Browse Skills — Page 283

sveltekit-v2

diegosouzapw/awesome-omni-skills

SvelteKit Full-Stack Development workflow skill. Use this skill when the user needs Build full-stack web applications with SvelteKit \u2014 file-based routing, SSR, SSG, API routes, and form actions in one framework and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.

svg-animations

EpicenterHQ/epicenter

SVG animations: SMIL, CSS, path drawing, shape morphing, motion paths, gradients, masks, filters. Use for SVG graphics, icons, animated logos, spinners.

svg-article-illustrator

cat-xierluo/legal-skills

AI驱动的SVG文章配图生成工具，支持动态SVG、静态SVG和PNG导出三种输出模式。当用户需要为文章生成配图、创建SVG插图、将SVG转换为PNG，或提到"为文章配图"、"生成插图"时使用此技能。

svg-infographic

kyungseo/skillstead

Author technical/structured SVG infographics and diagrams, then render them to crisp PNG with a headless browser. Best for architecture diagrams, topology maps, flows, before/after comparisons, nested/onion layer models, roadmaps, decision matrices, and social-ready technical one-pagers. Prefers clean line icons in soft tinted circles. First-class Korean/CJK text. Includes an opt-in "tidy hand-drawn" sketch preset (paper background, Korean handwriting font, rough strokes, highlighter). Not for photo-heavy or illustration-heavy graphics, statistical charts, or mascot/character illustration.

svg-portrait-mode

oaustegard/claude-skills

"Portrait Mode" for SVGs — foveated vectorization with 4-zone selective detail. Combines Claude vision annotations, MediaPipe segmentation/landmarks, and optional saliency. Like phone portrait mode, but vectorized.

svg-precision-skill

dkyazzentwatwa/chatgpt-skills

Generate deterministic SVGs from structured specs with validation and rendering. Use for icons, diagrams, charts, UI mockups, and technical drawings.

svgo

TerminalSkills/skills

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svix

TerminalSkills/skills

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svix-automation

ComposioHQ/awesome-claude-skills

"Automate Svix tasks via Rube MCP (Composio). Always search tools first for current schemas."

svm

sendaifun/skills

Explore Solana's architecture and protocol internals. Covers the SVM execution engine, account model, consensus, transactions, validator economics, data layer, development tooling, and token extensions using the Helius blog, SIMDs, and Agave/Firedancer source code.

swap-curve-strategy

anthropics/financial-services

Analyze the interest rate swap curve by pricing swaps at multiple tenors, overlaying government and inflation curves, and identifying curve trade opportunities. Use when analyzing swap curves, computing swap spreads, decomposing real rates, identifying steepener/flattener/butterfly trades, or comparing swap rates across currencies.

swarm

langchain-ai/langchain-skills

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swarm-intelligence

TerminalSkills/skills

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swarmlab

huggingface/swarmlab

Run a swarmlab multi-agent experiment end to end with the swarmlab CLI. Use when asked to design, smoke, launch (locally or on HF Jobs), analyse, report on, or publish a swarmlab experiment, or to resume or fork a swarmlab run.

swc

TerminalSkills/skills

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swedish-mentor

alirezarezvani/claude-skills

Use when someone learning Swedish wants a learning path or YouTube clips and podcasts matched to their CEFR level and skill (SFI, Lätt Svenska, Radio Sweden på lätt svenska).

sweep

simota/agent-skills

Detecting unnecessary files, unused code, and orphaned files, and proposing safe deletion. For repo cleanup, dead code removal, or tidying. Don't use for removal execution (Builder), deletion review (Judge), repo structure (Grove), or scope cutting (Void).

sweep-stale-seeds

lyndonkl/claude

Identifies substacker seeds older than 30 days with status=seed and no incoming related_seeds links, flags them for writer review, and recommends keep / promote-to-draft / kill based on density score. Does NOT auto-execute any action. Emits a review list to ops/librarian/YYYY-MM-DD-stale-sweep.md. Run at session start after ingest, once per day max. Trigger keywords: stale, sweep, review, old seeds, cleanup, gardener, corpus hygiene.

sweeper-implement

microsoft/vscode

Implement a VS Code Sweeper agent-ready issue — fetch the sweeper's review record from its state repo, implement the change in the current vscode checkout from the review's brief (an implement-ready record) or from an approved sweeper-plan file, validate the diff against it, and — after the maintainer has reviewed the changes in their editor — open a draft PR. Use ONLY when the request explicitly asks for the sweeper — "sweeper-implement", "sweeper", "vscodesweeper", a sweeper record, an agent-ready issue, or a sweeper brief — or asks to implement a sweeper plan ("implement plan <n>", a `.sweeper/plans/issue-<n>.md` file). Do NOT use for a plain "fix this issue" request that doesn't mention the sweeper; fix those directly with your normal tools instead.

sweeper-plan

microsoft/vscode

Plan a VS Code Sweeper agent-ready issue with the maintainer — fetch the sweeper's review record from its state repo, put the review's open decisions to the maintainer, and write a plan file (.sweeper/plans/issue-<n>.md) for them to edit in their editor; it writes no code and ends there — the sweeper-implement skill implements the approved plan. Use ONLY when the request explicitly asks for the sweeper plan — "sweeper-plan", "plan … with the sweeper", a sweeper record or agent-ready issue to plan first. Do NOT use for a plain planning request that doesn't mention the sweeper.

swift

margelo/react-native-skills

Design, implement, and review Swift APIs and Apple-platform code. Use when working on .swift files, Swift types, Foundation or AVFoundation APIs, DispatchQueue, async/await, Task, actors, MainActor, thread-affine state, or Swift-backed React Native Nitro Module implementations.

Swift Optionals Patterns

TheBushidoCollective/han

Use when swift's optional handling patterns including optional binding, chaining, nil coalescing, and modern approaches to safely working with optional values while avoiding common pitfalls and force unwrapping.

Swift Protocol-Oriented Programming

TheBushidoCollective/han

Use when protocol-oriented programming in Swift including protocol extensions, default implementations, protocol composition, associated types, and designing flexible, reusable abstractions that favor composition over inheritance.

swift-actor-persistence

affaan-m/ECC

Thread-safe data persistence in Swift using actors — in-memory cache with file-backed storage, eliminating data races by design.

swift-api-design-guidelines

supabase/supabase-swift

>

swift-api-design-guidelines

dpearson2699/swift-ios-skills

Apply Swift API Design Guidelines to name, label, and document Swift APIs. Covers argument label rules (prepositional phrase rule, grammatical phrase rule, first-label omission), mutating/nonmutating pair naming (-ed/-ing participle pattern, form- prefix, sort/sorted, formUnion/union), side-effect naming (noun for pure, verb for mutating), documentation comment structure (summary by declaration kind, O(1) complexity rule), clarity at call site, role-based naming, protocol naming (-able/-ible/-ing), default arguments over method families, casing conventions, and terminology. Use when designing new Swift APIs, reviewing naming and argument labels, writing documentation comments, or refactoring for call site clarity.

swift-architecture

dpearson2699/swift-ios-skills

Selects, reviews, and migrates Apple-platform app architectures across MV with Observation, MVVM, MVI, TCA, Clean Architecture, Coordinator, and legacy VIPER. Use when choosing module and dependency boundaries, escalating a feature beyond simple SwiftUI MV, planning incremental architecture migration, or auditing state ownership and test seams.

swift-architecture-skill

efremidze/swift-architecture-skill

Swift iOS architecture guidance and playbooks for MVVM, MVI, TCA, Clean Architecture, VIPER, MVP, Coordinator, and Reactive patterns. Use when designing, implementing, refactoring, or reviewing the architecture of a SwiftUI or UIKit feature, module, or codebase.

swift-best-practices

HoangNguyen0403/agent-skills-standard

Apply Guard, Value Types, Immutability, and Naming conventions in Swift. Use when writing idiomatic Swift using guard, value types, immutability, or naming conventions.

swift-charts

dpearson2699/swift-ios-skills

Implement, review, or improve data visualizations using Swift Charts. Use when building bar, line, area, point, pie, donut, or iOS 26 3D charts; when adding chart selection, scrolling, annotations, axes, scales, legends, or foregroundStyle grouping; when plotting functions with BarPlot, LinePlot, AreaPlot, PointPlot, Chart3D, or SurfacePlot; or when creating heat maps, Gantt charts, grouped bars, sparklines, threshold lines, or spatial visualizations.

swift-codable

dpearson2699/swift-ios-skills

Implement Swift Codable models for JSON and property-list encoding and decoding with JSONDecoder, JSONEncoder, CodingKeys, and custom init(from:) or encode(to:). Use when parsing API responses, remapping keys, flattening nested JSON, handling date or data decoding strategies, decoding heterogeneous arrays, or integrating Codable with URLSession, SwiftData, or UserDefaults.

swift-code-review

existential-birds/beagle

Reviews Swift code for concurrency safety, error handling, memory management, and common mistakes. Use when reviewing .swift files for async/await patterns, actor isolation, Sendable conformance, or general Swift best practices.

swift-concurrency

AvdLee/Swift-Concurrency-Agent-Skill

Diagnose Swift Concurrency issues, refactor callback-based code to async/await, and guide Swift 6 migration when working with tasks, actors, @MainActor, Sendable, data races, thread safety, or concurrency-related compiler and linter warnings.

swift-concurrency-6-2

affaan-m/ECC

Swift 6.2 Approachable Concurrency — single-threaded by default, @concurrent for explicit background offloading, isolated conformances for main actor types.

swift-concurrency-expert

TerminalSkills/skills

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swift-concurrency-expert-v2

diegosouzapw/awesome-omni-skills

Swift Concurrency Expert workflow skill. Use this skill when the user needs Review and fix Swift concurrency issues such as actor isolation and Sendable violations and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.

swift-csp

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance

>

swift-docc

supabase/supabase-swift

>

swift-error-handling

HoangNguyen0403/agent-skills-standard

Standards for throwing functions, Result type, and Never. Use when implementing Swift error throwing, designing error hierarchies, using Result types, or adding do-catch blocks.

swift-expert

Jeffallan/claude-skills

Builds iOS/macOS/watchOS/tvOS applications, implements SwiftUI views and state management, designs protocol-oriented architectures, handles async/await concurrency, implements actors for thread safety, and debugs Swift-specific issues. Use when building iOS/macOS applications with Swift 5.9+, SwiftUI, or async/await concurrency. Invoke for protocol-oriented programming, SwiftUI state management, actors, server-side Swift, UIKit integration, Combine, or Vapor.

swift-formatstyle

dpearson2699/swift-ios-skills

Formats and parses locale-aware numbers, decimals, currencies, percentages, dates, durations, measurements, names, lists, byte counts, and URLs with Foundation FormatStyle and ParseableFormatStyle. Use when replacing legacy Formatter subclasses, designing reusable format APIs, using SwiftUI Text(_:format:), correcting availability, or testing user-facing formatted output across locales.

swift-language

dpearson2699/swift-ios-skills

Apply modern Swift language patterns and idioms for non-concurrency, non-SwiftUI code. Covers if/switch expressions (Swift 5.9+), typed throws (Swift 6+), result builders, property wrappers, opaque and existential types (some vs any), guard patterns, Never type, Regex builders (Swift 5.7+), basic Codable shaping (CodingKeys, custom decoding, nested containers), modern collection APIs (count(where:), contains(where:), replacing()), basic FormatStyle usage, and string interpolation patterns. Use when writing core Swift code involving generics, protocols, enums, closures, or modern language features; route deep Codable to swift-codable, detailed formatting/localization to swift-formatstyle, and API naming to swift-api-design-guidelines.

swift-mcp-server-generator

github/awesome-copilot

'Generate a complete Model Context Protocol server project in Swift using the official MCP Swift SDK package.'

swift-memory-management

HoangNguyen0403/agent-skills-standard

Prevent retain cycles via ARC, weak/unowned references, and Capture Lists in Swift. Use when managing Swift ARC, avoiding retain cycles, or configuring capture lists in closures.

swift-patterns

softspark/ai-toolkit

Swift/iOS: SwiftUI, Combine, async/await, actors, SPM, Core Data, UIKit interop. Triggers: Swift, SwiftUI, Combine, iOS, Xcode, actor, Core Data, @MainActor, @State.

swift-protocol-di-testing

affaan-m/ECC

Protocol-based dependency injection for testable Swift code — mock file system, network, and external APIs using focused protocols and Swift Testing.

swift-rules

softspark/ai-toolkit

Swift coding rules: style, patterns, security, testing. Triggers: .swift, Package.swift, .xcodeproj, SwiftUI, Combine, async/await, XCTest.

swift-security

dpearson2699/swift-ios-skills

Use when working with iOS/macOS Keychain Services (SecItem queries, kSecClass, OSStatus errors), biometric authentication (LAContext, Face ID, Touch ID), CryptoKit (AES-GCM, ChaChaPoly, ECDSA, ECDH, HPKE, ML-KEM), Secure Enclave, secure credential storage (OAuth tokens, API keys), certificate pinning (SecTrust, SPKI), keychain sharing across apps/extensions, migrating secrets from UserDefaults or plists, or OWASP MASVS/MASTG mobile compliance on Apple platforms.

swift-swiftui

HoangNguyen0403/agent-skills-standard

Configure SwiftUI state, view lifecycle, and Property Wrappers correctly. Use when managing SwiftUI state, view lifecycle, or property wrappers like @State and @Binding.

swift-testing

dpearson2699/swift-ios-skills

Writes and migrates Swift Testing framework tests with @Test, @Suite, #expect, #require, confirmation, traits, withKnownIssue, Attachment.record, processExitsWith exit tests and capture lists, Test.cancel, Issue.record warnings/manual failures, XCTest-to-Swift Testing migration, Xcode 27 interoperability modes, XCUITest UI-test boundaries, performance/snapshot boundaries, mocking, async patterns, and test organization. Use when writing tests, converting XCTest assertions such as XCTUnwrap or XCTFail, reviewing advanced Swift Testing API availability, or deciding when to keep XCTest/XCUITest.

swift-testing-code-review

existential-birds/beagle

Reviews Swift Testing code for proper use of #expect/#require, parameterized tests, async testing, and organization. Use when reviewing .swift files with import Testing, @Test, #expect, @Suite, or confirmation patterns.

swift-tooling

HoangNguyen0403/agent-skills-standard

Configure SPM packages, SwiftLint, and build settings for Swift projects. Use when managing Swift packages with SPM, configuring build settings, or enforcing Swift code quality.

swiftdata

dpearson2699/swift-ios-skills

Implement, review, or improve data persistence using SwiftData. Use when defining @Model classes with @Attribute, @Relationship, @Transient, #Unique, or #Index; when querying with @Query, #Predicate, FetchDescriptor, or SortDescriptor; when configuring ModelContainer and ModelContext for SwiftUI or background work with @ModelActor; when planning schema migrations with VersionedSchema and SchemaMigrationPlan; when setting up CloudKit sync with ModelConfiguration; or when coexisting with or migrating from Core Data.

swiftdata-code-review

existential-birds/beagle

Reviews SwiftData code for model design, queries, concurrency, and migrations. Use when reviewing .swift files with import SwiftData, @Model, @Query, @ModelActor, or VersionedSchema.

swiftlint

dpearson2699/swift-ios-skills

Configures and enforces SwiftLint in Swift projects using build tool plugins, run scripts, and CI. Covers .swiftlint.yml configuration, disabled_rules, opt_in_rules, only_rules, analyzer_rules, baselines, autocorrect, swiftlint:disable suppressions, reporter formats (sarif, json, checkstyle), strict and lenient modes, SwiftLintBuildToolPlugin via SimplyDanny/SwiftLintPlugins, swift package plugin swiftlint, Xcode run script phases, CI integration, multiple configuration files, and rollout strategies for existing codebases. Use when setting up SwiftLint, configuring lint rules, suppressing warnings, creating baselines, choosing between build tool plugin and run script, or integrating SwiftLint into CI.

swiftpm-macos

openai/plugins

Build, run, and test SwiftPM macOS packages and executables. Use when the repo is package-first or has no Xcode project.

swiftui-animation

dpearson2699/swift-ios-skills

Implement, diagnose, or review SwiftUI motion using explicit and scoped implicit animations, springs, transitions, PhaseAnimator, KeyframeAnimator, matched geometry or navigation zoom, SF Symbol effects, and custom Animation types. Use when views should animate on state changes, insertion, removal, navigation, or multi-step choreography, or when motion must respect Reduce Motion and Swift concurrency.

swiftui-animation-match

RayFernando1337/rayfernando-skills

Match UI/UX interaction needs to proven SwiftUI animation patterns from curated open-source catalogs. Use when planning or building iOS/macOS screens where an interaction should feel alive - loaders, likes, toggles, card decks, reveals, shaders - or when asked which animation fits a moment. Recommends system-first restraint before custom motion.

swiftui-code-review

existential-birds/beagle

Reviews SwiftUI code for view composition, state management, performance, and accessibility. Use when reviewing .swift files containing SwiftUI views, property wrappers (@State, @Binding, @Observable), or UI code.

swiftui-expert-skill

expo/agent-templates

Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, macOS-specific APIs, and iOS 26+ Liquid Glass adoption. Use when building new SwiftUI features, refactoring existing views, reviewing code quality, or adopting modern SwiftUI patterns.

swiftui-expert-skill

benjaminasterA/antigravity-awesome-skills

Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, modern APIs, Swift concurrency, and iOS 26+ Liquid Glass adoption. Use when buil...

swiftui-expert-skill-v2

diegosouzapw/awesome-omni-skills

SwiftUI Expert Skill workflow skill. Use this skill when the user needs Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, and iOS 26+ Liquid Glass adoption. Use when building new SwiftUI features, refactoring existing views, reviewing code quality, or adopting modern SwiftUI patterns and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.

swiftui-gestures

dpearson2699/swift-ios-skills

Implement, review, or improve SwiftUI gesture handling. Use when adding tap, long press, drag, magnify, or rotate gestures, composing gestures with simultaneously/sequenced/exclusively, managing transient state with @GestureState, resolving parent/child gesture conflicts with highPriorityGesture or simultaneousGesture, building custom Gesture protocol conformances, or migrating from deprecated MagnificationGesture to MagnifyGesture or using the newer RotateGesture.

swiftui-layout-components

dpearson2699/swift-ios-skills

Build SwiftUI layouts using stacks, grids, lists, scroll views, forms, and controls. Covers VStack/HStack/ZStack, LazyVGrid/LazyHGrid, List with sections and swipe actions, ScrollView with ScrollPosition and scroll-driven reveal surfaces, Form with validation, Toggle/Picker/Slider, .searchable, and overlay patterns. Use when building data-driven layouts, collection views, paged detail reveals, settings screens, search interfaces, or transient overlay UI.

swiftui-liquid-glass

dpearson2699/swift-ios-skills

Implement, review, or improve SwiftUI Liquid Glass effects for iOS 26+. Covers glassEffect modifier, GlassEffectContainer, glass button styles, glass toolbar/tab bar, static status badges vs interactive controls, morphing transitions, tinting, interactive glass, ToolbarSpacer, scrollEdgeEffectStyle, backgroundExtensionEffect, and availability gating. Use when asked about Liquid Glass, glass buttons, glassEffect, GlassEffectTransition, glassEffectID, glassEffectUnion, scroll edge effects, or adopting iOS 26 design.

swiftui-liquid-glass

openai/plugins

Implement and review iOS 26+ SwiftUI Liquid Glass UI. Use when adopting Liquid Glass or checking its correctness, performance, and design fit.

swiftui-liquid-glass-v2

diegosouzapw/awesome-omni-skills

SwiftUI Liquid Glass workflow skill. Use this skill when the user needs Implement or review SwiftUI Liquid Glass APIs with correct fallbacks and modifier order and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.

swiftui-navigation

dpearson2699/swift-ios-skills

Implement SwiftUI navigation patterns including NavigationStack, NavigationSplitView, sheet presentation, tab-based navigation, and deep linking. Use when building push navigation, programmatic routing, multi-column layouts, modal sheets, tab bars, universal links, or custom URL scheme handling.

swiftui-patterns

affaan-m/ECC

SwiftUI architecture patterns, state management with @Observable, view composition, navigation, performance optimization, and modern iOS/macOS UI best practices.

swiftui-patterns

openai/plugins

Build macOS SwiftUI scenes and components with desktop patterns. Use when shaping windows, commands, toolbars, settings, split views, or inspectors.

swiftui-performance

dpearson2699/swift-ios-skills

Profile, diagnose, and remediate SwiftUI runtime performance using code review, Instruments, and repeatable measurements. Use when a SwiftUI screen renders slowly, scrolling or animations hitch, view bodies update excessively, list identity churns, layout work spikes, or broad Observation dependencies raise CPU cost. Covers evidence-based triage, SwiftUI Instruments lanes, lazy-container guardrails, state lifetime, and before/after verification.

swiftui-performance-audit

TerminalSkills/skills

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swiftui-performance-audit

openai/plugins

Audit SwiftUI runtime performance from code first. Use when diagnosing slow rendering, janky scrolling, expensive updates, or profiling needs.

swiftui-performance-audit-v2

diegosouzapw/awesome-omni-skills

SwiftUI Performance Audit workflow skill. Use this skill when the user needs Audit SwiftUI performance issues from code review and profiling evidence and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.

swiftui-ui-patterns

TerminalSkills/skills

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swiftui-ui-patterns

openai/plugins

Build and refactor SwiftUI UI with component patterns and examples. Use when shaping navigation, state, layouts, controls, or screen composition.

swiftui-ui-patterns-v2

diegosouzapw/awesome-omni-skills

SwiftUI UI Patterns workflow skill. Use this skill when the user needs Apply proven SwiftUI UI patterns for navigation, sheets, async state, and reusable screens and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.

swiftui-uikit-interop

dpearson2699/swift-ios-skills

Bridges UIKit and SwiftUI with UIViewRepresentable, UIViewControllerRepresentable, UIHostingController, UIHostingConfiguration, coordinator delegates, and UIKit automatic observation tracking for shared @Observable state. Use when wrapping UIKit-only or third-party UIKit views/controllers in SwiftUI, embedding SwiftUI in UIKit, integrating mail/share/document/PDF/text-view surfaces, or migrating UIKit apps to SwiftUI incrementally.

swiftui-view-refactor

TerminalSkills/skills

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swiftui-view-refactor

openai/plugins

Refactor SwiftUI view files into stable, testable structure. Use when splitting large views, tightening data flow, or cleaning Observation ownership.

swiftui-view-refactor-v2

diegosouzapw/awesome-omni-skills

SwiftUI View Refactor workflow skill. Use this skill when the user needs Refactor SwiftUI views into smaller components with stable, explicit data flow and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.

swiftui-webkit

dpearson2699/swift-ios-skills

Embeds and controls web content in SwiftUI with WebKit for SwiftUI, including WebView, WebPage, navigation policies, JavaScript execution, observable page state, link interception, local HTML or data loading, and custom URL schemes. Use when building iOS 26+ article/detail views, help centers, in-app documentation, or other embedded web experiences backed by HTML, CSS, and JavaScript.

switch

liby/dotfiles

Create a new git branch with proper prefix and naming conventions. Use when the user says "new branch", "/switch", or asks to create a branch.

switch-brand

indranilbanerjee/digital-marketing-pro

Switch active brand profile. Use when: changing brand context in multi-client or agency workflows.

switch-persona

openakita/openakita

Switch Agent persona preset. Supports 8 presets including default assistant, business, tech expert, butler, girlfriend, boyfriend, family, and Jarvis. Use when user asks to change communication style or personality.

switchboard

sendaifun/skills

Complete Switchboard Oracle Protocol SDK for Solana - the permissionless oracle solution for price feeds, on-demand data, VRF randomness, and real-time streaming via Surge. Covers TypeScript SDK, Rust integration, Oracle Quotes, and all Switchboard tools.

swot-analysis

phuryn/pm-skills

Perform a detailed SWOT analysis — strengths, weaknesses, opportunities, and threats with actionable recommendations. Use when doing strategic assessment, competitive analysis, or evaluating a product or business position.

swr

TerminalSkills/skills

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swr

openai/plugins

SWR data-fetching expert guidance. Use when building React apps with client-side data fetching, caching, revalidation, mutations, optimistic UI, pagination, or infinite loading using the SWR library.

sxo

nowork-studio/NotFair

>

sybil

anam-org/metaxy

Use Sybil for testing code examples in documentation and docstrings. Covers pytest integration, parsers, skip directives, and namespace management.

sycophancy-challenger

mohitagw15856/pm-claude-skills

Flips Claude's default from "find reasons you're right" to "find reasons you're wrong." A genuine thinking partner, not a mirror with grammar. Use before high-stakes decisions, plans, assumptions, or pitches you haven't stress-tested.

syllabus

alirezarezvani/claude-skills

Use when the user shares a course syllabus or outline and wants supplementary readings. Groups topics with topic_grouper.py, finds recent peer-reviewed papers and writes a .docx with summaries and discussion questions.

symbiosis

BankrBot/skills

Cross-chain token swaps across 54+ blockchains via Symbiosis protocol. Use when the user wants to swap or bridge tokens between any chains — Base, Ethereum, Polygon, Arbitrum, Optimism, BNB Chain, Avalanche, Solana, Bitcoin, TON, Tron, and 40+ more. Supports any-to-any token swaps with automatic routing. Uses Bankr Submit API to execute transactions.

symbiotic-onboard

lout33/symbiotic-ai

Onboard a new user into a Symbiotic AI setup by interviewing them one sharp question at a time and writing their own context files (SOUL.md, USER.md, NOW.md, and AGENTS.md) as plain Markdown they keep. Use this whenever someone is setting up a personal AI agent, wants their assistant to remember or understand them across sessions, mentions Symbiotic AI / SOUL.md / USER.md / NOW.md, is staring at blank template files full of [bracketed placeholders], or asks how to give an AI persistent context they own and can move between models. Trigger even if they do not say the word "onboard".

symbolic-analogy

yogsoth-ai/de-anthropocentric-research-engine

Compress core contradiction into poetic imagery/oxymoron. Use compressed conflicts to reveal hidden solution directions.

symbolic-compression

yogsoth-ai/de-anthropocentric-research-engine

Compress problem contradiction into 2-3 word oxymoron. Produces oxymorons with interpretation directions for each.

symbolicate-crash-dump

microsoft/vscode

Symbolicate a native VS Code crash dump (.dmp) using electron-minidump. Use when given a crash dump file, asked to symbolicate a crash, resolve missing method names in a native crash backtrace, or attach Electron/Insiders/Stable symbol files. VS Code team members only; requires macOS or Linux.

symfony

TerminalSkills/skills

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symfony-ux

smnandre/symfony-ux-skills

Symfony UX frontend stack -- decision tree and orchestrator for choosing between Stimulus, Turbo, TwigComponent, LiveComponent, UX Icons, and UX Map. Use when the user is unsure which tool fits, wants to combine multiple UX packages, or asks a general frontend architecture question in Symfony. Also trigger when the user asks "which UX package should I use", "how to make this interactive", "should I use Stimulus or LiveComponent", "how to structure my Symfony frontend", "what is the difference between Turbo and LiveComponent", "should this be a Frame or a LiveComponent", "how do these UX packages work together", "what is the Symfony way to do frontend". Do NOT trigger when the user clearly names a specific tool (stimulus, turbo, twig-component, live-component, ux-icons, ux-map) -- defer to the specialized skill instead.