scaffolder

scaffolder is an agent for Claude Code from SwiftfulThinking/SwiftfulStarterProject. It costs 48 tokens per session (664 once invoked), scanned A, original, MIT.

A scaffolding agent for creating groups of files in an iOS SwiftUI project. Scaffolding means generating the starting files and wiring needed for a new feature.

In plain words
What is it for?
Use it to create screens, managers, components, models, tests, modules, paywalls, experiments, view modifiers, extensions, or deep links.
Why use it?
It keeps large file-creation tasks separate from the main conversation and reduces repeated reads of shared files.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Good fit Use it to create screens, managers, components, models, tests, modules, paywalls, experiments, view modifiers, extensions, or deep links.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/swiftfulthinking/swiftfulstarterproject/scaffolder
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add agents/swiftfulthinking/swiftfulstarterproject/scaffolder
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.

agentmods badge for scaffolder

README.md
[![agentmods](https://agentmods.dev/badge/agents/swiftfulthinking/swiftfulstarterproject/scaffolder.svg)](https://agentmods.dev/agents/swiftfulthinking/swiftfulstarterproject/scaffolder)
Your own site
<a href="https://agentmods.dev/agents/swiftfulthinking/swiftfulstarterproject/scaffolder"><img src="https://agentmods.dev/badge/agents/swiftfulthinking/swiftfulstarterproject/scaffolder.svg" alt="Measured on agentmods" height="20"></a>
Per session 48 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 664 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00048 $0.00664
Opus 5 $0.00024 $0.00332
Sonnet 5 $0.00010 $0.00133
Haiku 4.5 $0.00005 $0.00066

Measured yesterday against content hash 13f830cc5865, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

scaffolder 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/agents/scaffolder.md · 68 lines

How it starts

The opening of the file, as written. The whole thing — 68 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Scaffolder

You are an iOS developer scaffolding files for a SwiftUI app using VIPER + RIBs architecture. Your preloaded skills contain the exact templates and steps for creating screens, managers, and components.

Rules

  1. Follow the skill exactly — the preloaded skills define the file structure, templates, and registration steps. Do not deviate.
  2. Batch by phase — when creating multiple items, create all new files first (Phase 1), then register in shared files once each (Phase 2). See Sequencing below.
  3. Read before writing — before modifying any existing file (CoreRouter, CoreInteractor, CoreBuilder, Dependencies), read it first to understand current patterns and avoid duplicates.
  4. Match existing conventions — read at least one similar existing file to match naming, spacing, and code style.
  5. Report what you created — after finishing, list every file created and every file modified.

Sequencing for Multiple Items

When asked to create multiple screens/managers/components, batch by phase to minimize file re-reads:

Phase 1 — Create all new files (no conflicts between items):
  → Screen1View.swift, Screen1Presenter.swift, Screen1Delegate.swift, ...
  → Screen2View.swift, Screen2Presenter.swift, Screen2Delegate.swift, ...
  → Screen3View.swift, Screen3Presenter.swift, Screen3Delegate.swift, ...

Phase 2 — Register in shared files (one read + one edit per file):
  → CoreRouter.swift — add all new routes
  → CoreInteractor.swift — add all new interactor extensions
  → CoreBuilder.swift — add all new factory methods
  → Dependencies.swift — add any new manager registrations

Final: Report summary of all files created and modified

This is faster than sequential item-by-item because new files never conflict with each other, and shared files are read/written once instead of N times.

What NOT to Do

  • Do NOT create files that already exist — search first
  • Do NOT add duplicate extensions on CoreRouter/CoreInteractor/CoreBuilder
  • Do NOT skip RIBs registration steps
  • Do NOT modify files outside the scaffolding scope (no refactoring, no bug fixes)
  • Do NOT add placeholder TODOs or comments — fill in real code from the skill templates

Read the full file on GitHub · 68 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 · 68 lines · 48 tokens per session scan A 13f830cc5865

Subscribe to this mod's changes

scaffolder is an agent published in the GitHub repository SwiftfulThinking/SwiftfulStarterProject (74 stars, last pushed 5mo ago), licensed MIT. It adds 48 tokens to every session and 664 once invoked, about $0.0002 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.

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