primary keys, choosing between UUIDv4 and UUIDv7, configuring generators for UUID defaults, writing migrations with id colon uuid, adding UUID foreign keys, implementing base36 encoding for URL-friendly IDs, configuring PostgreSQL pgcrypto or gen_random_uuid, implementing SQLite binary UUID storage, choosing a primary key type, using non-sequential IDs, secure IDs, random IDs, or any ID generation strategy beyond auto-increment integers.
active-record-querying
Expert guidance for writing efficient, correct Active Record queries in Rails 8.1. Use when writing queries, finding records, building scopes, fixing N+1 queries, using where clauses, includes, joins, eager loading, filtering, searching, plucking data, selecting records, or optimizing database queries. Covers where, find, scopes, includes vs preload vs eager_load, joins, pluck, select, calculations, batching, and query anti-patterns.
active-record-encryption
Expert guidance for encrypting sensitive data at rest using Active Record Encryption in Rails. Use when adding encryption to model attributes, rotating keys, migrating unencrypted data, querying encrypted fields, or protecting PII. Triggers on "encryption", "encrypt", "encrypts", "encrypted attribute", "at-rest encryption", "field encryption", "key rotation", "deterministic encryption", "PII", "sensitive data", "encrypt column", "encrypts macro".
lucide-icons
Expert guidance for using Lucide icons in Rails applications via the lucide-rails gem. Use when adding icons, choosing icon names, styling SVG icons, making icons accessible, or building icon-based UI patterns (buttons, nav, badges, empty states). Triggers on "lucide", "icon", "lucide-rails", "SVG icon", "icon library", "lucide_icon", "feather icon", "inline SVG", "add an icon", "icon button", "icon name".
i18n
Expert guidance for Rails I18n (internationalization and localization). Use when working with translations, locale files, t() / l() helpers, lazy lookups, pluralization, interpolation, date/time/number formatting, model translations, error message translations, setting locale from URL/header/session, or organizing YAML translation files. Triggers on "i18n", "internationalization", "translation", "locale", "localize", "t()", "translate", "multilingual", "pluralization", "locale file", "YAML translation".
css-architecture
Expert guidance for CSS architecture in Rails applications using modern CSS (no Tailwind). Use when writing stylesheets, organizing CSS files, implementing dark mode, defining design tokens, using CSS custom properties, creating component styles, working with CSS layers (@layer), using the light-dark() function, setting up color schemes, or structuring CSS for maintainability. Covers design tokens, semantic color systems, component-scoped styles, utility classes, responsive patterns, and file organization.
caching
Expert guidance for Rails caching — fragment caching, Russian doll caching, cache keys/versioning, low-level caching (Rails.cache), conditional GET (stale?/fresh_when), and cache stores (Solid Cache, Redis, Memcached). Use when implementing cache, caching, fragment cache, Russian doll, Rails.cache, Solid Cache, cache key, HTTP caching, stale?, fresh_when, cache store, or optimizing performance.
generators
Expert guidance for using and creating Rails generators. Use when running "rails generate", "rails g", scaffolding resources, generating models, controllers, migrations, mailers, jobs, or any generated code. Also use for creating custom generators, customizing generator defaults, overriding generator templates, or configuring config.generators. Covers all built-in generators, their flags, and when to use (or not use) each one.
active-storage
Expert guidance for Rails Active Storage — file uploads, attachments, image variants, direct uploads, and cloud service configuration. Use when working with file uploads, has_one_attached, has_many_attached, image processing, variants, S3/GCS/Azure storage, direct uploads, or file attachment patterns in Rails applications.
form-helpers
Expert guidance for building forms in Rails 8 applications. Use when creating forms, form_with, form helpers, nested forms, select helpers, file uploads, form builders, accepts_nested_attributes_for, fields_for, collection_select, grouped_collection_select, date/time selects, checkboxes, radio buttons, rich text areas, or any form-related view code. Covers model-backed forms, URL-based forms, complex nested attributes with _destroy, custom form builders, CSRF tokens, strong parameters for nested forms, and Stimulus integration.
layouts-and-rendering
Expert guidance for Rails view rendering, layouts, partials, and content composition. Use when rendering templates, choosing between render and redirect_to, creating or using partials, working with layouts, using content_for/yield/provide, rendering collections, streaming responses, or handling Turbo-aware status codes. Covers render vs redirect (agents confuse these!), partial locals (never instance variables!), layout selection, conditional rendering, nested layouts, and collection rendering.
active-record-validations
Expert guidance for Active Record validations in Rails 8.1. Use when adding validations, writing "validates", "validate", working with "errors", "valid?", "invalid?", building custom validators, handling uniqueness, presence, format validation, numericality, conditional validations, strict validations, or normalizations. Covers model-layer data integrity, DB constraint pairing, error handling, and common pitfalls.
wechat-to-notebooklm
WeChat article to NotebookLM sync tool. Use when user provides a WeChat Official Account article URL (mp.weixin.qq.com) and wants to add it to their NotebookLM. Automatically fetches article content, converts to Markdown, creates notebook, and uploads to NotebookLM.
jira-search-jql
Find issues by criteria (status, assignee, priority, etc.) using JQL. Create filters, export results to CSV/JSON, bulk update. Ideal for reporting and automation.
jira-time-tracking
Time tracking, worklogs, and time reports. TRIGGERS: 'log time', 'time spent on', 'log hours', 'log work', 'worklog', 'time tracking', 'timesheet', 'how much time', 'time logged', 'time report', 'export timesheet', 'set estimate', 'remaining estimate', 'original estimate'. Use for time-related queries and operations on issues. NOT FOR: SLA tracking (use jira-jsm), date-based issue searches (use jira-search), issue field updates unrelated to time (use jira-issue).
jira-issue-relationships
Issue linking, blockers, and dependency analysis. TRIGGERS: 'what's blocking', 'what is blocking', 'is blocked by', 'link issues', 'link to', 'blockers for', 'depends on', 'clone issue', 'clone with', 'blocking chain', 'dependency graph', 'show dependencies', 'get blockers', 'relates to', 'duplicates'. Use for issue dependencies, relationships, and cloning. NOT FOR: epic linking (use jira-agile), field updates (use jira-issue), bulk cloning (use jira-bulk).
jira-administration
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jira-agile-management
Epic creation and sprint management - create epics, manage sprints, view backlog, estimate with story points. TRIGGERS: 'create an epic', 'create epic', 'new epic', 'show the backlog', 'view backlog', 'add to sprint', 'move to sprint', 'set story points', 'sprint planning', 'epic for', 'link to epic', 'sprint list', 'active sprint', 'velocity', 'create subtask'. NOT FOR: bugs/tasks/stories without epic context (use jira-issue), field ID discovery (use jira-fields), searching issues by JQL (use jira-search), transitioning issues through workflow (use jira-lifecycle).
jira-assistant
JIRA automation hub routing to 13 specialized skills for any JIRA task: issues, workflows, agile, search, time tracking, service management, and more.
jira-bulk-operations
Bulk operations for multiple issues at scale. TRIGGERS: 'bulk update', 'bulk close', 'bulk transition', 'bulk assign', 'transition N issues' (N >= 10), 'update all bugs', 'close 50 issues', 'mass transition', 'update multiple issues', quantities like '50 issues', '100 bugs', '20+ tickets'. Use for operations on 10+ issues. NOT FOR: single issue transitions (use jira-lifecycle), searching only without modifications (use jira-search), single issue field updates (use jira-issue).
jira-collaboration
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jira-developer-integration
Git and developer workflow integration. TRIGGERS: 'generate branch name', 'create branch name', 'branch name for', 'write PR description', 'PR description for', 'link PR', 'link pull request', 'parse commit', 'extract issue from commit', 'smart commit', 'development panel'. Use for Git, GitHub, GitLab, Bitbucket integration with JIRA. NOT FOR: issue field updates (use jira-issue), searching issues (use jira-search), status transitions (use jira-lifecycle).
jira-custom-fields
Custom field discovery and configuration. TRIGGERS: 'field ID for', 'what's the field ID', 'what is the field ID', 'list custom fields', 'what fields are available', 'what custom fields', 'show custom fields', 'customfield_', 'find field', 'agile fields', 'configure agile fields', 'story points field'. Use for JIRA field metadata and discovery. NOT FOR: setting field values on issues (use jira-issue), setting story points (use jira-agile), searching by field values (use jira-search).
jira-issue-management
Core JIRA issue CRUD - create bugs/tasks/stories, get issue details, update fields, delete issues. TRIGGERS: 'show me [KEY]', 'get issue [KEY]', 'view issue', 'create a bug/task/story', 'update [KEY]', 'delete [KEY]', 'details of [KEY]', 'look up [KEY]', 'what's in [KEY]'. NOT FOR: epics (use jira-agile), transitions/status changes (use jira-lifecycle), comments/attachments (use jira-collaborate), time tracking (use jira-time), bulk operations on 10+ issues (use jira-bulk), dependencies/blockers (use jira-relationships), branch names/PR descriptions (use jira-dev).
jira-service-management
Complete ITSM/ITIL workflow support for JSM - service desks, requests, SLAs, customers, approvals, knowledge base. Use when managing service desk requests, tracking SLAs, or handling customer operations.
jira-lifecycle-management
Manage issue lifecycle through workflow transitions and status changes. Control who does what and when via assignments, versions, and components.
jira-operations
JIRA cache and performance operations. TRIGGERS: 'warm the cache', 'warm cache', 'cache status', 'clear cache', 'cache warm', 'cache for project', 'discover project', 'project discovery', 'cache hit rate', 'optimize performance', 'rate limit'. Use for JIRA API performance optimization and project context discovery. NOT FOR: project configuration/settings (use jira-admin), issue operations (use jira-issue), bulk issue modifications (use jira-bulk).
insight
用户需求洞察与产品机会分析技能。适用于新产品开发、营销策划、品类切入前的市场分析。当你需要快速理解目标用户、挖掘情绪动机、将洞察转化为可落地的产品机会时使用此技能。
batch-notification
Send IM messages to users in batch. Used for notifying specific user groups, sending after table filtering, all-staff notifications, etc. Use this Skill when administrators request batch notifications, mass messaging, or notifications after table filtering. Trigger words: notify/send/mass + users/batch/table.
document-conversion
Convert DOC/DOCX/PDF/PPT/PPTX documents to Markdown format. Automatically detect PDF type (electronic/scanned), extract images to separate directory. Use this Skill when administrator onboards non-Markdown documents. Trigger condition: Onboard DOC/DOCX/PDF/PPT/PPTX format files.
excel-parser
Smart Excel/CSV file parsing with intelligent routing based on file complexity analysis. Analyzes file structure (merged cells, row count, table layout) using lightweight metadata scanning, then recommends optimal processing strategy - either high-speed Pandas mode for standard tables or semantic HTML mode for complex reports. Use when processing Excel/CSV files with unknown or varying structure where optimization between speed and accuracy is needed.
expert-routing
Domain expert routing. When the knowledge base cannot answer user questions, find and notify the corresponding expert based on the question domain. Only available in IM mode. Trigger condition: No results in 6-stage retrieval.
large-file-toc
Generate table of contents overview for large files. When onboarded Markdown file exceeds threshold (default 30KB), extract heading structure to create navigation file. Trigger condition: Markdown file size >= 30KB.
satisfaction-feedback
Handle user satisfaction feedback. When users respond with "satisfied"/"unsatisfied", update FAQ usage count or record BADCASE. Trigger words: satisfied/unsatisfied/resolved/not resolved/thanks/满意/不满意/解决了/没解决/谢谢.
code-review
Use when receiving code review feedback (especially if unclear or technically questionable), when completing tasks or major features requiring review before proceeding, or before making any completion/success claims. Covers three practices - receiving feedback with technical rigor over performative agreement, requesting reviews via code-reviewer subagent, and verification gates requiring evidence before any status claims. Essential for subagent-driven development, pull requests, and preventing false completion claims.
web-frameworks
Build modern full-stack web applications with Next.js (App Router, Server Components, RSC, PPR, SSR, SSG, ISR), Turborepo (monorepo management, task pipelines, remote caching, parallel execution), and RemixIcon (3100+ SVG icons in outlined/filled styles). Use when creating React applications, implementing server-side rendering, setting up monorepos with multiple packages, optimizing build performance and caching strategies, adding icon libraries, managing shared dependencies, or working with TypeScript full-stack projects.
aesthetic
Create aesthetically beautiful interfaces following proven design principles. Use when building UI/UX, analyzing designs from inspiration sites, generating design images with ai-multimodal, implementing visual hierarchy and color theory, adding micro-interactions, or creating design documentation. Includes workflows for capturing and analyzing inspiration screenshots with chrome-devtools and ai-multimodal, iterative design image generation until aesthetic standards are met, and comprehensive design system guidance covering BEAUTIFUL (aesthetic principles), RIGHT (functionality/accessibility), SATISFYING (micro-interactions), and PEAK (storytelling) stages. Integrates with chrome-devtools, ai-multimodal, media-processing, ui-styling, and web-frameworks skills.
ai-multimodal
Process and generate multimedia content using Google Gemini API. Capabilities include analyze audio files (transcription with timestamps, summarization, speech understanding, music/sound analysis up to 9.5 hours), understand images (captioning, object detection, OCR, visual Q&A, segmentation), process videos (scene detection, Q&A, temporal analysis, YouTube URLs, up to 6 hours), extract from documents (PDF tables, forms, charts, diagrams, multi-page), generate images (text-to-image, editing, composition, refinement). Use when working with audio/video files, analyzing images or screenshots, processing PDF documents, extracting structured data from media, creating images from text prompts, or implementing multimodal AI features. Supports multiple models (Gemini 2.5/2.0) with context windows up to 2M tokens.
backend-development
Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.
better-auth
Implement authentication and authorization with Better Auth - a framework-agnostic TypeScript authentication framework. Features include email/password authentication with verification, OAuth providers (Google, GitHub, Discord, etc.), two-factor authentication (TOTP, SMS), passkeys/WebAuthn support, session management, role-based access control (RBAC), rate limiting, and database adapters. Use when adding authentication to applications, implementing OAuth flows, setting up 2FA/MFA, managing user sessions, configuring authorization rules, or building secure authentication systems for web applications.
chrome-devtools
Browser automation, debugging, and performance analysis using Puppeteer CLI scripts. Use for automating browsers, taking screenshots, analyzing performance, monitoring network traffic, web scraping, form automation, and JavaScript debugging.
ui-styling
Create beautiful, accessible user interfaces with shadcn/ui components (built on Radix UI + Tailwind), Tailwind CSS utility-first styling, and canvas-based visual designs. Use when building user interfaces, implementing design systems, creating responsive layouts, adding accessible components (dialogs, dropdowns, forms, tables), customizing themes and colors, implementing dark mode, generating visual designs and posters, or establishing consistent styling patterns across applications.
threejs
Build immersive 3D web experiences with Three.js - WebGL/WebGPU library for scenes, cameras, geometries, materials, lights, animations, loaders, post-processing, shaders (including node-based TSL), compute, physics, VR/XR, and advanced rendering. Use when creating 3D visualizations, games, interactive graphics, data viz, product configurators, architectural walkthroughs, or WebGL/WebGPU applications. Covers OrbitControls, GLTF/FBX loading, PBR materials, shadow mapping, post-processing effects (bloom, SSAO, SSR), custom shaders, instancing, LOD, animation systems, and WebXR.
template-skill
Replace with description of the skill and when Claude should use it.
skill-creator
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
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