Skills
98,873 packaged capabilities and playbooks for agents. Install any of them with one command.
Development
This skill should be used when implementing or debugging Sentry error tracking, instrumentation, distributed tracing, performance issues, or capture-errors flows. It provides a portable workflow for SDK setup, middleware wiring, expected-error classification, and verification.
Reviews serde serialization code for derive patterns, enum representations, custom implementations, and common serialization bugs. Use when reviewing Rust code that uses serde, serde_json, toml, or any serde-based serialization format. Covers attribute macros, field renaming, and format-specific pitfalls.
Configure GitHub settings for repositories created from this template using gh. Set up Actions secrets, allow PR creation by Actions, restrict who can create PRs and configure auto-merge, and align the default branch ruleset. Use when creating a new repository from the template or re-aligning GitHub settings.
Coordinate work across the public dotfiles source at ~/.local/share/chezmoi and the private dotfiles source at ~/.local/share/chezmoi-private. Use when a request explicitly mentions public and private dotfiles, or when configuration ownership may be split across them, especially for agent guidance, Codex or Claude configuration, shell setup, authentication helpers, profiles, launchers, and shared versus internal settings. Inspect both repositories before deciding where to change files, then update only the authoritative source or sources.
Provides comprehensive guidance for Spring Data JPA including repositories, entity management, query methods, and database operations. Use when the user asks about Spring Data JPA, needs to work with JPA repositories, implement data access layers, or configure JPA in Spring
Implements Syncfusion JavaScript Grid component for feature-rich data tables and grids. Use this when working with data display, sorting, filtering, grouping, aggregates, editing, or exporting. This skill covers grid configuration, CRUD operations, virtual scrolling, hierarchy grids, state persistence, and advanced data management features for data-intensive applications.
Guides implementation of the Syncfusion WinForms AutoLabel control for automatic label positioning with form controls. Use when users want to add labels that automatically reposition when controls move, create form layouts with paired label-control units, implement complex form designs with FlowLayout, or ensure labels stay synchronized with their associated controls. Covers labeling controls, positioning, spacing, size settings, theming, and events.
Implementation guide for Syncfusion Windows Forms Bullet Graph control for compact data visualization. Use this when working with bullet graphs, performance indicators, KPI visualization, comparative measures, or qualitative ranges in WinForms. This skill covers dashboard gauges, target vs actual comparisons, and performance range visualization in Windows Forms desktop applications.
Guides implementation of Syncfusion WinForms SfCalendar control for date selection and calendar viewing. Use this when working with calendar controls, date pickers, or multi-view calendars with Month/Year/Decade/Century views. Covers date selection modes, view navigation, date restrictions, special dates, and appearance customization for Windows Forms.
Guides implementation of the Syncfusion WinForms Carousel control for creating 3D circular conveyors with rotating objects. Use this when creating interactive image galleries, product showcases, or 3D item displays with carousel paths. Covers image slides, rotation control, touch interactions, and visual customization.
Guide for implementing the Syncfusion WinForms Clock control in Windows Forms applications. Use this skill when the user needs to add a clock display, switch between analog and digital modes, customize clock appearance, apply custom renderers, configure frames or shapes for the digital clock, or freeze the clock at a fixed time. Covers ClockType, ClockFrame, ClockShape, ShowCustomTimeClock, ClockRenderer, and DigitalRenderer.
Implement and configure Syncfusion WinForms FontComboBox control - a specialized combo box automatically populated with system fonts. Use this when working with font selection UI, font pickers, or font dropdown controls in Windows Forms applications. The skill covers font selection capability, system font display, and font enumeration in WinForms.
Guide for implementing the Syncfusion WinForms FontListBox control in Windows Forms applications. Use this skill when the user needs to display a list of installed system fonts, configure selection modes for font selection, apply visual styles, enable font auto-complete, customize scrollbars, or handle font selection events. Covers UseAutoComplete, FontListBoxStyle, SelectionMode, and scrollbar behavior.
Guide for implementing Syncfusion GradientPanel control in Windows Forms applications. Use when creating gradient backgrounds, container panels with visual styling, or grouped controls with custom backgrounds. Covers gradient containers, styled panel groups, background customization with pattern/solid/gradient displays, visual containers, and panel-based layouts.
Implementation guide for Syncfusion WinForms Maps control - a geographical data visualization component that displays statistical and regional data using shape files, bubbles, markers, and interactive features. Use this when working with WinForms Maps, geographical maps in Windows Forms, shape file visualization, choropleth maps, or bubble maps. This skill covers map layers, zooming/panning, geographical data binding, ESRI shape files, and building location-based desktop applications with interactive maps.
Implement and configure Syncfusion MultiColumnComboBox control in Windows Forms - an advanced combobox with multiple columns in dropdown and virtual data binding for large datasets. Use when creating dropdown lists with multiple data fields, DataSource binding, DisplayMember/ValueMember configuration, or column headers in dropdown. Covers filtered dropdown lists and replacing standard ComboBox with multi-column alternatives.
Implements Syncfusion MultiColumnTreeView control for Windows Forms applications to display hierarchical data with additional columns. Use this when working with TreeNodeAdv, TreeColumnAdv, multi-column tree structures, or hierarchical data requiring multiple columns per node. The skill covers node collections, checkboxes, option buttons, XML data binding, load on demand features, and tree appearance customization.
Guide for implementing the Syncfusion Windows Forms MultiSelectionComboBox control — a ComboBox with multi-item selection, auto-suggestion, and tag-style visual items. Use this skill when the user mentions MultiSelectionComboBox, WinForms multi-select combo, or Syncfusion.Windows.Forms.Tools.MultiSelectionComboBox, or needs a combo box that allows selecting multiple items in a Windows Forms application. Applies when configuring display modes, binding data sources, styling visual items, handling SelectedItemCollectionChanged, or setting AutoSuggestMode.
Implement Syncfusion NavigationDrawer control in Windows Forms - a sliding panel menu that appears from screen edges. Use when creating drawer navigation, side menus, or hamburger menus with panel transitions. Covers DrawerMenuItem configuration, DrawerHeader setup, slide-out menus, and panel transitions (SlideOnTop, Push, Reveal) for modern sliding panel navigation.
Learn to implement Syncfusion WinForms PercentTextBox control for collecting and displaying percentage values with validation, formatting, and data binding. Covers installation, value management, constraints, formatting options, and event handling for robust percentage input forms.
Guide for implementing Syncfusion PopupControlContainer in Windows Forms applications. Use when creating custom popup panels, attaching popups to parent controls, or configuring auto-close behavior. Covers popup lifecycle, ShowPopup/HidePopup methods, event handling (BeforePopup, Popup, CloseUp), hosting child controls in popups, auto-scroll configuration, transparent popups, and advanced scenarios like ComboBoxBase hosting within popups.
Guide for implementing Syncfusion RadioButtonAdv control in Windows Forms applications. Use when creating enhanced radio buttons with Office themes (2007/2016), Metro style, gradient backgrounds, text shadow effects, custom images per state, or 2D/3D borders for professional styling beyond standard WinForms RadioButton.
Complete guide for implementing Syncfusion RangeSlider control in Windows Forms for dual-thumb value selection. Use when creating range selection interfaces with SliderMin/SliderMax configuration, ChannelColor customization, or RangeColor styling. Covers range bound configuration, slider appearance customization, event handling, and building range selection UI components.
Implement Syncfusion Windows Forms Sparkline controls for compact data visualization. Use this when working with sparklines, trend displays in condensed format, or high-density data visualization. This skill covers line, column, and WinLoss chart types, data point markers, high/low value highlighting, and lightweight graphical representations in Windows Forms applications.
Guide for implementing Syncfusion WinForms SplitButton control - a hybrid button with dropdown menu. Use this when creating controls that combine button and dropdown functionality, toggle modes with menu options, or Office-style split buttons. Covers dynamic caption updates, custom button rendering, and toggle mode configuration.
Guide to implementing the Syncfusion Windows Forms TabbedMDIManager control for creating professional tabbed document interfaces with multiple tab groups, complete customization, event handling, and serialization support. Use this skill when users need to build MDI applications with tabbed windows, tab alignment, tab groups, button controls, appearance customization, themes, and interactive features like tooltips and context menus.
Guide for implementing Syncfusion WizardControl component in Windows Forms applications. Use when creating multi-step forms, installation wizards, setup dialogs, or step-by-step workflow interfaces with navigation buttons. Covers assembly deployment, page management, banner configuration, validation, navigation button handling, events, and appearance customization for professional wizard interfaces.
How to create and configure Syncfusion XPTaskBar controls in Windows Forms applications. Use this skill whenever the user needs to implement expandable task panels, create Windows XP-style task menus, build collapsible navigation panels, configure multi-box task bars, or customize task bar behavior with animations and events. Covers basic setup, box/item management, layout modes, events, customization, and spacing configuration.
Guide to implementing Syncfusion XPTaskPane component for Windows Forms. Use when user needs to create Microsoft Office XP-style task pane layouts, manage multiple task pages, configure navigation headers, reorder pages, or customize appearance. Covers container setup, page management, header controls, scrolling, and styling.
Expert guidance for writing production-grade Tailwind CSS v4 code with design system thinking. Use this skill when users mention Tailwind CSS, CSS styling, design systems, theme configuration, design tokens, OKLCH colors, component styling, or migrating from Tailwind v3 to v4. Also trigger when writing or reviewing any CSS in a Tailwind project, even if "Tailwind" isn't explicitly mentioned. Covers @theme configuration, semantic utilities, and modern CSS patterns.
Build and maintain technology radars for adoption, trial, assessment, and hold decisions, and choose proportionate architecture-governance paths for technology portfolios. Use when governing technology choices, build-versus-buy decisions, architecture standards, exceptions, or engineering portfolio risk. Do not use for enterprise capability or target-state architecture, writing ADRs, implementing systems, security engineering, or operational incident/runbook work.
Best practices for building, training, evaluating, and deploying neural networks with TensorFlow and Keras. Use when writing tf.data input pipelines, defining or training a Keras model, configuring callbacks for checkpointing and early stopping, evaluating a trained model, or exporting a model for serving.
Run an extremely strict maintainability review focused on abstraction quality, oversized files, and growth of spaghetti conditions. Use for a thermo-nuclear code quality review, thermonuclear review, deep code quality audit, or especially harsh maintainability review.
Comprehensive Three.js and React Three Fiber skill for creating 3D scenes, characters, NPCs, procedural generation, animation retargeting, and interactive experiences. Use when user asks to "create Three.js scene", "setup React Three Fiber", "add 3D character", "create NPC AI", "procedural 3D generation", "retarget animation", "setup avatar system", or "create 3D game".
Install or update ToolUniverse in Claude Science — create the conda env, install the tooluniverse pip package, and (re)build the tooluniverse-research skill by fetching the current workflow library from GitHub. Use for first-time setup, upgrading the ToolUniverse version, refreshing the bundled workflows after an upstream release, or reinstalling on a new machine.
Browses, installs, configures, and manages plugins from the uni-app plugin market (ext.dcloud.net.cn) including component plugins, API plugins, and template plugins with dependency handling. Use when the user needs to find and install uni-app plugins, configure plugin settings, manage plugin dependencies, or integrate third-party components.
Unity data-driven design architecture. ScriptableObject config hierarchies, JSON data pipelines, designer handoff workflows, data versioning and migration, Inspector attributes for self-documenting configs. DECISION format: WHEN/DECISION/SCAFFOLD/GOTCHA. Based on Unity 6.3 LTS.
Unity 6 C# scripting guide. Use when writing MonoBehaviour scripts, handling lifecycle events (Awake, Start, Update, FixedUpdate), using coroutines or async/await (Awaitable), working with ScriptableObjects, events, delegates, or core APIs like Vector3, Quaternion, Time, Debug. Based on Unity 6.3 LTS documentation.
Updates README.md and README.zh-CN.md to reflect the project's current state. Use this skill whenever the user asks to "update the README", "sync the docs", "update documentation", "reflect latest changes in README", or wants both the English and Chinese READMEs to match the current project.
Generate an interactive bash wizard that guides a human through steps only they can perform. Suitable for configuring infrastructure, setting up credentials or CI secrets, working with unfamiliar third-party panels, or performing one-off migrations or switches. Do not let the agent perform on its own the steps that a human should complete.
WordPress site and codebase onboarding review. Use when inheriting a WordPress repo, auditing an unfamiliar site or project, scoping technical risk before deeper review, identifying whether a codebase is plugin/theme/headless/WooCommerce/multisite/Bedrock/builder-heavy, or when user asks for "site audit", "onboarding review", "what am I looking at", "inherit this WordPress project", "stack discovery", or "where should I start". Produces a prioritized review path and routes follow-up work to the right WordPress skill.
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.