Add and manage data layers in ArcGIS maps. Use for FeatureLayer, TileLayer, SceneLayer, GeoJSONLayer, and all other layer types. Covers layer configuration, queries, and management.

Sets up Python development environment using UV for fast dependency management. Configures virtual environment, dependencies, testing (pytest), linting/formatting (ruff), and type checking (mypy). ALWAYS use UV - NEVER use pip directly. Use when starting work on Python projects, after cloning Python repositories, setting up CI/CD for Python, or troubleshooting Python environment issues.

This skill should be used when reviewing, auditing, or improving existing Claude Code skills to ensure they follow Anthropic best practices, have proper structure, use current domain-specific patterns, and include all necessary resources. It analyzes skill quality, identifies gaps, suggests improvements, and can automatically enhance skills with updated best practices. Trigger terms include review skill, audit skill, improve skill, enhance skill, update skill, check skill quality, skill best practices, fix skill, optimize skill, validate skill structure.

Performance optimization guide for Capacitor apps covering bundle size, rendering, memory, native bridge, and profiling. Use this skill when users need to optimize their app performance.

This skill helps you deploy production ML pipelines and model serving with monitoring and A/B testing to ensure reliable, low-latency predictions.

Design thinking methodology for human-centered problem solving. Use when facilitating design thinking workshops, user research sessions, or creative problem-solving activities.

SQL patterns for database querying and design

This skill monitors Sentry for unresolved frontend and backend errors, filtering by project, environment, and time range to help you triage quickly.

This skill helps you answer Vue.js questions clearly by applying best practices, built-ins, and component concepts from official guidance.

This skill reviews code diffs at PR level, highlighting cross-file architectural issues and high-impact egregious problems for faster fixes.

This skill reviews Dockerfiles and docker-compose for optimization, security, and best practices to improve build speed and image safety.

This skill audits a Canvas course against the Four Learning Design Pillars to produce actionable improvement recommendations.

This skill engineers SSR caching strategies that preserve correctness under concurrent updates and streaming, optimizing cache hits and invalidation.

This skill configures ProGuard/R8 for Android release builds with safe defaults, enabling minification and resource shrinking for stable apps.

Creates problem-oriented migration guides following Diátaxis How-To pattern. Maps old APIs to new APIs with before/after examples, documents breaking changes, provides troubleshooting. Zero tolerance for fabricated APIs or unverified performance claims. Use when new system replaces old, breaking API changes occur, major version upgrades needed, service decomposition happens, deprecation notices required, or architectural changes documented.

Accessibility guide for Capacitor apps covering screen readers, semantic HTML, focus management, and WCAG compliance. Use this skill when users need to make their app accessible.

Configure rich popup content with text, fields, media, charts, attachments, and related records. Use for customizing feature popups with dynamic content, expressions, and interactive elements.

This skill helps you design reusable Terraform modules, manage remote state securely, and automate infrastructure with best practices across environments.

SRE principles, observability, and incident management

UE (user experience engineering) skill for defining end-to-end user experience behavior and interaction logic. Use for tasks like flow design, interaction models, state machines, error recovery, input validation, usability heuristics, accessibility, and turning UX intent into testable acceptance criteria for implementation.

This skill applies Lisa templates to a downstream project, validates build and tests, and retries with upstream fixes until all checks pass.