agentmods.dev

ios-xcodegen

A workflow guide for repositories that use or are considering XcodeGen, a tool that generates Apple Xcode projects from a YAML configuration file. It treats `project.yml` or `project.yaml` as the project’s source of truth.

In plain words
What is it for?
Use it to maintain or evaluate XcodeGen specifications, configure iOS resources and test hosts, manage Swift packages, and verify generated projects and binary packaging.
Why use it?
It helps prevent durable fixes from being lost when generated Xcode project files are recreated, and guides checks for targets, schemes, packages, resources, and build settings.

Skill for Claude CodeCodex

19 10d ago A scan 55 tokens original MIT
View the source file fiveonecode/agent-skills
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 skills/fiveonecode/agent-skills/ios-xcodegen
Any agent
npx skills add fiveonecode/agent-skills --skill ios-xcodegen
Clone the repo
git clone --depth 1 https://github.com/fiveonecode/agent-skills

Made for: Claude Code, Codex.

Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,601 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 $0.00055 $0.01601
Opus 5 $0.00028 $0.00800
Sonnet 5 $0.00011 $0.00320
Haiku 4.5 $0.00006 $0.00160

Measured yesterday against content hash 646d524a2793, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

ios-xcodegen 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/test_contract.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

ios-xcodegen/SKILL.md · 152 lines

How it starts

The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.

XcodeGen iOS workflow

Use this skill only when a repository already uses XcodeGen or is explicitly evaluating it. XcodeGen spec semantics belong here; local builds, simulators, launches, and test execution belong to xcode-build, and Xcode Cloud lifecycle policy belongs to xcode-cloud.

The mutable claims below were reviewed against XcodeGen 2.45.4 and current Apple documentation retrieved on 2026-07-16. Read references/primary-sources.md before changing toolchain, asset, destination, Swift package, or packaging guidance.

Establish the project contract

  1. Treat project.yml or project.yaml as the source of truth. Do not edit a generated .xcodeproj as the durable fix.
  2. Read the repository's existing XcodeGen pin and run xcodegen --version. Preserve stricter project requirements. Do not silently install or update to an unreviewed latest release.
  3. Require the spec to declare minimumXcodeGenVersion for the schema features it uses. The fixtures use the reviewed 2.45.4 baseline. A minimum-version guard does not replace the repository's tool-installation pin.
  4. Confirm the spec captures every target, scheme, package, build setting, and resource before replacing an existing generated project. Generate with an explicit spec path, for example xcodegen generate --spec project.yml.
  5. Review the generated project diff and build phases. Generation success alone does not prove that resources, hosts, packages, or binary embedding are correct.

Resources and asset symbols

  • Put asset catalogs, storyboards, and other resources in a resources build phase. In an XcodeGen sources entry, use buildPhase: resources where the path is not otherwise classified correctly.

  • When code relies on Xcode-generated asset symbols, use the current build settings:

    ASSETCATALOG_COMPILER_GENERATE_ASSET_SYMBOLS: "YES"
ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS: "YES"

Read the full file on GitHub · 152 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 152 lines · 55 tokens per session scan A 646d524a2793

Subscribe to this mod's changes

ios-xcodegen is a skill published in the GitHub repository fiveonecode/agent-skills (19 stars, last pushed 10d ago), licensed MIT. It adds 55 tokens to every session and 1,601 once invoked, about $0.0003 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 2026-08-30.

DebuggingMobileTesting
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