# Apple Docs > Look up Apple Developer Documentation (Swift, SwiftUI, HealthKit, UIKit, etc.) and WWDC session transcripts using the sosumi CLI tool. Use when working with Swift/iOS code and need to check API signatures, find documentation, or understand Apple frameworks. Use when this capability is needed. - Skill: `tomevault-io/apple-docs` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/apple-docs` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/apple-docs/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Docs & Writing - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/apple-docs --- # Apple Documentation Lookup Fetch Apple Developer Documentation and WWDC session transcripts as clean markdown using the `sosumi` CLI tool. ## Installation ```bash npm install -g @nshipster/sosumi # or use directly with npx (no install needed) ``` ## Commands ### Search documentation When the user needs to find an API, framework, or concept: ```bash npx @nshipster/sosumi search "$ARGUMENTS" 2>/dev/null ``` ### Fetch specific documentation page When the user provides a documentation path or URL: ```bash npx @nshipster/sosumi fetch "$ARGUMENTS" 2>/dev/null ``` ### Fetch WWDC session transcript When the user asks about a WWDC session: ```bash npx @nshipster/sosumi fetch "/videos/play/wwdc{year}/{session-id}" 2>/dev/null ``` ## How to decide which command to use 1. If `$ARGUMENTS` starts with `/documentation` or `/videos` or `https://developer.apple.com` → use `fetch` 2. If `$ARGUMENTS` is a search query (e.g. "SwiftData", "HealthKit sleep") → use `search` 3. If no arguments provided → ask the user what they want to look up ## Workflow 1. Run the appropriate sosumi command 2. Read the output (markdown-formatted Apple documentation) 3. Present the relevant information to the user in a concise summary 4. If the search returned multiple results, pick the most relevant and offer to fetch the full docs 5. When fetching API docs, highlight: **signature**, **availability**, **key parameters**, and **usage notes** ## Common documentation paths ``` /documentation/swiftui /documentation/swiftdata /documentation/observation /documentation/charts /documentation/healthkit /documentation/widgetkit /documentation/backgroundtasks /documentation/foundation /documentation/uikit /documentation/combine /documentation/concurrency /documentation/corelocation /documentation/mapkit /documentation/avfoundation /documentation/coreml /documentation/createml /documentation/vision /documentation/naturallanguage /documentation/appintents ``` ## Example usage User: `/apple-docs HKCategoryValueSleepAnalysis` → Run: `npx @nshipster/sosumi search "HKCategoryValueSleepAnalysis"` → Then fetch the top result if needed User: `/apple-docs /documentation/swiftui/view` → Run: `npx @nshipster/sosumi fetch "/documentation/swiftui/view"` User: `/apple-docs SwiftData model macro` → Run: `npx @nshipster/sosumi search "SwiftData model macro"` User: `/apple-docs WWDC23 SwiftData` → Run: `npx @nshipster/sosumi search "WWDC 2023 SwiftData"` → Then fetch the session path from the results ## Requirements - Node.js 18+ - Internet connection (fetches from developer.apple.com) ## Notes - Output is clean markdown, ideal for reading in terminal - Search returns up to 50+ results — pick the most relevant - Documentation paths are case-insensitive - WWDC transcripts include full session text with timestamps - Works with all Apple frameworks: SwiftUI, UIKit, HealthKit, CoreML, etc. --- > Source: [itsnex1s/awesome-claude-skills](https://github.com/itsnex1s/awesome-claude-skills) — distributed by [TomeVault](https://tomevault.io).