axiom-ios-graphics

axiom-ios-graphics is a skill for Claude Code, Codex from ComeOnOliver/skillshub. It costs 57 tokens per session (1,892 once invoked), scanned A, original, MIT.

An iOS graphics guide for GPU rendering, Metal, shaders, 3D content, augmented reality, and display performance. Metal is Apple's framework for using the device's graphics processor.

In plain words
What is it for?
Use it to port OpenGL or DirectX code, convert GLSL or HLSL shaders, build Metal views, display 3D or AR content, debug black screens, or improve ProMotion and GPU performance.
Why use it?
It helps diagnose rendering problems and choose approaches when moving graphics code to Metal or tuning frame rate and device performance.

Skill for Claude CodeCodex

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

Good fit Use it to port OpenGL or DirectX code, convert GLSL or HLSL shaders, build Metal views, display 3D or AR content, debug black screens, or improve ProMotion and GPU performance.

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

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/comeonoliver/skillshub/axiom-ios-graphics"><img src="https://agentmods.dev/badge/skills/comeonoliver/skillshub/axiom-ios-graphics.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 57 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,892 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 $0.00057 $0.01892
Opus 5 $0.00028 $0.00946
Sonnet 5 $0.00011 $0.00378
Haiku 4.5 $0.00006 $0.00189

Measured 9d ago against content hash 78d642489a3a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

axiom-ios-graphics 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 9d 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-graphics/SKILL.md · 198 lines

How it starts

The opening of the file, as written. The whole thing — 198 lines — stays where its author put it; the contents beside it link to each section on GitHub.

iOS Graphics Router

You MUST use this skill for ANY GPU rendering, graphics programming, 3D content display, or display performance work.

When to Use

Use this router when:

  • Porting OpenGL/OpenGL ES code to Metal
  • Porting DirectX code to Metal
  • Converting GLSL/HLSL shaders to Metal Shading Language
  • Setting up MTKView or CAMetalLayer
  • Debugging GPU rendering issues (black screen, wrong colors, crashes)
  • Evaluating translation layers (MetalANGLE, MoltenVK)
  • Optimizing GPU performance or fixing thermal throttling
  • App stuck at 60fps on ProMotion device
  • Configuring CADisplayLink or render loops
  • Variable refresh rate display issues
  • Displaying 3D content in a non-game SwiftUI app
  • Building AR experiences with RealityKit
  • Using RealityView or Model3D in SwiftUI
  • Spatial computing or visionOS 3D content

Routing Logic

Metal Migration

Strategy decisions/skill axiom-metal-migration

  • Translation layer vs native rewrite decision
  • Project assessment and migration planning
  • Anti-patterns and common mistakes
  • Pressure scenarios for deadline resistance

API reference & conversion/skill axiom-metal-migration-ref

  • GLSL → MSL shader conversion tables
  • HLSL → MSL shader conversion tables
  • GL/D3D API → Metal API equivalents
  • MTKView setup, render pipelines, compute shaders
  • Complete WWDC code examples

Diagnostics/skill axiom-metal-migration-diag

  • Black screen after porting
  • Shader compilation errors
  • Wrong colors or coordinate systems
  • Performance regressions
  • Time-cost analysis per diagnostic path

Display Performance

Frame rate & render loops/skill axiom-display-performance

  • App stuck at 60fps on ProMotion (120Hz) device
  • MTKView or CADisplayLink configuration
  • Variable refresh rate optimization
  • System caps (Low Power Mode, Limit Frame Rate, Thermal, Adaptive Power)
  • Frame budget math (8.33ms for 120Hz)
  • Measuring actual vs reported frame rate

RealityKit (Non-Game 3D Content)

For 3D content in non-game SwiftUI apps, AR experiences, and spatial computing, use the RealityKit skills. For game-specific RealityKit patterns, use the ios-games router instead.

Read the full file on GitHub · 198 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. 9d ago First seen · 198 lines · 57 tokens per session scan A 78d642489a3a

Subscribe to this mod's changes

axiom-ios-graphics is a skill published in the GitHub repository ComeOnOliver/skillshub (63 stars, last pushed 2mo ago), licensed MIT. It adds 57 tokens to every session and 1,892 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 2026-09-03.

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