PicoMLX

How to write CLI / tool output, errors, and exit codes that let an LLM self-correct. Distilled from gogcli's message design. Use when building or reviewing a command-line tool, API wrapper, or agent tool whose output an LLM reads — to make failures actionable instead of dead ends.

Writes and reviews Swift App Intents code that exposes app actions and data to Siri, Shortcuts, Spotlight, widgets, Control Center, and Apple Intelligence. Use when adding AppIntent, AppEntity, OpenIntent, AppShortcutsProvider, EntityQuery, Focus Filters, AssistantEntity/AssistantIntent schemas, or when wiring SwiftData/networked data into intents.

Generate optimized Apple App Store metadata recommendations with ASO best practices. Use this skill when analyzing app listings, optimizing metadata (title, subtitle, description, keywords), performing competitive analysis, or validating App Store listing requirements. Triggers on queries about App Store optimization, metadata review, or screenshot strategy.

Plan and execute large refactor or rewrite efforts efficiently with parallel multi-agent analysis and implementation. Use when a user asks to refactor many files, split workstreams, analyze a target code area, and coordinate sub-agents with clear ownership and dependency-aware execution.

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.

Swift architecture patterns and playbooks for MVVM, TCA, Clean Architecture, and more.

Docusaurus documentation expert. Specializes in creating, configuring, and deploying Docusaurus documentation sites, MDX authoring, plugin development, theming, versioning, and i18n. Activates for Docusaurus, documentation site, docs, MDX, markdown docs, static site generator, documentation framework, Docusaurus plugins, Docusaurus themes, public docs, docs site design, landing page, hero section, docs styling, spec-weave.com, documentation redesign, docs UI, docs theme, dark mode docs, sidebar navigation, algolia search, versioned docs, i18n docs, blog posts, announcement bar, footer customization, docusaurus config.

Create, rewrite, or review clear, source-backed software documentation, including READMEs, quickstarts, tutorials, how-to guides, manuals, troubleshooting pages, and CLI, API, configuration, or library references. Use for Markdown or MDX documentation that should lead readers to an early working result, preserve repository conventions, explain behavior plainly, and include verified examples when the subject supports them.

Create, rewrite, or review clear, source-backed software documentation, including READMEs, quickstarts, tutorials, how-to guides, manuals, troubleshooting pages, and CLI, API, configuration, or library references. Use for Markdown or MDX documentation that should lead readers to an early working result, preserve repository conventions, explain behavior plainly, and include verified examples when the subject supports them.

MLX Swift LM - Run LLMs and VLMs on Apple Silicon using MLX. Covers local inference, streaming, wired memory coordination, tool calling, LoRA fine-tuning, embeddings, and model porting.

gog: sandboxed Google Workspace CLI for SwiftBash — JSON-first reads and host-gated writes across Drive, Gmail, Calendar, Tasks, Sheets, Contacts and more, with host-managed auth.