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Found 4,132 Skills
Optimize Linux system performance. Configure kernel parameters, analyze bottlenecks, and tune resources. Use when improving system performance.
Builds rich text editors with Tiptap, a headless ProseMirror-based editor framework for React with Tailwind v4 support. Covers SSR-safe setup, image uploads, prose styling, collaborative editing, and markdown support. Use when adding a rich text editor, configuring Tiptap extensions, handling image uploads in editors, or setting up collaborative editing with Y.js. Use for tiptap, rich text, editor, prosemirror, react, tailwind.
Execute transaction builds and submits. Manual invoke only—requires explicit confirmation before submit.
Resend email API for sending transactional and marketing emails. Use when integrating email delivery, managing domains, handling webhooks, building email workflows with React Email, managing contacts, or sending broadcasts. Use for resend, email, transactional, broadcast, contacts, segments, webhooks, domain.
Guide for creating VS Code extensions from scratch to Marketplace publication. Use when: (1) Creating a new VS Code extension, (2) Adding commands, keybindings, or settings to an extension, (3) Publishing to VS Code Marketplace, (4) Troubleshooting extension activation or packaging issues, (5) Building TreeView or Webview UI, (6) Setting up extension tests.
Advanced TypeScript patterns for strict mode development. Covers type utilities (Pick, Omit, Partial, Record, Awaited), generics with constraints and inference, type guards and narrowing, discriminated unions, conditional and mapped types, template literal types, const assertions, satisfies operator, module patterns, and modern JavaScript idioms (eslint-plugin-unicorn). Use when building type-safe APIs, preventing runtime errors through types, working with strict TypeScript configuration, debugging complex type errors, or enforcing modern JS idioms. Use for generics, type guards, utility types, strict mode, type inference, narrowing, type safety, const assertions, satisfies, module augmentation, unicorn, for-of, modern-js.
Technical Research Expert Skill, providing systematic technical research methodologies, document specifications, and best practices. Trigger this skill when you need to conduct technology selection, architecture research, framework comparison, or implementation scheme research.
End-to-end service design and service improvement workflow based on Lou Downe's "Good Services" (15 principles). Use when the user asks for a service audit, service blueprint, customer journey map/service map, designing a new service, fixing a broken service, improving findability/clarity/accessibility, or creating an actionable backlog and service standard.
Enable developers to learn and use Chainlink Runtime Environment (CRE) quickly by referencing filtered CRE docs. Trigger when user wants onboarding, CRE workflow generation (in TypeScript or Golang or other supported languages), workflow guidance, CRE CLI and/or SDK help, runtime operations advice, or capability selection
Make application behavior visible to coding agents by exposing structured logs and telemetry. Use when asked to "add telemetry", "make logs accessible to agents", "add observability", "debug with logs", or when an agent needs to understand runtime behavior but has no way to query logs. Also use when debugging is difficult because there are no structured logs, when agent docs (CLAUDE.md, AGENTS.md) lack instructions for querying application logs, or when setting up logging infrastructure for a new or existing web application.
Used to audit codebases to ensure their naming complies with established terminology and specifications. This Skill should be used when you need to enforce a project's 'Ubiquitous Language', identify deviations in method/variable/parameter naming, and propose modification suggestions.
Expert guidance for designing, implementing, migrating, and debugging SwiftData persistence in Swift and SwiftUI apps. Use when working with @Model schemas, @Relationship/@Attribute rules, Query or FetchDescriptor data access, ModelContainer/ModelContext configuration, CloudKit sync, SchemaMigrationPlan/history APIs, ModelActor concurrency isolation, or Core Data to SwiftData adoption/coexistence.