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Found 3,368 Skills
Implementation guidance for creating individual agents in the Arcanea system with proper structure, capabilities, and integration.
MSVC cl.exe and clang-cl skill for Windows C/C++ projects. Use when configuring Visual Studio builds, MSBuild, or clang-cl as a drop-in MSVC replacement. Covers translating GCC/Clang flags to MSVC equivalents, runtime library selection, Windows SDK setup, and diagnosing MSVC-specific errors. Activates on queries about cl.exe, clang-cl, /O flags, /MT vs /MD, PDB files, Windows ABI, or MSVC project settings.
React 19 performance patterns and composition architecture for Vite + Cloudflare projects. 50+ rules ranked by impact — eliminating waterfalls, bundle optimisation, re-render prevention, composition over boolean props, server/client boundaries, and React 19 APIs. Use when writing, reviewing, or refactoring React components. Triggers: 'react patterns', 'react review', 'react performance', 'optimise components', 'react best practices', 'composition patterns', 'why is it slow', 'reduce re-renders', 'fix waterfall'.
Full safety mode: destructive command warnings + directory-scoped edits. Combines /careful (warns before rm -rf, DROP TABLE, force-push, etc.) with /freeze (blocks edits outside a specified directory). Use for maximum safety when touching prod or debugging live systems. Use when asked to "guard mode", "full safety", "lock it down", or "maximum safety".
Perses-aware code review: check Go backend against Perses patterns, React components against Perses UI conventions, CUE schemas against plugin spec, and dashboard definitions against best practices. Dispatches appropriate sub-reviewers. Use for "review perses", "perses pr", "perses code review". Do NOT use for general Go/React review without Perses context.
Use when users need terminal automation for Obsidian, including note and vault operations, daily notes, tasks, properties, search, plugin or theme management, and sync or history recovery.
UI interaction design patterns for skeleton loading, infinite scroll with accessibility, progressive disclosure, modal/drawer/inline selection, drag-and-drop with keyboard alternatives, tab overflow handling, and toast notification positioning. Use when implementing loading states, content pagination, disclosure patterns, overlay components, reorderable lists, or notification systems.
Implement Syncfusion React Maps component for geographical data visualization. Use this when displaying interactive maps, location-based information, or regional data analysis. This skill covers map providers (Bing, OpenStreetMap), GeoJSON rendering, markers and bubbles, zooming/panning, data labels, legends, and choropleth visualizations in React applications.
Implement Syncfusion WPF Gantt control for project management and task scheduling in Windows Presentation Foundation applications. Use this when building project planning tools, task timeline visualizations, or resource management systems. This skill covers Gantt chart configuration, task dependencies, drag-drop interactions, resource allocation, baseline tracking, and customization options.
Implements the Syncfusion WPF DateTimeEdit (DateTimePicker) control for date and time selection with dropdown calendar/clock support. Use this when adding datetime pickers, masked datetime input, or datetime selection controls in WPF applications. Covers DateTime binding, mask/free-form editing, pattern formatting, CultureInfo localization, dropdown views, date range restrictions, blackout dates, null value handling, watermarks, and theming with SfSkinManager.
Use when you need to write unit tests for Micronaut applications — Mockito-first with @ExtendWith(MockitoExtension.class), @MicronautTest with @MockBean, HttpClient @Client("/") assertions, @Property overrides, @ParameterizedTest, and *Test vs *IT naming. For framework-agnostic Java use @131-java-testing-unit-testing. Part of the skills-for-java project
Create an appropriate git commit from the working tree and session history. Default commit messages are in Japanese unless the repo says otherwise (e.g. AGENTS.md).