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Manage, update, and discover Claude Code skills across multiple installation sources.

This skill enables real-time research information lookup using Perplexity's Sonar models through OpenRouter. It intelligently selects between Sonar Pro Search (fast, efficient lookup) and Sonar Reasoning Pro (deep analytical reasoning) based on query complexity. The skill provides access to current academic...

Use this skill to find, evaluate, add, and maintain high-quality external resources (articles, videos, courses) for concept documentation pages. This includes auditing existing resources for broken links and outdated content.

Audit SwiftUI view performance end-to-end, from instrumentation and baselining to root-cause analysis and concrete remediation steps.

The project evolves quickly. Always consult these sources for up-to-date details:

This skill provides expert guidance on ensuring Mapbox style quality through validation, accessibility, and optimization tools.

Comprehensive rules for building iPad-native apps following Apple's Human Interface Guidelines. iPad is not a big iPhone -- it demands adaptive layouts, multitasking support, pointer interactions, keyboard shortcuts, and inter-app drag and drop. These rules extend iOS patterns for the larger, more capable canvas.

This skill covers the grepai init command and project initialization.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Expert guidance for Dart programming, Flutter framework, mobile development, and cross-platform applications.

Build comprehensive Ruby on Rails applications with proper model associations, RESTful controllers, Active Record queries, authentication systems, middleware chains, and view rendering following Rails conventions.

Box is a cloud-based content management and file sharing service. It's used by businesses of all sizes to securely store, access, and collaborate on files from anywhere. Think of it as a more business-focused alternative to Dropbox or Google Drive.

Check whether a marimo notebook can run in a WebAssembly (WASM) environment — the marimo playground, community cloud, or exported WASM HTML.

A two-phase team loop that produces production-quality code: implement , then audit using simplify + harden passes , then fix audit findings , then re-audit , repeating until the codebase is solid or the loop cap is reached.

Use this skill when creating or modifying agent skills in .agents/skills/ .

Complete technical documentation for Hindsight - a biomimetic memory system for AI agents.

Apollo Kotlin is a strongly typed GraphQL client that generates Kotlin models from your GraphQL operations and schema, that can be used in Android, JVM, and Kotlin Multiplatform projects.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Apple's native persistence framework using @Model classes and declarative queries. Built on Core Data, designed for SwiftUI.

Note : Pin versions during beta as breaking changes may occur in patch releases.

Every user-facing view must be usable with VoiceOver, Switch Control, Voice Control, Full Keyboard Access, and other assistive technologies. This skill covers the patterns and APIs required to build accessible iOS apps.