Development skills

Documents the data a frontend needs so that backend developers can build the API for it.

Creates detailed, sectioned implementation plans through research, stakeholder interviews and review by several LLMs.

Analyses recent code changes in the git history and draws out the software engineering lessons in them.

Covers Material UI v7 patterns: sx prop styling, theme integration, responsive design and MUI hooks.

Suggests better names for variables, functions and classes based on context and conventions.

Converts OpenAPI 3.0 JSON or YAML into TypeScript interfaces and type guards.

Creates and manages Claude Code plugins with the correct structure, manifests and marketplace integration.

Generates test plans, manual test cases, regression suites and bug reports for QA engineers.

Covers type-safe React with TypeScript for React 18 and 19: components, hooks, events and Server Components.

Teaches when not to use useEffect and what to use instead, following the official React docs.

Reduces the total size of a codebase on request, with a bias toward deleting code.

Scores the design quality of an agent skill against the official specification and suggests improvements.

Classifies a WordPress codebase and routes the agent to the right workflow for plugins, themes or blocks.

Covers developing WordPress blocks: block.json, attributes, dynamic rendering and deprecations.

Covers developing WordPress block themes: theme.json, templates, patterns and style variations.

Covers building and debugging WordPress Interactivity API features and directives.

Investigates and improves WordPress backend performance: profiling, query optimisation, autoloaded options and caching.

Runs and troubleshoots WordPress Playground: local CLI runs, share links, snapshots and version switching.

Covers WordPress plugin development: architecture, hooks, Settings API, data storage, security and release packaging.

Inspects a WordPress repository and returns a structured JSON report of its type, tooling and versions.

Covers building and debugging WordPress REST API endpoints: routes, schema validation, permissions and responses.

Covers WP-CLI operations: search-replace, database export and import, plugin and user management, cron and multisite.

Recommends a Stripe Connect configuration and charge pattern for marketplaces, platforms and multi-vendor stores.

Explains what verification and KYC information a Stripe Connect connected account must provide.