axiom-ios-testing

axiom-ios-testing is a skill for Claude Code, Codex from ComeOnOliver/skillshub. It costs 45 tokens per session (2,328 once invoked), scanned A, original, MIT.

A guide for testing iOS apps with Swift Testing, XCTest, and UI tests. It also explains TDD, a method of writing tests before the code they check.

In plain words
What is it for?
Use it to write or migrate tests, test async code, run logic tests without a simulator, and improve test architecture.
Why use it?
It helps diagnose flaky tests, reduce test time, and choose suitable approaches for synchronous, asynchronous, unit, and interface tests.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to write or migrate tests, test async code, run logic tests without a simulator, and improve test architecture.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/comeonoliver/skillshub/axiom-ios-testing
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.

Any agent
npx skills add ComeOnOliver/skillshub --skill axiom-ios-testing
Clone the repo
git clone --depth 1 https://github.com/ComeOnOliver/skillshub

Made for: Claude Code, Codex.

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 axiom-ios-testing

README.md
[![agentmods](https://agentmods.dev/badge/skills/comeonoliver/skillshub/axiom-ios-testing/github.svg)](https://agentmods.dev/skills/comeonoliver/skillshub/axiom-ios-testing)
Your own site
<a href="https://agentmods.dev/skills/comeonoliver/skillshub/axiom-ios-testing"><img src="https://agentmods.dev/badge/skills/comeonoliver/skillshub/axiom-ios-testing/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for axiom-ios-testing

Your own site · 80×15
<a href="https://agentmods.dev/skills/comeonoliver/skillshub/axiom-ios-testing"><img src="https://agentmods.dev/badge/skills/comeonoliver/skillshub/axiom-ios-testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,328 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00045 $0.02328
Opus 5 $0.00023 $0.01164
Sonnet 5 $0.00009 $0.00466
Haiku 4.5 $0.00005 $0.00233

Measured 6d ago against content hash 7d34ea25f968, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

axiom-ios-testing 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 6d ago.

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.

skills/CharlesWiltgen/Axiom/axiom-ios-testing/SKILL.md · 301 lines

How it starts

The opening of the file, as written. The whole thing — 301 lines — stays where its author put it; the contents beside it link to each section on GitHub.

iOS Testing Router

You MUST use this skill for ANY testing-related question, including writing tests, debugging test failures, making tests faster, or choosing between testing approaches.

When to Use

Use this router when you encounter:

  • Writing new unit tests or UI tests
  • Swift Testing framework (@Test, #expect, @Suite)
  • XCTest or XCUITest questions
  • Making tests run faster (without simulator)
  • Flaky tests (pass sometimes, fail sometimes)
  • Testing async code reliably
  • Migrating from XCTest to Swift Testing
  • Test architecture decisions
  • Condition-based waiting patterns

Routing Logic

This router invokes specialized skills based on the specific testing need:

1. Unit Tests / Fast Tests → swift-testing

Triggers:

  • Writing new unit tests
  • Swift Testing framework (@Test, #expect, #require, @Suite)
  • Making tests run without simulator
  • Testing async code reliably
  • withMainSerialExecutor, TestClock
  • Migrating from XCTest
  • Parameterized tests
  • Tags and traits
  • Host Application: None configuration
  • Swift Package tests (swift test)
  • Tests take >5 seconds for pure logic
  • Want TDD with fast feedback loop

Why swift-testing: Modern Swift Testing framework with parallel execution, better async support, and the ability to run without launching simulator.

Invoke: Read the axiom-swift-testing skill


2. UI Tests / XCUITest → ui-testing

Triggers:

  • Recording UI Automation (Xcode 26)
  • XCUIApplication, XCUIElement
  • Flaky UI tests
  • Tests pass locally, fail in CI
  • sleep() or arbitrary timeouts
  • Condition-based waiting
  • Cross-device testing
  • Accessibility-first testing

Why ui-testing: XCUITest requires simulator and has unique patterns for reliability.

Invoke: Read the axiom-ui-testing skill


3. Flaky Tests / Race Conditions → test-failure-analyzer (Agent)

Triggers:

  • Tests fail randomly in CI
  • Tests pass locally but fail in CI
  • Flaky tests (pass sometimes, fail sometimes)
  • Race conditions in Swift Testing
  • Missing await confirmation for async callbacks
  • Missing @MainActor on UI tests
  • Shared mutable state in @Suite
  • Tests pass individually, fail when run together

Read the full file on GitHub · 301 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. 6d ago First seen · 301 lines · 45 tokens per session scan A 7d34ea25f968

Subscribe to this mod's changes

axiom-ios-testing is a skill published in the GitHub repository ComeOnOliver/skillshub (63 stars, last pushed 2mo ago), licensed MIT. It adds 45 tokens to every session and 2,328 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 2026-09-03.

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