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Write robust, maintainable tests for scientific Python packages using pytest best practices following Scientific Python community guidelines

Production-ready SAP BTP best practices for enterprise architecture, account management, security, and operations. Use when planning BTP implementations, setting up account hierarchies, configuring environments, implementing authentication, designing CI/CD pipelines, establishing governance, building Platform Engineering teams, implementing failover strategies, or managing application lifecycle on SAP BTP.Keywords: SAP BTP, account hierarchy, global account, directory, subaccount, Cloud Foundry, Kyma, ABAP, SAP Identity Authentication, CI/CD, governance, Platform Engineering, failover, multi-region, SAP BTP best practices

Guides architectural decisions for LangGraph applications. Use when deciding between LangGraph vs alternatives, choosing state management strategies, designing multi-agent systems, or selecting persistence and streaming approaches.

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 Codex's capabilities with specialized knowledge, workflows, or tool integrations.

Enforce semantic CSS variable theming in Tailwind projects. Prevents raw colors (hex, rgb) and non-theme Tailwind classes. Use when project has semantic tokens, CSS vars, or custom ESLint theming rules.

独自性のある本番品質のフロントエンドインターフェースを作成。汎用的な「AI slop」美学を避け、記憶に残るデザインを実現。タイポグラフィ、カラー、モーション、空間構成に焦点。

Reviews shadcn/ui components for CVA patterns, composition with asChild, accessibility states, and data-slot usage. Use when reviewing React components using shadcn/ui, Radix primitives, or Tailwind styling.

Integrate React with clean architecture without framework leakage using hooks as adapters and presenters. Use when connecting React to domain logic, designing hook-based DI, or isolating UI from business rules.

Input validation and sanitization patterns. Use when validating user input, preventing injection attacks, implementing allowlists, or sanitizing HTML/SQL/command inputs.

Build interactive web applications using HTML/JavaScript interfaces with MATLAB computational backends via the uihtml component. Use when creating HTML-based MATLAB apps, JavaScript MATLAB interfaces, web UIs with MATLAB, interactive MATLAB GUIs, or when user mentions uihtml, HTML, JavaScript, web apps, or web interfaces.

Create and customize inspector panels for node editors. Use when implementing custom inspector tabs, settings panels, node-specific inspectors, or using inspector UI components.

Create comprehensive Claude Code plugins with proper structure, commands, agents, hooks, and marketplace configuration. Use when the user wants to build a new Claude Code plugin or asks how to create/structure a plugin.

Create or update presentation notebooks with embedded HTML and JavaScript in markdown cells using EDS blocks. Convert executable code cells to informative text. Build presentations, slides, demos, showcases with accordion, cards, tabs, hero, grid, table blocks. No runnable JavaScript cells - only visual markdown with inline scripts for presentation mode.

React framework workflow guidelines. Activate when working with React components (.jsx, .tsx), React hooks (useState, useEffect), or React-specific patterns.

Redis semantic caching for LLM applications. Use when implementing vector similarity caching, optimizing LLM costs through cached responses, or building multi-level cache hierarchies.

Reviews React Router code for proper data loading, mutations, error handling, and navigation patterns. Use when reviewing React Router v6.4+ code, loaders, actions, or navigation logic.

This skill should be used when the user asks about "development conventions", "dependency management","testing philosophy", "collaboration protocols", "QUESTION comments", or general SDLC workflow guidance.Provides the standard conventions for professional software development workflows.Trigger phrases: "how to add dependencies", "testing approach", "QUESTION: comments","collaboration protocol", "code review workflow", "black-box testing"

Enforces quality verification gates with four-step validation (tests pass, build succeeds, checklist complete, no blockers) before task completion, PR creation, or status updates. Auto-activates when user says "done", "complete", "finished", "ready to merge", or runs /ccpm:verify or /ccpm:done commands. Provides systematic verification workflow that prevents false completion claims and ensures production readiness. Blocks external system writes (Jira, Slack) until evidence collected. Integrates with external-system-safety for confirmation workflow. When verification fails, suggests /ccpm:verify to debug issues systematically.

Comprehensive quality validation for TypeScript/JavaScript projects - runs TypeScript checks, tests, coverage analysis, build validation, and linting with structured JSON results

Advanced React Flow patterns for complex use cases. Use when implementing sub-flows, custom connection lines, programmatic layouts, drag-and-drop, undo/redo, or complex state synchronization.