Claude Skills

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

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.

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.

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

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".

Use this skill for buying, selling, or searching books on the Telvok marketplace. Triggers on: marketplace, buy, sell, publish, search books, library store, browse, catalog.

Provides flag definitions and usage rules when double-dash flags (--flag-name) detected in user prompt - describes execution modes, tool selection, and behavioral modifications

Deep codebase context analysis like Greptile. Analyzes blast radius of changes, dependency graphs, and architectural consistency. Use when reviewing changes to core utilities, shared libraries, or database models.

LLM evaluation frameworks, benchmarks, and quality metrics for production systems.

This skill should be used when the user requests to audit, check, or generate authentication and authorization protection for Next.js routes, server components, API routes, and server actions. It analyzes existing routes for missing auth checks and generates protection logic based on user roles and permissions. Trigger terms include auth check, route protection, protect routes, secure endpoints, auth middleware, role-based routes, authorization check, api security, server action security, protect pages.

Use when implementing any feature or bugfix, before writing implementation code

Use when you have a spec or requirements for a multi-step task, before touching code

Retrieve code diff from a local git commit. Use this as the first step in a code review pipeline when reviewing local commits.

Retrieve code diff from a GitHub Pull Request via GitHub API. Use this as the first step in a code review pipeline when reviewing GitHub PRs.

Use when designing interfaces, data visualizations, documentation, or any output where clarity and visual hierarchy matter - applies Swiss design principles of reduction, grid structure, hierarchy, and typography

Review documentation changes for compliance with the Metabase writing style guide. Use when reviewing pull requests, files, or diffs containing documentation markdown files.

Use when creating new skills, editing existing skills, or verifying skills work before deployment