DevOps

Charles Harrington Elster vocabulary mastery incarnated. Auto-activates for "vocabulary drill", "pronunciation practice", "verbal advantage", "elster", vocab.md work, or "teach me pronunciation". Teaches stress-timing principle (THE master key), pattern recognition, word families - practitioner sentences over memorization. (user)

Validate WCAG 2.1 compliance, screen reader compatibility, and Universal Design for Learning (UDL) principles implementation throughout curriculum materials. Use when checking accessibility, validating UDL, or ensuring compliance. Activates on "accessibility check", "WCAG validation", "UDL review", or "screen reader test".

Search arXiv preprint repository for papers in physics, mathematics, computer science, quantitative biology, and related fields

Extract and maintain company-specific coding best practices from PR review comments. Use when the user requests to analyze PR comments from a repository to generate best practices documentation, or when implementing features and needs to reference established coding standards. Triggers include requests like "analyze PR comments and create best practices", "extract coding standards from repo X", or "check if this code follows our best practices".

Work with MongoDB (document database, BSON documents, aggregation pipelines, Atlas cloud) and PostgreSQL (relational database, SQL queries, psql CLI, pgAdmin). Use when designing database schemas, writing queries and aggregations, optimizing indexes for performance, performing database migrations, configuring replication and sharding, implementing backup and restore strategies, managing database users and permissions, analyzing query performance, or administering production databases.

Enforce session-first workflow (plan → implement → verify → document). Use whenever starting non-trivial work, debugging >15 minutes, or doing cross-cutting changes.

Core test infrastructure patterns for monorepo Vitest setup including global configuration, browser API polyfills, mocking patterns, test cleanup, directory structure, and coverage philosophy. Use when setting up Vitest test infrastructure, configuring test environments, implementing test utilities, or establishing test standards. Triggers on: vitest setup, test configuration, test infrastructure setup, test mocking patterns, test cleanup, test standards, monorepo testing.

Ruby environment setup and update workflow using rbenv and Bundler. Use when user asks to update Ruby environment, update rbenv, install Ruby version, run bundle install, update Gemfile.lock, or set up Jekyll/Ruby project dependencies. (user)

Manage OnePiece transcoding pipeline - GPU local transcoding, remux Japanese audio, upload to Dropbox for web streaming app.

Use when writing or updating spec.md files. Defines requirement format, user story structure, and scenario patterns.

Teaches how to use Bluera Knowledge for accessing library sources and reference material. Explains two approaches - vector search via MCP/slash commands for discovery, or direct Grep/Read access to cloned repos for precision. Shows when to use each method and example workflows for querying library internals.

Documenting and categorizing project prompts and decisions for StickerNest. Use when the user asks to document a session, record what was built, update project history, add to the prompt archive, or when starting a new session and needing context. Covers prompt categorization, decision history, and architectural evolution.

This skill should be used when redesigning golf practice station pages (driving range, short game, putting) to be goal-oriented and mobile-friendly. It provides the page structure, style patterns, and Trackman exercise templates established in the Off the Tee station redesign.

Write and maintain CSS using consistent methodology, design systems, framework utilities, and minimal custom styles for better performance and maintainability. Use this skill when writing or modifying CSS files, style modules, Tailwind classes, styled-components, CSS-in-JS, or any styling code for UI components. Use this when applying utility classes, maintaining design tokens for colors/spacing/typography, working with CSS frameworks like Tailwind or Bootstrap, avoiding framework style overrides, optimizing CSS for production with purging/tree-shaking, or implementing responsive styling. Use this when working on .css, .scss, .module.css files or when adding className/style attributes to components.

Expert in managing RAG (Retrieval-Augmented Generation) indices for L'Oréal's BTDP infrastructure. **TRIGGER THIS SKILL when user asks:** "list RAG", "create RAG", "delete RAG", "search RAG", "available RAG indices", or any operation involving RAG index management (list, create, delete, search).

Execute PHP scripts directly on the Moodle server via SSH for database queries, user management, course operations, and system administration. Use when you need direct database access, when REST API permissions are insufficient, or when the user asks to "use PHP directly" or "run a script on the server".

This skill provides guidance for facilitating multi-agent discussions, managing agent selection, maintaining character consistency, or orchestrating collaborative conversations between AI agents

Deploys infrastructure on Linode (Akamai Cloud) with Linodes, Firewalls, and VLANs.Strong Kubernetes support with Cluster Autoscaler and Akamai edge network integration.Use when: setting up Linode/Akamai infrastructure, deploying Linodes, configuring firewalls, needing Kubernetes autoscaling, wanting Akamai CDN integration.Keywords: linode, akamai, linode-cli, VPS, dedicated CPU, firewall, VLAN, kubernetes autoscale, infrastructure

Advanced skill creation system for Claude Code that combines deep intent analysis, evidence-based prompting principles, and systematic skill engineering. Use when creating new skills or refining existing skills to ensure they are well-structured, follow best practices, and incorporate sophisticated prompt engineering techniques. This skill transforms skill creation from template filling into a strategic design process.

Expert prompt optimization specialist that helps users craft, refine, and optimize prompts for Claude API to maximize effectiveness, reduce token usage, and improve output quality