Skills
101,174 packaged capabilities and playbooks for agents. Install any of them with one command.
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Set up or audit a project for coding agents - the machine checked first with set-up-machine, `AGENTS.md` as the one rules file with `CLAUDE.md` pointing at it, the issue tracker, triage labels, domain docs and release lifecycle, the folder standard's `.gitignore`, and project harness files kept allow-only. Use for a new or existing project, to audit a project's agent setup, or when a skill finds no issue tracker configured.
Investigate a project's CI and deploy new automated QA workflows into it. Explains what the existing workflows do — with a diagram — and wires QA tasks to run on repository events, like generating test cases when a PR opens, QA-analyzing new issues, or scheduling suite cleanups. Use when the user asks what their CI does, wants a CI workflow explained or reviewed, or wants a QA task to run automatically in CI.
Infrastructure skill for setting up Ralph loop scripts for Claude-driven AFK execution. Use when a repo wants a HITL-to-AFK runner around /execute with bounded iterations, GitHub-native durable state, and explicit feedback loops. Not a normal feature-delivery stage; it prepares the repo for safer autonomous execution.
Generate cinematic AI shortfilm prompts (works with Seedance 2.0, Xiaoyunque, Sora, Kling, Jimeng, Veo) using the 5-stage structure from Mx-Shell's Zombie Scavenger. Trigger when the user wants transformation sequences, multi-shot narrative shorts, weapon-charge/combat segments, emotional family/pet/farewell narratives (催泪/亲情/萌宠/离别), or any cinematic video prompt.
Single-file horizontal-swipe HTML deck. Built by copying the seed `assets/template.html` (which carries the proven 5-rule iframe nav script) and pasting slide layouts from `references/layouts.md`. Pitch decks, product overviews, study material — when you don't need the magazine aesthetic of `magazine-web-ppt`.
Design new Claude skills from structured idea specifications. Use when the skill auto-generation pipeline needs to produce a Claude CLI prompt that creates a complete skill directory (SKILL.md, references, scripts, tests) following repository conventions.
Validate multi-skill workflows defined in CLAUDE.md by checking skill existence, inter-skill data contracts (JSON schema compatibility), file naming conventions, and handoff integrity. Use when adding new workflows, modifying skill outputs, or verifying pipeline health before release.
Use this skill to write platform-adapted social posts from a topic using story, observation, contrarian, listicle, past-versus-present, hand-raiser, launch, meme, and carousel templates. Trigger it when drafting new social posts without a long-form source to repurpose.
squirrelscan audits websites for SEO, performance, security, accessibility, content, and structured data issues (260+ rules) and scores site health, via the squirrel CLI. Use when the user wants to check, audit, or improve a website's SEO, ranking, speed, or health, and for anything squirrelscan itself, installing or updating the CLI, login and API keys, running audits, publishing and sharing reports, cloud credits, MCP server setup, configuration, or troubleshooting.
Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, declarative schemas, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector); debugging and troubleshooting errors or unexpected behavior on Supabase projects (HTTP errors, Postgres errors, RLS surprises, permission denied, schema cache issues, timeouts, Edge Function crashes, Realtime drops, Storage failures) and reading or querying logs (Logs Explorer, ClickHouse).
Simplify coding implementations and reviews by reusing existing capabilities and removing unjustified abstractions, dependencies, configuration, and duplication. Use when implementation complexity or over-engineering is in scope. Do not use to weaken required behavior, safety, accessibility, or compatibility
Guides implementation of the Syncfusion WinForms AutoComplete control for text input with auto-suggestion functionality. Use when users want to add autocomplete textboxes, implement auto-suggestion features, create search boxes with suggestions, enable URL/email autocomplete, or build type-ahead search functionality in Windows desktop applications. Covers data binding, customization, filtering, multi-column dropdowns, events, and all AutoComplete-specific features.
Implement stack-based card layout management in Windows Forms applications using Syncfusion CardLayout to organize controls as visible cards, navigate between cards, and configure layout modes for wizard controls and property pages.
Guide for implementing Syncfusion ColorUIControl in Windows Forms applications. Use this when working with color selection UI, color pickers, or color palette controls. Covers color groups (System, Standard, Custom, User), appearance customization, and popup menu integration in .NET Windows Forms applications.
Implement the CommandBar control in Windows Forms to create customizable toolbars, rebars, and status bars with docking, floating, and state persistence capabilities. The CommandBar provides Office-like UI organization with support for hosting multiple controls, user layout customization, and serializable state management.
Guide to implementing Syncfusion WinForms DoubleTextBox control for accepting double-precision floating-point values with customizable formatting and validation. Use this when working with numeric input controls requiring double data type support, decimal formatting, or value range constraints in Windows Forms applications.
Implementing FlowLayout in Windows Forms to automatically arrange child components horizontally or vertically. Use this when working with automatic control layouts, responsive form designs, or dynamic control arrangement. Covers spacing configuration, alignment modes, control constraints, and layout positioning.
Guide for implementing Syncfusion GroupView control in Windows Forms applications. Use when creating list controls with images, Visual Studio toolbox-style interfaces, or navigation item lists. Covers GroupViewItem collections, drag-drop item lists, highlighted selections, toolbox-style interfaces, and GroupBar client controls for OutlookBar-style interfaces.
Guide for implementing Syncfusion HubTile control in Windows Forms applications. Use when creating live tile functionality with animated content tiles similar to Windows 8/Windows Phone, including slide, rotate, or pulse transitions. Covers dashboard tiles, live notifications, animated status displays, Windows 8-style UI with automatic animations, banners, and visual updates.
Guide for implementing Syncfusion Windows Forms Integer TextBox control. Use when creating integer input fields with numeric validation, number formatting, or value constraints in data entry scenarios. Covers integer validation, number formatting, min/max constraints, value formatting, and numeric input fields in WinForms applications.
Implement masked text input controls in WinForms applications. Use this skill whenever the user needs to create input fields with format masks (phone numbers, IP addresses, dates, currency), validate formatted input, restrict data entry to specific patterns, or configure how user input behaves with mask constraints.
Implements Syncfusion MetroForm control for creating modern Metro-styled Windows Forms with customizable caption bars, borders, and colors. Use this when working with MetroForm, custom title bars, flat UI forms, or modernizing Windows Forms appearance. The skill provides guidance for caption bar customization, rounded corners, caption labels and images, and advanced styling features.
Guide for implementing Syncfusion NavigationView control in Windows Forms for breadcrumb navigation and hierarchical path tracking. Use when building file explorers, folder browsers, or file browser-style interfaces with breadcrumb trails. Covers breadcrumb navigation, dropdown navigation, history tracking, and hierarchical bar structures for path-based location tracking with dropdown child selection.
Implement Syncfusion ProgressBarAdv control in Windows Forms for displaying operation progress with customizable text formats. Use when creating progress indicators, loading bars, or percentage displays with Percentage, Value, or Custom text formats. Covers orientation (horizontal/vertical), themes, progress tracking, and progress events for file operations, installations, or download indicators.
Implement and configure Syncfusion RadialSlider control in Windows Forms - a circular slider for visual numeric value selection with rotating needle. Use when creating circular value selection controls, rotary inputs, dial-based controls, or radial numeric input. Covers circular value selection, rotating needle control, dial-based input, visual value picker with divisions, and radial numeric input controls.
Implement Syncfusion WinForms SplashControl to display splash screens during application startup. Use this when building startup screens, loading screens, timed splash displays, or animated splash images in WinForms. Covers SplashControl setup, image configuration, timing, animation, and positioning.
Implement Syncfusion SplitContainerAdv control for creating resizable panel layouts separated by a splitter in Windows Forms applications. Use this when building split-view interfaces, multi-pane layouts, or resizable container controls. Covers panel orientation and sizing, splitter appearance customization, container styling, splitter movement events, horizontal/vertical layouts, panel collapsing, and nested containers.
Implement and configure the Syncfusion TrackBarEx control in Windows Forms applications. Use this skill when you need to create interactive value sliders, customize button and slider appearance, manage value ranges, set orientation, and handle scroll events in WinForms projects.
Use this skill to choose the right idle-synchronization primitive in Compose UI tests — waitForIdle, awaitIdle, waitUntil(conditionDescription, timeoutMillis, condition), waitUntilNodeCount, waitUntilExactlyOneExists, waitUntilAtLeastOneExists, waitUntilDoesNotExist, runOnIdle, runOnUiThread, runWhenIdle, awaitAndRunWhenIdle, hasPendingWork, and IdlingResource. Explains what "idle" means (no pending recomposition or draw, every IdlingResource isIdleNow), the wall-clock vs test-clock timeout split, the Espresso/Robolectric strategy bridge, and why direct state reads from the test thread race the recomposer. If the user mentions "test is flaky", "test passes locally fails on CI", "Thread.sleep waiting for state", "Espresso IdlingResource", "ComposeTimeoutException waitUntil", "AndroidComposeUiTestTimeoutException", waitUntilExactlyOneExists, runOnIdle, runWhenIdle, or "register IdlingResource", use this skill.
Builds and audits design systems for agentic workflows: three-tier design tokens (primitive → semantic → component), W3C DTCG token format, spacing and type scales, color ramps, component anatomy, documentation, governance, and adoption metrics. Use when creating tokens, scaffolding a component library, or auditing an existing system for consistency. Stack on the design-taste core skill.
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions TDD or "red-green-refactor", asks for tests that prove a behavior, wants a bug reproduced as a failing test, or wants integration tests. Not for only running an existing test suite.
Technical Lead that implements code ONE FILE AT A TIME to prevent crashes. Handles code review, best practices, mentorship, implementation planning. **CRITICAL CHUNKING RULE - Large implementations (auth system = auth.ts + tests + middleware) done incrementally.** Activates for tech lead, code review, best practices, refactoring, technical debt, code quality, design patterns, SOLID principles, clean code, code standards, implementation plan, technical guidance, mentorship, code optimization, complexity analysis, technical planning, estimation, implementation strategy, code architecture.
Integrate the Terra API mobile SDK for on-device health sources that have no web API – Apple Health (HealthKit), Samsung Health, and Health Connect. Use when connecting Apple Health, Samsung Health, or Health Connect from a mobile app; when working with TerraiOS, TerraAndroid, terra-react, or terra_flutter_bridge; when minting a mobile SDK auth token via /auth/tokens or generateAuthToken; when configuring HealthKit background delivery, initConnection permission popups, getUserId validation, ProGuard rules for Samsung, or Health Connect manifest permissions; or when writing on-device data with postActivity/postBody/postNutrition.
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
Strategic thinking framework — analyze whether something is worth doing, what the risks are, and what the long-term impact will be. Use when user says 「战略思考」「战略分析」「从战略角度看」「战略视角」「帮我想清楚这件事」「这件事值不值得做」「从更高视角分析」 / think-big, strategic thinking, strategy. Not for execution-level planning (that's tactical).
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.