IDE & Editors

This skill enables Claude to create and execute load tests for performance validation. It is designed to generate load test scripts using tools like k6, JMeter, and Artillery, based on specified test scenarios. Use this skill when the user requests to create a "load test", conduct "performance testing", validate "application performance", or needs a "stress test" to identify breaking points in the application. The skill helps define performance thresholds and provides execution instructions.

Guide OAK strategic implementation planning with structured phases, constitution alignment, and the oak.plan-* command workflow. Use when creating plans, understanding OAK planning conventions, or structuring development work.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

This skill implements backup strategies for databases and applications. It generates configuration files and setup code to ensure data protection and disaster recovery. Use this skill when the user requests to "implement backup strategy", "configure backups", "setup data recovery", or needs help with "backup automation". The skill provides production-ready configurations, best practices, and multi-platform support for database and application backups. It focuses on security and scalability.

Comprehensive guide for implementing Fullstory's User Properties API (setProperties with type 'user') for web applications. Teaches proper property naming, type handling, incremental updates, and special fields (displayName, email). Includes detailed good/bad examples for CRM integration, progressive profiling, and subscription tracking to help developers enrich user profiles for analytics and segmentation.

PROACTIVE YAML INTELLIGENCE: Automatically activates when working with YAML files, configuration management,CI/CD pipelines, Kubernetes manifests, Docker Compose, or any YAML-based workflows. Provides intelligentvalidation, schema inference, linting, format conversion (JSON/TOML/XML), and structural transformationswith deep understanding of YAML specifications and common anti-patterns.

Clean Architecture for React Native (Expo) with TypeScript and Bun. Use this skill when creating features, refactoring code, or reviewing code in React Native projects. Enforces strict separation between Core (domain), Infrastructure (adapters), and UI layers. Implements ports/adapters pattern, Result pattern for errors, and atomic design for components.

Use when addressing PR review comments - REQUIRES TodoWrite first (Iron Law), then follows structured 7-step workflow to assess comment validity with feature-research, distinguish bugs from style preferences, and fix valid issues or refute invalid ones with evidence

Debug and fix complex scripts by isolating side effects, extracting core logic into a controlled environment, validating behavior there, then reintegrating with minimal changes. Use this when scripts lack unit tests and are hard to reason about due to IO, environment, or orchestration complexity.

Development workflows for Rails applications. Use when implementing features, fixing bugs, or making code changes. Currently provides the TDD Red-Green implementation workflow.

This skill empowers Claude to perform regression analysis and modeling using the regression-analysis-tool plugin. It analyzes datasets, generates appropriate regression models (linear, polynomial, etc.), validates the models, and provides performance metrics. Use this skill when the user explicitly requests regression analysis, prediction based on data, or mentions terms like "linear regression," "polynomial regression," "regression model," or "predictive modeling." This skill is also helpful when the user needs to understand the relationship between variables in a dataset.

Persistent state management using AgentDB (DuckDB) for workflow analytics and checkpoints.Provides read-only analytics cache synchronized from TODO_*.md files, enabling:- Complex dependency graph queries- Historical workflow metrics- Context checkpoint storage/recovery- State transition analysisUse when: Data gathering and analysis for workflow state trackingTriggers: "analyze workflow", "query state", "checkpoint", "workflow metrics"

Installs and configures Prettier, ESLint, EditorConfig, and other code quality tools to enforce consistent code style across the team. Generates config files, npm scripts, editor settings recommendations, and CI integration suggestions. Use when users request "setup prettier", "add eslint", "configure code formatting", or "enforce code style".

Guide for creating effective Claude Skills for the AgentStack Sovereign Platform. Use this skill when creating new skills, updating existing skills, or learning skill design patterns. Triggers on requests like "create a new skill", "build a skill for X", "skill design", "skill template", or "extend Claude's capabilities".

The differential-region-analysis pipeline identifies genomic regions exhibiting significant differences in signal intensity between experimental conditions using a count-based framework and DESeq2. It supports detection of both differentially accessible regions (DARs) from open-chromatin assays (e.g., ATAC-seq, DNase-seq) and differential transcription factor (TF) binding regions from TF-centric assays (e.g., ChIP-seq, CUT&RUN, CUT&Tag). The pipeline can start from aligned BAM files or a precomputed count matrix and is suitable whenever genomic signal can be summarized as read counts per region.

This skill should be used when moving a single email message to the Archive folder in Microsoft 365 Mail. It provides a clean interface to move one specific email using its messageId without polluting the context window. Use this skill when processing bulk archive operations, moving spam emails, or any workflow requiring reliable one-email-at-a-time moves to Archive.

Internationalization specialist for Phoenix/Elixir applications. Use when you need to extract hardcoded strings and replace them with gettext calls, manage translation files (POT/PO), or provide translations for French and Italian. Handles templates (.heex), controllers, LiveViews, error messages, and UI text.

Framework-agnostic guide for implementing stable, semantic selectors in any web application. Solves the dynamic class name problem caused by CSS-in-JS, CSS Modules, and build tools. Includes patterns for React, Angular, Vue, Svelte, Next.js, Astro, and more. Future-proofed for Computer User Agents (CUA) and AI-powered automation tools. Provides TypeScript patterns, naming taxonomies, and enterprise-scale conventions.

Provides Flutter and Dart development workflows using dart-mcp tools. Triggers when working with .dart files, pubspec.yaml, or when user mentions Flutter, widget, Riverpod, Freezed, or Dart development. MUST BE USED for Flutter project work involving dart_analyzer, dart_run_tests, hot_reload, or IDE MCP tools.

This skill enables Claude to execute visual regression tests using tools like Percy, Chromatic, and BackstopJS. It captures screenshots, compares them against baselines, and analyzes visual differences to identify unintended UI changes. Use this skill when the user requests visual testing, UI change verification, or regression testing for a web application or component. Trigger phrases include "visual test," "UI regression," "check visual changes," or "/visual-test".