Skills
99,448 packaged capabilities and playbooks for agents. Install any of them with one command.
Development
Generate and review Apex code for Salesforce with governor limit awareness, bulkification patterns, and CRUD/FLS compliance. Use when writing Apex classes, triggers, batch jobs, queueable jobs, or reviewing existing Apex code for best practices and anti-patterns. Activate on .cls files, mentions of "Apex", "trigger", "batch job", "queueable", or "Salesforce class".
Use when you need to initialize a new Spec Pack in this repository's AI SDLC process (creating a three-digit numbered branch and the `.aisdlc/specs/{num}-{short-name}` directory), or when running `spec-init` and unsure about input parsing, short-name rules, passing UTF-8 BOM file paths, script invocation, or outputs.
Use when you need to complete R1 (raw→solution) requirements clarification on the sdlc-dev spec branch but see pressure signals such as pushing to skip clarification or skip gates, demanding to "ask everything at once", or asking you to jump straight to a next-step routing conclusion.
Use when the user is working with — or migrating away from — the legacy Spree Platform/Storefront API v2 (JSON:API-style under `/api/v2/`). Triggers on "API v2", "JSON:API", "Platform API", "Storefront API", "v2 to v3 migration", "JSON:API attributes/relationships", "X-Spree-Order-Token", "Bearer token API v2". The default stance is **don't build new things on v2** — point users to the v3 equivalents (spree-api-v3 skill). Use this skill only to (a) maintain existing v2 integrations or (b) migrate to v3.
Implement Syncfusion ASP.NET Core Accumulation Charts for proportional data visualization. Use this when creating pie charts, doughnut charts, pyramid charts, or funnel charts in ASP.NET Core applications. This skill covers chart setup, data binding, legends, tooltips, data labels, grouping, and accessibility features. Suitable for visualizing market share, sales distribution, survey results, and other percentage-based data representations.
Implement the Syncfusion ASP.NET Core AI AssistView control for interactive AI-powered assistance interfaces. Use this skill when implementing AI assistants, prompt suggestions, custom views, file attachments, markdown responses, customizable templates, regenerable responses, thinking capabilities (chain-of-thoughts), generative UI blocks, Text-to-Speech conversion, Speech-to-Text voice input, or customizing advanced AI conversation UI in ASP.NET Core applications.
Implement the Syncfusion ASP.NET Core Chat-UI control for interactive, real-time messaging components. Use this skill when implementing chat interfaces, message management, file uploads and attachments, appearance customization with templates, message events, typing indicators, or internationalization and RTL layouts in ASP.NET Core applications.
Implement Syncfusion ASP.NET Core Diagram component (EJ2 Tag Helper `ejs-diagram`) for building interactive diagrams in Razor Pages or MVC applications. Use this skill when working with org charts, flowcharts, BPMN process diagrams, UML diagrams, or swimlane charts. This skill covers node and connector configuration, layout options, shape styling, data binding, drawing tools, export/print functionality, and other diagram features.
Implement the Syncfusion ASP.NET Core Image Editor (EJ2) component. Use this when adding image editing to an ASP.NET Core application, including cropping, rotating, annotations, fine-tuning (brightness, contrast, blur), and filter application. Covers opening/saving images, toolbar customization, redaction, resizing, and image editor event handling with ejs-imageeditor.
Implement Syncfusion ASP.NET Core Inline AI Assist control for real-time text processing and AI-powered features. Use this skill when users need intelligent prompt suggestions, AI-assisted content generation, command popups, response actions, or positioning AI assist popups in ASP.NET Core applications.
Use this skill when users ask how to build Syncfusion PivotView/pivot tables in ASP.NET Core apps. Trigger for server integration, data binding (API/DB/remote), OLAP, aggregation, drill-down, grouping, filtering, conditional formatting, exporting (Excel/PDF/CSV), or pivot charts in ASP.NET Core. Not for MVC/Blazor/JS.
Implement the Syncfusion ASP.NET Core Ribbon control using Razor Tag Helpers. Use this skill when the user mentions Syncfusion ASP.NET Core Ribbon, `<ejs-ribbon>`, `<e-ribbon-tab>`, `<e-ribbon-group>`, Razor Tag Helpers, ribbon implementation, tabs, groups, items, file menu, backstage, layouts, events, or ASP.NET Core ribbon setup. Covers installation, tag helper registration, component structure, items, events, theming, accessibility, and advanced patterns.
Implement Syncfusion ASP.NET Core Scheduler component for scheduling appointments, events, and resource management. Use this when creating calendar scheduling solutions with appointment management, resource scheduling, multiple calendar views (day, week, month, timeline), recurring events, and CRUD operations. This skill covers data binding, timezone support, event templates, and timescale configuration.
Implements Syncfusion ASP.NET Core TreeGrid for hierarchical data with sorting, filtering, editing, exporting, paging, virtual scrolling, and advanced features. Supports configuration, CRUD, aggregates, templates, state persistence, and performance optimization in ASP.NET Core applications.
Use when writing or debugging Vue code that imports @tanstack/ai-vue. Covers useChat, createChatHook, the generation composables (image, audio, speech, video, transcription, summarize), useAudioRecorder, useByok, useWebMCPTools, and the @tanstack/ai-vue/ui and /byok subpaths. Provides current API shapes, reactive-state rules, and version limits for @tanstack/ai-vue 0.24.x.
TanStack Config for shared build tooling, Vite plugins, and package configuration across TanStack projects. Use when configuring TanStack library builds or contributing to TanStack packages. Use for tanstack-config, tanstack-cli, vite-plugin, package-config, library-build.
Build view-aligned and screen-space surface effects in Three.js. Use for touch-history frost and thaw, ping-pong accumulation, reduced-resolution blur, crystalline masks, two-scale refraction, and procedural rain droplets that refract and blur a background through wet glass.
Thinks through new or large projects: turns a vague idea into a design doc with a clear product problem and the technical solution. Use when exploring a new project, planning or designing a big project or system, or asked for a "design doc". Do NOT use for clear features or projects (use tlc-spec-lean or tlc-spec-driven).
Design and validate model-facing tool definitions with clear names, action-oriented descriptions, bounded JSON Schema parameters, explicit side effects, safe defaults, idempotency, errors, and realistic tests. Use when creating function-calling tools, MCP tools, agent actions, structured tool inputs, or when a model selects the wrong tool, invents arguments, or causes unsafe side effects.
Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for building type-safe applications. Use when implementing complex type logic, creating reusable type utilities, or ensuring compile-time type safety in TypeScript projects.
Expert TypeScript developer specializing in advanced type system features, generic programming, and type-safe application architecture. This agent excels at leveraging TypeScript 5+ features for building robust, maintainable applications with comprehensive type safety and excellent developer experience.
Run a high-parallelism work burst for independent implementation or cleanup lanes. Use when the user explicitly invokes `$ultrawork`, `$ulw`, `ultrawork`, or asks to parallelize separable work quickly. Choose `team` when workers need shared task state, and choose `ultraqa` when the work is primarily QA/review.
Comprehensive guide for using `looker-cli`. Covers profile setup and defaults, using the --profile flag, persistent logins (`session login`), command discovery (`meta tree` & `meta search`), and request body inspection (`--describe-body` & `--template`).
Help with ABAP Unit testing including test class setup, assertions, test doubles, mocking frameworks, dependency injection, CDS test environments, SQL test environments, RAP BO test doubles, and test fixtures. Use when users ask about ABAP unit tests, test classes, test methods, CL_ABAP_UNIT_ASSERT, test doubles, mocking, CDS test environment, SQL test environment, RAP testing, ABAP test injection, test seams, behavior-driven testing, TDD in ABAP, test isolation, or writing automated tests for ABAP code. Triggers include "write a unit test", "create test class", "mock a dependency", "test a CDS view", "test a RAP BO", "test double", "assertion", "test fixture", "test isolation", or "ABAP unit".
Address all valid review comments on a PR for the current branch in the streamlit/streamlit repo. Covers both inline review comments and general PR (issue) comments. Use when a PR has reviewer feedback to address, including code changes, style fixes, and documentation updates.
Aries Tools shared TypeScript/JavaScript libraries published from the sdk-js monorepo. Covers the @ariestools/sdk umbrella (assert, delay, fetch, hex, promise, storage, zod helpers, and other modules), specialist packages (express, storage-adapters, threads, testing, telemetry, crypto-auth, eth-address, pixel, json-rpc-engine, sdk-meta), root-barrel import conventions, runtime peers (zod, OpenTelemetry), the Node 26 baseline, and migration from retired @xylabs/* names. Use when importing, installing, or choosing @ariestools/* packages published from sdk-js, wiring HTTP clients, storage adapters, workers, Express APIs, or Vitest matchers, or replacing @xylabs/* utilities.
Self-hosted TypeScript auth framework with social auth, 2FA, passkeys, organizations, RBAC, and 15+ plugins. Supports Drizzle/Prisma/Kysely adapters. Self-hosted alternative to Clerk/Auth.js. Use when: configuring auth, adding plugins, social OAuth, multi-tenant SaaS, organizations with teams and RBAC, two-factor authentication (TOTP/OTP/backup codes), email verification, password reset flows, session management, rate limiting, CSRF and cookie security, Expo/mobile, D1 adapter errors, TanStack Start integration, additionalFields bugs, admin plugin, migrating from NextAuth, migrating from Clerk, migrating from Supabase Auth, or troubleshooting auth issues.
Generates structured changelogs and release notes from git history and PRs, classifying breaking changes, features, fixes, performance, docs. Triggers on: "generate changelog", "write release notes", "what changed since", "prepare release", "release notes for", "diff since tag".
Create release notes and product updates that developers actually read and care about. This skill covers changelog formatting, versioning communication, breaking change announcements, deprecation notices, and building anticipation for new features. Trigger phrases: "changelog", "release notes", "product updates", "version communication", "breaking changes", "deprecation notice", "what's new", "release communication", "developer updates", "API versioning", "migration announcement"
API reference for CoinMarketCap exchange endpoints including exchange info, volume, market pairs, and assets. Use this skill whenever the user mentions exchange API, asks about exchange volumes, wants trading pair data, needs proof-of-reserves info, or is building exchange integrations. This is the authoritative reference for CMC exchange API questions. Trigger: "exchange API", "CMC exchange data", "trading pairs API", "exchange volume API", "/cmc-api-exchange"
Builds and debugs Letta Code channels, including first-party channel adapters and dynamic user channel plugins under ~/.letta/channels. Use when adding Telegram, WhatsApp, Bluesky, Slack, Discord, or custom channel support; testing channel routing, pairing, MessageChannel, runtime dependencies, or channel plugin manifests.
Look up CE.SDK Node.js reference docs, guides, and configuration pages. Use when the user needs CE.SDK docs for Node.js — configuration, headless rendering, export options, batch processing, or getting-started instructions. Also triggered by "IMG.LY", "CreativeEditor", "CE.SDK", or "cesdk" when the user needs an existing Node.js doc page. Not for writing code (use build) or concept explanations (use explain). <example> Context: User asks about Node.js configuration user: "How do I configure the engine in Node.js?" assistant: "I'll use /imgly-sdk:docs-node to look up configuration options." </example> <example> Context: User needs server-side generation user: "How do I use CE.SDK for server-side image generation?" assistant: "Let me use /imgly-sdk:docs-node to find the relevant documentation." </example>
CSS-native animation techniques including Scroll-Driven Animations API, View Transitions, @property rule, visual effects, and micro-interaction patterns. Use when asked about: CSS animations, scroll-driven animations, CSS scroll timeline, view transitions, page transitions, @property, animating CSS variables, clip-path animations, backdrop-filter, mix-blend-mode, CSS masks, CSS-only animations, no-JavaScript animations, micro-interactions, hover effects, accordion animations, or when GSAP is not needed/wanted. Includes decision guide for CSS vs GSAP. IMPORTANT: Always load elite-accessibility alongside this skill for reduced-motion patterns.
Develops resources for FiveM using the ESX Framework (Legacy). Covers resource creation, Core Object (ESX), xPlayer functions, Events, Callbacks, Items, Jobs, Database (oxmysql), and best practices. Use when the user works with FiveM, ESX, ESX Legacy, or mentions `ESX.GetCoreObject`, `xPlayer`, `ESX.GetPlayerFromId`, or `esx:`.
Build or repair adaptive Flutter layouts across devices, constraints, breakpoints, overlap, clipping, orientation, and input modes. Use with flutter-accessibility when text scaling causes reflow, clipping, or disappearing controls; not for general widget state architecture.
Use when building, editing, or reviewing Vue 3 UI with Flux (by Bas Milius): @flux-ui/components (docs at flux-ui.dev) and its siblings @flux-ui/application (app shell / dashboards) and @flux-ui/statistics (KPIs/charts). Trigger on Flux-prefixed components (FluxPrimaryButton, FluxFormField, FluxPane), on FluxRoot / showConfirm / showSnackbar / showPrompt / showAlert, on its composables (useBreakpoints, useFluxStore, use*Injection), or any import from @flux-ui/*. This is the Vue 3 Flux (basmilius), NOT the Livewire/Blade Flux from fluxui.dev and NOT the Flux web-components library; never mix their syntaxes.
Use when building portal pages, Web Forms, website routes, or configuring themes and SEO in Frappe. Prevents 404 errors from wrong route resolution, broken Web Form submissions, and missing meta tags for SEO. Covers Web Page, Web Form, Portal Settings, Website Settings, website routes, Jinja templates, Blog, Web Template, has_web_view, meta tags, sitemap. Keywords: website, portal, Web Form, Web Page, route, theme, SEO, meta tags, has_web_view, Blog, Web Template, sitemap, customer portal, self-service, public form, web page, website not showing, 404 on portal.
Use when creating print formats or generating PDFs in Frappe v14-v16. Covers Jinja print formats, Print Designer [v15+], Letter Head, PDF generation API (get_pdf, download_pdf), Report print formats ({%= %} syntax), page breaks, and print CSS patterns. Prevents common mistakes with template engine confusion and PDF rendering. Keywords: print format, PDF, get_pdf, Jinja, Letter Head, print designer, PDF not generating, print format broken, custom PDF, letter head, wkhtmltopdf error, wkhtmltopdf, WeasyPrint, page-break, download_pdf.
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.