Stitch → SwiftUI (Native iOS) Agent Skill

Converts a Stitch mobile screen, a local HTML file, or a URL into SwiftUI views for native iOS apps — VStack/HStack/ZStack layout mapping…

Context cost
6.7k tokensestimated from the bundle, loaded when it triggers
Bundle
4 of 5 fileshanded out here; the rest is at its source
Licence
Apache-2.0the author’s own terms
Last change
—no release on file
Servers it uses
Noneruns standalone

What it does

Converts a Stitch mobile screen, a local HTML file, or a URL into SwiftUI views for native iOS apps — VStack/HStack/ZStack layout mapping, Color asset tokens with dark mode, NavigationStack/TabView routing, and Xcode project structure. Only the Stitch route needs an API key.

What this skill changes about the agent has not been set out here as a list. Its SKILL.md, shown below, says it in the author’s own words.

iosmobile

The skill itself

A skill is instructions the model reads, so you can see what you are getting: below is the start of its SKILL.md. The front matter loads with every session, the body loads when the skill triggers, and the whole file comes with the install.

SKILL.md17.3 kB · preview
--- name: stitch-swiftui-components allowed-tools: - "stitch*:*" - "Bash" - "Read" - "Write" ---
11# Stitch → SwiftUI (Native iOS)
12
13You are a Swift/SwiftUI engineer. You convert mobile UI layouts — a Stitch screen generated with deviceType: MOBILE, a local HTML file, or a URL — into native iOS SwiftUI views — .swift files that build and run in Xcode. You follow Apple's Human Interface Guidelines and produce code that feels like it belongs on iOS.
14
15## When to use this skill
16
17Use this skill when:
18- The user wants **native iOS** output from an existing design
19- The user mentions "SwiftUI", "Xcode", "iOS", "native iOS app"
20- The source is a **mobile layout** — narrow, vertical, touch-sized targets (a Stitch screen with deviceType: MOBILE, or a local file/URL that reads as mobile)
21
22**Note:** This skill targets iOS 16+ with SwiftUI. For cross-platform (iOS + Android), use stitch-react-native-components instead.
23
24## Prerequisites
25
26A mobile-layout source, read as structural and visual reference only — nothing here ships, SwiftUI views get written from scratch. Any one of these works:
27
28- A **Stitch screen** — needs Stitch MCP access and a screen generated with deviceType: MOBILE
29- A **local HTML file** of a mobile layout — no Stitch account required
This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md2,290 words
Files4
LicenceApache-2.0
Why you can read it

Nothing in a skill executes. The client loads the text and the model follows it, so a skill can be audited the way a runbook is — by reading it.

What it costs in context

Skills are not billed by the call. They are paid for in context: every token the instructions occupy is a token your code, your diff and your conversation cannot use. Here is what this one takes and when it takes it.

≈100
always loaded
The name and description, so the model knows the skill exists and when to reach for it.
6,625
on trigger
The instruction body and 3 supporting files, read only when the skill fires.
3.4%
of a 200k window
Ten skills this size would take about 34% of the window before you open a file.
050k100k150k200k context window

6.7k tokens, estimated from the bundle at four bytes to the token, held for the rest of the session once it triggers. Heavy. Teams tend to install this one per project rather than globally, and load it only when the job comes up.

Servers bill, skills cost

A server charges by the month. A skill charges once per session, in context, and then keeps charging it for as long as the session lives.

Before and after

The same question, put to the same model twice: once as it comes, and once with these instructions loaded.

No worked example has been published for this skill yet.

The procedure it runs

The procedure has not been set out here step by step. It is in the body of its SKILL.md: the start of it is shown above, and the whole file comes with the install.

Prose, not code

These steps are written for a model to follow, not executed by a runtime. It can still be told to skip one, and it will say so when it does.

Servers it uses

None. This skill calls no MCP servers at all.

Everything it needs is in the instructions, so it works in a project with nothing connected — the model reads the file and changes how it works with what it can already reach.

It asks the agent to write files, using whatever file access your client already has. Whether it reaches the network is not declared.

What it asks for
Writes filesyes
Network accessnot declared

Read from the allowed-tools line of this skill’s own SKILL.md. It also asks for Bash, which could do either, so what is not named there is not ruled out. A skill grants no permissions of its own — it can only ask for tools your client already has.

What it will not do

Every skill is narrow, and the useful ones say where they stop. These are the jobs this one is the wrong tool for.

What this skill is not for has not been published here. Nothing is implied by that: it is a section the author has not filled in.

What is in the bundle

The download carries 4 of the 5 files in its source folder; the list here names 4 files, 28.2 kB on disk. Mostly text — the instructions the model reads — with 1 script in it that your client would run only if the instructions tell it to. The other one is not in the download — listed after these, with why.

  • SKILL.md17.3 kB
  • resources/architecture-checklist.md3.9 kB
  • resources/layout-mapping.md5.7 kB
  • scripts/fetch-stitch.sh1.3 kB

Not in the download

Not carried is a type a skill download does not hold. Marked read: its SKILL.md or scripts name the file, so without it the skill works only in part. Take it from its source.

  • resources/component-template.swiftread · not carried
What is not in it

A skill installs nothing and depends on nothing: it is a folder your client reads. This one carries 1 script beside the text, so the download is 4 files — not the whole of its source: 1 file is left out, and the skill reads it. It is listed under the files, with why. The Apache-2.0 licence covers the templates and examples as well as the instructions.

Install

Installing copies the bundle into your project. Nothing runs at install time — the files sit on disk until the model reads them.

# Stitch → SwiftUI (Native iOS) · 6.7k tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/stitch-swiftui-native-ios/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/stitch-swiftui-native-ios" ] && { [ ! -e .claude/skills/stitch-swiftui-native-ios ] || { mv .claude/skills/stitch-swiftui-native-ios "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/stitch-swiftui-native-ios" .claude/skills/ && echo "Installed .claude/skills/stitch-swiftui-native-ios"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add gabelul/stitch-swiftui-native-ios

Windows PowerShell says 'running scripts is disabled on this system'? Run Set-ExecutionPolicy -Scope CurrentUser RemoteSigned once, or type npx.cmd instead of npx (codex.cmd, gemini.cmd, grok.cmd likewise). PowerShell 7 needs neither. Writes to .claude/skills/stitch-swiftui-native-ios/ in the current project. For every project instead, run mkdir -p ~/.claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/stitch-swiftui-native-ios/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/stitch-swiftui-native-ios" ] && { [ ! -e ~/.claude/skills/stitch-swiftui-native-ios ] || { mv ~/.claude/skills/stitch-swiftui-native-ios "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/stitch-swiftui-native-ios" ~/.claude/skills/ && echo "Installed ~/.claude/skills/stitch-swiftui-native-ios" (macOS, Linux) — or add --global to the npx line. The curl line replaces .claude/skills/stitch-swiftui-native-ios/ only after the download succeeds, so files left there by another skill of the same name, or by an older release, do not mix in. A copy already there is moved aside, not deleted, and the line prints where. It appears as stitch-swiftui-components in Gemini CLI, Codex, Copilot and Grok (its own name); Claude Code lists it by the folder name, stitch-swiftui-native-ios. Not in this download: 1 file of its source, which its SKILL.md or scripts read (which one, and why). Take it from its source.

Which clients pick it up on their own

A skill is a folder of text. Most of these read a skills folder and pick it up without being told; the rest take the same folder another way — an upload in the app, a parameter on an API call — and then choose it by its description just the same.

Claude Code.claude/skills/
Claude DesktopCustomize › Skills
ChatGPTSkills › Create › Upload
Cursor.cursor/skills/
VS Code.github/skills/
Codex CLI.agents/skills/
Gemini CLI.gemini/skills/
Grok Build.grok/skills/
Microsoft CopilotSkills › Upload a skill
PerplexityComputer › Skills › Upload a skill
DeepSeek Harness.dsh/skills/
Zed.agents/skills/
Devin Desktop.devin/skills/
Windsurf (legacy).windsurf/skills/
OpenAI Agents SDKInstructions or sandbox Skills
HTTP / APIa request parameter
This release
Versionnot versioned
Publishedno release date on file
PriceFree
Referencegabelul/stitch-swiftui-native-ios

Versions

Its author publishes no version number, so there is nothing here to pin to: what you install is the folder as it stands today. Instructions change more often than APIs do — a skill can be rewritten entirely without anything it depends on moving.

Pinning

Nothing to pin to: this skill carries no version number of its own. What you install is what the folder holds on the day you install it.

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