CI/CD

Data analysis, visualization, statistical modeling, and reproducible research workflows.

Use this skill when working with Skeleton UI components in Svelte projects. It provides guidelines for Skeleton's component composition pattern, theme-aware color system, design presets, and layout patterns. Trigger when building UI components, styling elements, creating layouts, or working with Skeleton-specific features in Svelte 5 and SvelteKit 2+ projects.

Vercel preview deployment access patterns including automation bypass, protected preview authentication, CI integration, and Playwright/Chrome DevTools configuration. Use when accessing protected Vercel previews, configuring CI for preview testing, or setting up UI validation agents. Triggers on vercel preview, preview deployment, automation bypass, protected preview, preview authentication, UI validation CI.

Convert RxJS observables or decorator-based code to Angular signals. Use when refactoring to signals, converting @Input/@Output to signal functions, or replacing BehaviorSubject with signal().

Optimizes blog content for search engines and social media

Master epistemology - the theory of knowledge, justification, and belief. Use for: knowledge, justification, skepticism, sources of knowledge, epistemic virtue. Triggers: 'knowledge', 'epistemology', 'justification', 'belief', 'Gettier', 'skepticism', 'certainty', 'evidence', 'testimony', 'perception', 'reason', 'a priori', 'empirical', 'reliability', 'internalism', 'externalism', 'foundationalism', 'coherentism'.

Store and retrieve long-term project context, architectural decisions, and learnings.

Provides expert design guidance for creating truthful, clear, beautiful data visualizations. Focuses on **DESIGN DECISIONS ONLY**—chart selection, color strategy, visual encoding, and validation. Assumes data is accurate and prepared. Auto-activates when user mentions: data viz, dashboard, chart type, visualization, infographic

RESTful API design and OpenAPI specification generation. Use when: (1) Designing new REST API endpoints, (2) Creating OpenAPI/Swagger specifications, (3) Choosing HTTP methods, status codes, or URL patterns, (4) Implementing pagination, filtering, or sorting, (5) Planning API versioning strategy, (6) Reviewing API design for best practices, (7) Generating API documentation templates.

Review weekly notes, tasks, and meetings to surface items at risk of being dropped.Use when user requests a weekly review, uses /weekly-review, or asks to review a specific week.Invocation: /weekly-review [date|week-number]Examples: /weekly-review, /weekly-review 2025-03-12, /weekly-review 2025-W12

A custom skill that helps with specific tasks in my project

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.

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.