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Agent skill

iOS Development

by CoWork-OS in CoWork-OS/CoWork-OS

iOS/Swift development: SwiftUI, UIKit, Core Data, Xcode builds, simulator management, code signing, and App Store submission.

MITAuto-check passedMobile

Install iOS Development

skills CLI
$ npx skills add CoWork-OS/CoWork-OS --skill ios-development -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install CoWork-OS/CoWork-OS ios-development --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/CoWork-OS/CoWork-OS.git skills-src && mkdir -p .claude/skills && cp -r skills-src/resources/skills/ios-development .claude/skills/ios-development && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
ios-development
GitHub stars
474
Token cost
~452 tokens
SKILL.md length
206 words
Files
3 (incl. scripts, references)
Skills in repo
46
Repo updated
First seen
Licence
MIT

At a glance

iOS/Swift development: SwiftUI, UIKit, Core Data, Xcode builds, simulator management, code signing, and App Store submission.

  • Tasks that involve iOS development
  • SKILL.md covers Purpose, Routing, Trigger Examples and Runtime Prompt
  • Tasks that involve App store release

What it does

iOS Development is an agent skill from CoWork-OS/CoWork-OS. iOS/Swift development: SwiftUI, UIKit, Core Data, Xcode builds, simulator management, code signing, and App Store submission.

Its SKILL.md is about 450 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including scripts and reference files (for example `references/full-guidance.md`).

It sits in Mobile, covering iOS development and App store release. It works with Xcode, SwiftUI, iOS and React Native. The repository describes itself as: Local-first personal agentic OS and everything app for coding, knowledge work, web design, automations, and artifacts. The licence is MIT.

When your agent uses it

  • Tasks that involve iOS development
  • Tasks that involve App store release

Example prompts

  • “/ios-development”

What it can do on your machine

Read from SKILL.md and the folder at commit a77d646. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/, which the agent can run.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

iOS Development loads about 452 tokens when it runs, and up to ~1.9k if it reads all its reference files. Until then it costs about 35 tokens; SKILL.md has 206 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~35
When it runs · the whole SKILL.md, loaded when a task matches
~452
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.9k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from CoWork-OS/CoWork-OS at commit a77d646, republished under its MIT licence (© CoWork-OS). 206 words, ~452 tokens.

Download SKILL.mdSave it as .claude/skills/ios-development/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
ios-development
description
iOS/Swift development: SwiftUI, UIKit, Core Data, Xcode builds, simulator management, code signing, and App Store submission.
version
1.0.0
metadata.author
CoWork OS Contributors <info@coworkosapp.com>

iOS Development

Purpose

iOS/Swift development: SwiftUI, UIKit, Core Data, Xcode builds, simulator management, code signing, and App Store submission.

Routing

  • Use when: Use when the user asks about iOS development, Swift, SwiftUI, UIKit, Xcode, Core Data, SwiftData, App Store submission, TestFlight, or iOS simulator management.
  • Do not use when: Do not use for Android development (use android-development), React Native (use the mobile pack's react-native skill), or general mobile CI/CD (use the mobile pack's build-pipeline skill).
  • Outputs: Swift code, SwiftUI views, Xcode commands, and iOS development guidance.
  • Success criteria: Returns valid Swift/SwiftUI code or Xcode CLI commands.

Trigger Examples

Positive
  • Use the ios-development skill for this request.
  • Help me with ios development.
  • Use when the user asks about iOS development, Swift, SwiftUI, UIKit, Xcode, Core Data, SwiftData, App Store submission, TestFlight, or iOS simulator management.
  • iOS Development: provide an actionable result.
Negative
  • Do not use for Android development (use android-development), React Native (use the mobile pack's react-native skill), or general mobile CI/CD (use the mobile pack's build-pipeline skill).
  • Do not use ios-development for unrelated requests.
  • This request is outside ios development scope.
  • This is conceptual discussion only; no tool workflow is needed.

Runtime Prompt

  • Current runtime prompt length: 893 characters.
  • Runtime prompt is defined directly in ../ios-development.json.

© CoWork-OS, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (scripts, references) in resources/skills/ios-development of CoWork-OS/CoWork-OS.

  • SKILL.md
  • references/full-guidance.md
  • scripts/.gitkeep

Open the folder on GitHubat commit a77d646

Compare with similar skills

iOS Development next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

iOS Development compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
iOS Development this skillCoWork-OS/CoWork-OS474—~452Automated safety check: PassMIT
iOS Marketing CaptureParthJadhav/ios-marketing-capture262—~6.1kAutomated safety check: PassMIT
Developing iOS Appsdaymade/claude-code-skills1.4k—~3.2kAutomated safety check: PassMIT
Senior Mobileborghei/Claude-Skills886—~1.9kAutomated safety check: PassMIT
Mobile App Builderrevfactory/harness-1001.3k—~1.8kAutomated safety check: PassApache-2.0
Update Swiftui APIsAvdLee/SwiftUI-Agent-Skill3.7k—~1.2kAutomated safety check: PassMIT

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Works with

Categories

Questions about iOS Development

What does iOS Development do?

iOS/Swift development: SwiftUI, UIKit, Core Data, Xcode builds, simulator management, code signing, and App Store submission. iOS Development is an agent skill from CoWork-OS/CoWork-OS. iOS/Swift development: SwiftUI, UIKit, Core Data, Xcode builds, simulator management, code signing, and App Store submission.

When should I use iOS Development?

iOS Development fits situations like: tasks that involve iOS development; tasks that involve App store release.

How do I install iOS Development in Claude Code?

Run `npx skills add CoWork-OS/CoWork-OS --skill ios-development -a claude-code`. Or copy the skill folder (resources/skills/ios-development in CoWork-OS/CoWork-OS) into .claude/skills/ios-development in your project. Claude Code loads it when a task matches its description.

How do I install iOS Development in Codex?

Run `npx skills add CoWork-OS/CoWork-OS --skill ios-development -a codex`. Or copy the skill folder (resources/skills/ios-development in CoWork-OS/CoWork-OS) into .agents/skills/ios-development in your project. Codex loads it when a task matches its description.

Can I use iOS Development in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add CoWork-OS/CoWork-OS --skill ios-development -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/ios-development, .gemini/skills/ios-development, .github/skills/ios-development and .opencode/skills/ios-development in your project.

What does iOS Development need to run?

SKILL.md names no scripts, command-line tools or credentials: iOS Development is instructions for the agent only.

Does iOS Development access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is iOS Development safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does iOS Development use?

iOS Development is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does iOS Development use?

About 452 tokens (SKILL.md is roughly 1.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.4k tokens, read only when the agent opens those files.

What are the alternatives to iOS Development?

Skills that share tags, products or a category with iOS Development: iOS Marketing Capture (ParthJadhav/ios-marketing-capture, 262 stars), Developing iOS Apps (daymade/claude-code-skills, 1.4k stars), Senior Mobile (borghei/Claude-Skills, 886 stars) and Mobile App Builder (revfactory/harness-100, 1.3k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains iOS Development?

CoWork-OS (a GitHub organization) maintains it in CoWork-OS/CoWork-OS, which has 474 GitHub stars. The repository holds 46 skills in this directory. The repository was last updated on October 9, 2026.

Source: CoWork-OS/CoWork-OS on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.