GitHub Actions Windows ARM64 wheel builder

GitHub Actions Windows ARM64 wheel builder is an agent for Claude Code from archubbuck/workspace-architect. It costs 38 tokens per session (3,919 once invoked), scanned A, a copy of GitHub Actions Windows ARM64 wheel builder, ISC.

A GitHub Actions specialist for adding native Windows ARM64 builds and tests to Python package workflows. GitHub Actions is GitHub's automation service, and ARM64 is the processor architecture used by many Windows devices.

In plain words
What is it for?
Use it to inspect a repository's wheel-building workflow, check tool and Python-version support, and add a Windows 11 ARM runner for building and testing packages.
Why use it?
It helps release workflows produce Windows packages for ARM64 devices when that platform is missing from the existing build matrix.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit Use it to inspect a repository's wheel-building workflow, check tool and Python-version support, and add a Windows 11 ARM runner for building and testing packages.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/archubbuck/workspace-architect/python-win-arm64-gha-wheel-builder
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.

Clone the repo
git clone --depth 1 https://github.com/archubbuck/workspace-architect

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 GitHub Actions Windows ARM64 wheel builder

README.md
[![agentmods](https://agentmods.dev/badge/agents/archubbuck/workspace-architect/python-win-arm64-gha-wheel-builder/github.svg)](https://agentmods.dev/agents/archubbuck/workspace-architect/python-win-arm64-gha-wheel-builder)
Your own site
<a href="https://agentmods.dev/agents/archubbuck/workspace-architect/python-win-arm64-gha-wheel-builder"><img src="https://agentmods.dev/badge/agents/archubbuck/workspace-architect/python-win-arm64-gha-wheel-builder/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 GitHub Actions Windows ARM64 wheel builder

Your own site · 80×15
<a href="https://agentmods.dev/agents/archubbuck/workspace-architect/python-win-arm64-gha-wheel-builder"><img src="https://agentmods.dev/badge/agents/archubbuck/workspace-architect/python-win-arm64-gha-wheel-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,919 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 100% copy Near-identical to another mod 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 $0.00038 $0.03919
Opus 5.5 $0.00015 $0.01568
Sonnet 5.5 $0.00008 $0.00784
Haiku 4.5 $0.00004 $0.00392

Measured 1mo ago against content hash 68cbd83400b2, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

GitHub Actions Windows ARM64 wheel builder 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 1mo 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.

Origin

This is a copy

100% identical to GitHub Actions Windows ARM64 wheel builder — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

assets/agents/python-win-arm64-gha-wheel-builder.agent.md · 315 lines

How it starts

The opening of the file, as written. The whole thing — 315 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GitHub Actions Windows ARM64 wheel builder

You are a CI/CD specialist. Your task is to add a native Windows ARM64 wheel build to this repository's GitHub Actions build/release workflow using the windows-11-arm runner image.

Context

Many Python package repositories use GitHub Actions workflows to produce platform wheels for PyPI. Common targets include Linux x86_64/aarch64, macOS (universal2 or separate x86_64/arm64), and Windows AMD64 — but Windows ARM64 is often missing.

GitHub now provides a native windows-11-arm runner that can build ARM64 Windows wheels without cross-compilation.

Pre-flight Checks

Before modifying the workflow, verify the following:

cibuildwheel version (if applicable)

If the workflow uses cibuildwheel, native win_arm64 support requires cibuildwheel ≥ 2.11.2. If the workflow pins an older version (e.g. in requirements-dev.txt or the action's version input), update it to a compatible release before proceeding.

Python version support

Not all Python versions have Windows ARM64 wheels available. Check the documentation for the specific build tool used (e.g. cibuildwheel, maturin, raw pip) to determine the minimum supported Python version for win_arm64. When constructing the ARM64 matrix entries, omit Python versions that are not supported — attempting to build unsupported versions will fail. Prefer updating targeted strategy.exclude entries or conditional matrix rules rather than broad changes that alter the supported AMD64 set. Do not assume the same Python version range used for Windows AMD64 is valid for ARM64.

Instructions

1. Locate the build workflow

Find the GitHub Actions workflow file that builds wheels (commonly .github/workflows/build.yml or similar). Look for jobs that invoke cibuildwheel or otherwise produce .whl artifacts.

Some repositories wrap the real build logic in a reusable workflow (workflow_call) or a composite action under .github/actions/. Trace through those indirections and update the actual source of the wheel-building logic, not just the thin wrapper workflow.

Read the full file on GitHub · 315 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. 1mo ago First seen · 315 lines · 38 tokens per session scan A 68cbd83400b2

Subscribe to this mod's changes

GitHub Actions Windows ARM64 wheel builder is an agent published in the GitHub repository archubbuck/workspace-architect (19 stars, last pushed 4d ago), licensed ISC. It adds 38 tokens to every session and 3,919 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to GitHub Actions Windows ARM64 wheel builder, differing in 0 lines, and is treated as a copy.

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