Use when the user asks to build iOS screens, SwiftUI views, UIKit layouts, mobile components, or any iOS app UI. Also use when styling, redesigning, or beautifying any iOS interface. Covers iOS 26 Liquid Glass design language, hierarchy, motion, and platform-native patterns.

Manage Trello boards, lists, and cards via the Trello REST API.

Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.

Manage Trello boards, lists, and cards via the Trello REST API.

Manage Trello boards, lists, and cards via the Trello REST API.

Manage Trello boards, lists, and cards via the Trello REST API.

Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.

Optimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack.

Azure App Configuration SDK for Java. Centralized application configuration management with key-value settings, feature flags, and snapshots.

Azure AI Projects SDK for Java. High-level SDK for Azure AI Foundry project management including connections, datasets, indexes, and evaluations.

Optimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack.

Azure App Configuration SDK for Java. Centralized application configuration management with key-value settings, feature flags, and snapshots.

Azure AI Projects SDK for Java. High-level SDK for Azure AI Foundry project management including connections, datasets, indexes, and evaluations.

Optimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack.

Use webspec-index to query WHATWG, W3C, IETF and TC39 web specifications from the command line

Use when adding, executing, reviewing, or updating flutter_rust_bridge manual test reports under tools/manual_tests for scenarios that require human or agent-driven manual verification.

**UTILITY SKILL** — Must be consulted before making any changes to packages under sdk/. Discovers and loads package-specific domain knowledge that prevents common mistakes. WHEN: add feature to package; fix bug in package; modify package code; regenerate from typespec; change client library.

Bump the http-client-csharp base dependency versions in http-client-csharp-mgmt. Updates Azure and unbranded emitter (npm) dependencies and the Azure generator (NuGet) reference, rebuilds, and regenerates test projects.

Create REST API endpoints with proper OpenAPI annotations, API versioning, and testing following Rundeck standards.

Plan and write VS Code documentation for a new or updated feature. ALWAYS use this skill when the user asks to "document", "add docs for", "write docs for", or "update the docs for" a feature, or provides a GitHub issue/PR link to document — even if the change seems small. Proposes a documentation plan and asks clarifying questions first — it does not edit any files until you approve the plan.