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SwiftfulStarterProject: Instructions file for Claude Code

CLAUDE.md

SwiftfulStarterProject CLAUDE.md is an instructions file for Claude Code from SwiftfulThinking/SwiftfulStarterProject. It costs 888 tokens per session, scanned A, original, MIT.

A project instruction file for a SwiftUI iOS app using VIPER and RIBs, two patterns for separating screens, business logic, navigation, and dependencies. It defines the required architecture, build configurations, and file conventions.

In plain words
What is it for?
Use it as a reference when adding screens, components, managers, dependencies, or other files to this Swift app.
Why use it?
It gives a coding agent the project's local rules so new code follows the existing structure and uses the correct development, mock, or production setup.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: reads .claude/ paths.

This is SwiftfulThinking/SwiftfulStarterProject's own configuration. It tells Claude Code how to work on SwiftfulStarterProject itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything SwiftfulStarterProject configures →

not rated 74 5mo ago A scan 888 tokens original MIT
View the source file SwiftfulThinking/SwiftfulStarterProject swiftful-thinking.com
Reuse

Borrowing it

Nothing to install: this file belongs to SwiftfulThinking/SwiftfulStarterProject. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/SwiftfulThinking/SwiftfulStarterProject/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/SwiftfulThinking/SwiftfulStarterProject

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

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README.md
[![agentmods](https://agentmods.dev/badge/instructions/swiftfulthinking/swiftfulstarterproject/claude-md.svg)](https://agentmods.dev/instructions/swiftfulthinking/swiftfulstarterproject/claude-md)
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<a href="https://agentmods.dev/instructions/swiftfulthinking/swiftfulstarterproject/claude-md"><img src="https://agentmods.dev/badge/instructions/swiftfulthinking/swiftfulstarterproject/claude-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 888 This file is loaded in full into every session.
When invoked 888 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00888 $0.00888
Opus 5 $0.00444 $0.00444
Sonnet 5 $0.00178 $0.00178
Haiku 4.5 $0.00089 $0.00089

Measured yesterday against content hash 8eaabceaa289, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

SwiftfulStarterProject CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 88 lines

How it starts

The opening of the file, as written. The whole thing — 88 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SwiftfulStarterProject

iOS app using SwiftUI with VIPER + RIBs architecture. Swift 6, async/await, @Observable.

Architecture

View → Presenter → Interactor → Manager (never skip layers)
  • View: SwiftUI view, owns a @State var presenter
  • Presenter: @Observable @MainActor, all business logic, calls interactor/router
  • Interactor: Protocol extending GlobalInteractor, implemented on CoreInteractor
  • Router: Protocol extending GlobalRouter, implemented on CoreRouter
  • Manager: Owns data/services, injected via Dependencies.swift
  • Component: Dumb UI — no business logic, no Presenters, all data injected

Every new screen registers in CoreRouter, CoreInteractor, and CoreBuilder.

Build Configurations

  • Mock: No Firebase, mock data. Use for 90% of development.
  • Development: Real Firebase, dev credentials.
  • Production: Real Firebase, prod credentials.

File Creation

This project uses Xcode 16+ File System Synchronization. Files created in SwiftfulStarterProject/ automatically appear in Xcode — no manual project file edits needed.

Key Conventions

  • .asButton() instead of Button() wrapper
  • ImageLoaderView instead of AsyncImage
  • router.showAlert() instead of .alert() modifier
  • LogManager instead of print()
  • No Task.detached, no DispatchQueue, no @unchecked Sendable
  • @MainActor only on UI-related code (Presenters, Managers, Interactors)
  • All Presenter/Manager methods must track analytics events

Rules (always loaded)

Detailed conventions are in .claude/rules/:

  • viper-architecture.md — VIPER layers, data flow, RIBs registration
  • project-structure.md — folder layout, managers, naming conventions
  • swift-6.md — concurrency, code style, model requirements
  • swiftui-patterns.md — UI patterns, property wrappers, deprecated APIs
  • manager-lifecycle.md — registration, login/logout, analytics
  • commit-rules.md — prefix system, message format

Skills (loaded on demand)

Read the full file on GitHub · 88 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 88 lines · 888 tokens per session scan A 8eaabceaa289

Subscribe to this mod's changes

SwiftfulStarterProject CLAUDE.md is an instructions file published in the GitHub repository SwiftfulThinking/SwiftfulStarterProject (74 stars, last pushed 5mo ago), licensed MIT. It adds 888 tokens to every session, about $0.0044 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.

Kotlin and SwiftLanguagesMobile
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