Fastlane Skill for Claude Code

From zero to App Store in natural language. Let Claude do the heavy lifting.

Why Fastlane?

Fastlane is the industry-standard automation tool for iOS and Android deployment, trusted by companies like Google, Uber, and Airbnb.

Fastlane:

• Automates screenshots, beta deployment, App Store releases, and code signing
• Turns hours of manual work into single commands
• Ensures consistent, reproducible releases every time
• 40,000+ GitHub stars
• 6,000+ forks
• 1,000+ contributors
• Used by millions of apps worldwide

Before Fastlane, releasing an app to Apple was like trying to get through airport security with a bottle of water and a sense of optimism. I can only imagine that everyone who contributed to Fastlane, were also wondering why Apple thought uploading 47 screenshots in 12 languages by hand, was somehow an elegantly designed "dev-friendly" workflow. I wish Jonny Ive was also involved in the engine room on software development life-cycles, where he would have shouted down the maze of activities needed to just ship a new version of your app.

Anyway, BIG Kudos to all the Fastlane contributors tho, who saved us all from the joy of manually uploading screenshots at 2am.

Why This Skill?

Fastlane is powerful—but you need to read the docs to use it correctly.

Here, we invert this: Claude already read the docs, knows how to use it correctly, and you just use the skill and profit.

Without This Skill	With This Skill
Read docs for hours	Ask in plain English
Manually find bundle ID, team ID	Auto-detected from Xcode
Copy/paste config templates	Generated and customized for you
Debug cryptic Ruby errors	Guided troubleshooting
Learn Fastlane syntax	Just describe what you want

Key benefits:

• Zero learning curve - No Fastlane expertise required
• Smart introspection - Reads your Xcode project, not you
• Best practices built-in - Homebrew install, proper lane structure
• Conversational setup - Iterate and adjust through chat

Example prompts:

"Set up Fastlane for my iOS app"
"Automate my App Store screenshots"
"Upload this build to TestFlight"
"Submit my app to the App Store"

Note: These skills enhance Claude's knowledge—ask naturally, no slash commands needed. Currently tested for iOS/macOS targets. Android support coming soon.

Prerequisites

• macOS with Xcode CLI tools
• Homebrew
• Fastlane: brew install fastlane

Installation

/plugin marketplace add greenstevester/fastlane-skill

Restart Claude Code.

Verify: Ask Claude "What Fastlane skills do you have?"

Usage

Navigate to your iOS/macOS project and ask Claude naturally:

┌─────────────────────────────────────────────────────────────────────────────┐
│                            App Release Workflow                             │
└─────────────────────────────────────────────────────────────────────────────┘

  ┌──────────┐    ┌──────────┐    ┌──────────┐    ┌──────────┐    ┌──────────┐
  │  SETUP   │───▶│  CERTS   │───▶│  SCREENS │───▶│   BETA   │───▶│ RELEASE  │
  └──────────┘    └──────────┘    └──────────┘    └──────────┘    └──────────┘
       │               │               │               │               │
       ▼               ▼               ▼               ▼               ▼
  "Set up         "Set up Match    "Automate       "Upload to      "Submit to
   Fastlane"       for code         App Store       TestFlight"     the App
                   signing"         screenshots"                    Store"

Step	What Claude Does
Setup	Creates Appfile, Fastfile, lanes from your Xcode project
Certs	Configures Match for team certificate sharing via private Git repo
Screens	Sets up Snapshot for automated screenshots across devices/languages
Beta	Syncs certs, increments build, builds, uploads to TestFlight
Release	Submits your tested TestFlight build for App Store review

What You Get

Skill	What It Does	Time Saved	Docs
setup-fastlane	Complete Fastlane config from Xcode project	2-3 hours	→
beta	One command TestFlight uploads	30 min/release	→
release	App Store submission workflow	1 hour	→
match	Team code signing setup	4-6 hours	→
snapshot	Automated screenshots across devices and languages	3-4 hours	→

After Setup

Fastlane (obviously from its name) has a concept of lanes—automated workflows defined in your Fastfile. Each lane bundles multiple actions into a single command:

┌─────────────────────────────────────────────────────────────────┐
│  Lane: "beta"                                                   │
├─────────────────────────────────────────────────────────────────┤
│  ┌─────────┐   ┌─────────┐   ┌─────────┐   ┌─────────┐        │
│  │  sync   │──▶│increment│──▶│  build  │──▶│ upload  │        │
│  │  certs  │   │ version │   │   app   │   │TestFlight│       │
│  └─────────┘   └─────────┘   └─────────┘   └─────────┘        │
└─────────────────────────────────────────────────────────────────┘
                              ▲
                              │
                    fastlane ios beta   ◀── One command runs all steps

Run your lanes:

fastlane lanes              # See all available lanes
fastlane ios test           # Run tests
fastlane ios beta           # Upload to TestFlight
fastlane ios release        # Submit to App Store

Manage metadata:

fastlane deliver download_metadata
fastlane deliver download_screenshots

Update

/plugin marketplace update fastlane-skill

Troubleshooting

Issue	Fix
Skills not loading	Restart Claude Code after install
No Xcode project	Run from directory with .xcodeproj or .xcworkspace
Code signing errors	Ask Claude: "Set up Match for code signing"

Local Development

claude --plugin-dir /path/to/fastlane-skill

License

MIT - github.com/greenstevester/fastlane-skill