Claude Skills

Use when you need SVG diagram rules, layout patterns, or embedding guidance for slide decks and want the minimal SVG-focused reading path.

Patterns for using Peewee ORM with DatabaseProxy and scoped connections/transactions. Use when setting up DatabaseProxy, managing connection_context/atomic blocks, or writing tests with SQLite.

Use when you need Marp/Marpit Markdown authoring rules, directives, layouts, or theme guidance and want the minimal reading path for slide writing.

Plan operational tasks (docker, installs, organization) that skip TDD

Comprehensive error handling patterns for robust applications including custom errors, error boundaries, recovery strategies, and user-facing error messages. Use this skill when designing error hierarchies, implementing React error boundaries, adding retry logic or fallbacks, creating API error responses, integrating error tracking (Sentry), or improving user error communication. Triggers on "error handling", "error boundary", "custom error", "retry logic", "graceful degradation", "error tracking", "Sentry", "user error message", "try-catch", "Result type", "circuit breaker".

Validate JSON data against a JSON Schema. Use when the user asks to validate JSON against a schema, check if JSON conforms to a schema, test JSON data validity, or verify JSON structure matches a schema definition.

Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSWR, file organization with features directory, shadcn/ui components, Tailwind CSS styling, Next.js App Router, performance optimization, and TypeScript best practices. Use when creating components, pages, features, fetching data, styling, routing, or working with frontend code.

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

C++20 coding standards, naming conventions, concepts, ranges, constexpr, file organization, and Doxygen documentation practices for high-performance computing.

Analyze npm package quality using NPMS.io scores for quality, popularity, and maintenance. Use when the user asks for package quality analysis, NPMS scores, or package evaluation metrics.

Generate elegant cover images for articles. Analyzes content and creates eye-catching hand-drawn style cover images with multiple style options. Use when user asks to "generate cover image", "create article cover", or "make a cover for article".

Generate professional infographics with 20 layout types and 17 visual styles. Analyzes content, recommends layout×style combinations, and generates publication-ready infographics. Use when user asks to create "infographic", "信息图", or "visual summary".

Smart article illustration skill. Analyzes article content and generates illustrations at positions requiring visual aids with multiple style options. Use when user asks to "add illustrations to article", "generate images for article", or "illustrate article".

Create well-formatted git commits with conventional commit format and emoji. Automatically runs pre-commit checks (lint, build, docs), analyzes changes, suggests splitting when appropriate, and generates emoji-prefixed conventional commit messages. Use when creating commits in any repository to ensure consistent, professional commit history.

Download Gravatar avatar images to local files. Use when the user wants to save Gravatar images, download profile pictures, or create local avatar caches.

Get detailed metadata for an npm package including versions, dependencies, maintainers, and repository information. Use when the user asks for package details, version history, or package metadata.

Check if an npm package name exists in the registry. Use when the user asks if a package name is available, wants to check package existence, or verify if a package is published.

AI scrum master for GitHub team collaboration. Use at session start, for status checks, debriefing, or team coordination. Triggers on "thunderdome", "run scrum", "status", "debrief", "session start".

Queue-driven work orchestrator. Processes requests from do-work/requests/ using isolated sub-agents. Use to start or resume the work loop.