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.
npx skills add ComeOnOliver/skillshub --skill axiom-metal-migrationgit clone --depth 1 https://github.com/ComeOnOliver/skillshubWrote 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.
[](https://agentmods.dev/skills/comeonoliver/skillshub/axiom-metal-migration)<a href="https://agentmods.dev/skills/comeonoliver/skillshub/axiom-metal-migration"><img src="https://agentmods.dev/badge/skills/comeonoliver/skillshub/axiom-metal-migration/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.
<a href="https://agentmods.dev/skills/comeonoliver/skillshub/axiom-metal-migration"><img src="https://agentmods.dev/badge/skills/comeonoliver/skillshub/axiom-metal-migration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00031 | $0.04216 |
| Opus 5 | $0.00015 | $0.02108 |
| Sonnet 5 | $0.00006 | $0.00843 |
| Haiku 4.5 | $0.00003 | $0.00422 |
Grade A, and why
axiom-metal-migration 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 8d 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.
How it starts
The opening of the file, as written. The whole thing — 500 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Metal Migration
Porting OpenGL/OpenGL ES or DirectX code to Metal on Apple platforms.
When to Use This Skill
Use this skill when:
- Porting an OpenGL/OpenGL ES codebase to iOS/macOS
- Porting a DirectX codebase to Apple platforms
- Deciding between translation layer (MetalANGLE) vs native rewrite
- Planning a phased migration strategy
- Evaluating effort vs performance tradeoffs
Red Flags
❌ "Just use MetalANGLE and ship" — Translation layers add 10-30% overhead; fine for demos, not production
❌ "Convert shaders one-by-one without planning" — State management differs fundamentally; you'll rewrite twice
❌ "Keep the GL state machine mental model" — Metal is explicit; thinking GL causes subtle bugs
❌ "Port everything at once" — Phased migration catches issues early; big-bang migrations hide compounding bugs
❌ "Skip validation layer during development" — Metal validation catches 80% of porting bugs with clear messages
❌ "Worry about coordinate systems later" — Y-flip and NDC differences cause the most debugging time
❌ "Performance will be the same or better automatically" — Metal requires explicit optimization; naive ports can be slower
Migration Strategy Decision Tree
Starting a port to Metal?
│
├─ Need working demo in <1 week?
│ ├─ OpenGL ES source? → MetalANGLE (translation layer)
│ │ └─ Caveats: 10-30% overhead, ES 2/3 only, no compute
│ │
│ └─ Vulkan available? → MoltenVK
│ └─ Caveats: Vulkan complexity, indirect translation
│
├─ Production app with performance requirements?
│ └─ Native Metal rewrite (recommended)
│ ├─ Phased: Keep GL for reference, port module-by-module
│ └─ Full: Clean rewrite using Metal idioms from start
│
├─ DirectX/HLSL source?
│ └─ Metal Shader Converter (Apple tool)
│ └─ Converts DXIL bytecode → Metal library
│ └─ See metal-migration-ref for usage
│
└─ Hybrid approach?
└─ MetalANGLE for demo → Native Metal incrementally
└─ Best of both: fast validation, optimal end state
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.
- 8d ago First seen · 500 lines · 31 tokens per session scan A 34b25ff538f9
axiom-metal-migration is a skill published in the GitHub repository ComeOnOliver/skillshub (63 stars, last pushed 2mo ago), licensed MIT. It adds 31 tokens to every session and 4,216 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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