insiderx-pro/desktop-pet-engine/build-macos-desktop-pet

Claude Code and agent skill by insiderx-pro/desktop-pet-engine

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Build, customize, audit, and package native macOS desktop-pet apps from owned or licensed image/video assets. Use when Codex needs to create an AppKit transparent floating pet, convert transparent/green-screen/black-screen animation clips into PNG frame packs, replace pet actions, prepare a universal macOS app, separate a public open-source engine from restricted demo assets, or inspect a desktop-pet repository before public release.

Install

npx vskill@latest install insiderx-pro/desktop-pet-engine/build-macos-desktop-pet

SKILL.md

Build macOS Desktop Pet

Create rights-safe native macOS desktop pets from the bundled public template. Keep private or restricted character demos outside public repositories.

Workflow

  1. Inspect the workspace before copying files.
  • Locate existing source, asset manifests, animation sources, build scripts, licenses, credentials, local paths, and generated artifacts.
  • Identify who owns each visual, audio, name, logo, costume, and reference image.
  • Treat a recognizable real person, brand, team, or protected character as third-party material even when the drawing or animation itself is original.
  1. Choose the distribution lane.
  • Public/open source: include only generic code and owned or redistributable demo assets.
  • Restricted demo: isolate it in a separate private directory/repository and follow references/restricted-demo.md.
  • Never present a disclaimer, noncommercial label, or "do not redistribute" notice as a substitute for consent or a license.
  1. Start a clean public project.
  • Run scripts/create_from_template.py --target <path> --app-name <name> --bundle-id <id>.
  • Do not initialize a public repository from a private character workspace with sensitive history.
  • Keep the bundled Blob frames until the user's replacement assets pass validation.
  1. Prepare animation assets.
  • Read references/asset-pipeline.md.
  • Copy assets_config.example.json to assets_config.json in the output project.
  • Use absolute source paths only in the ignored local config.
  • Run the template's scripts/preprocess_assets.py for owned/authorized clips.
  • Inspect representative first, middle, and final frames for edge halos, clipping, scale drift, anatomy changes, and background leakage.
  1. Adapt behavior and identity.
  • Update PetAction.swift when adding or removing actions.
  • Keep AssetCatalog.validateRequiredAssets() synchronized with the shipped actions.
  • Replace the display name, bundle ID, About text, menu labels, icon, and asset provenance.
  • Preserve transparent hit testing and click-through behavior unless the user explicitly requests another interaction model.
  • When adding system cursor themes, read references/cursor-themes.md.
  • Keep cursor artwork in the same owned/licensed asset lane as character art. Never copy restricted demo .cape files into the public template.
  • Treat Mousecape as an optional, separately installed dependency. Do not bundle it or imply that this project's Apache-2.0 license overrides its upstream terms.
  1. Build and verify.
  • Run scripts/check_demo.sh in the output project.
  • Run the built executable with --cursor-self-test when cursor themes are configured.
  • Require x86_64 and arm64 for a general macOS release unless the user explicitly limits architectures.
  • Check idle CPU, memory growth across every action, multi-display placement, Spaces/full-screen behavior, sleep/wake, and first-run installation.
  1. Audit before publication.
  • Run scripts/audit_public_release.py <path> and add --deny-term <term> for every private person, brand, project name, or internal codename that must not appear.
  • Read references/release-checklist.md.
  • Do not publish when the audit finds credentials, signed URLs, authentication QR codes, local paths, restricted assets, or unclear licensing.
  1. Package only within the user's requested scope.
  • Local builds may use ad-hoc signing.
  • Public binary releases should use the user's Developer ID and Apple notarization credentials; do not request or expose private keys.
  • Do not upload, publish, or create a public repository unless the user explicitly asks for that external action.

Bundled resources

  • assets/desktop-pet-engine/: runnable Apache-2.0 AppKit template with original programmatic Blob frames.
  • scripts/create_from_template.py: safely copy and rename the template.
  • scripts/audit_public_release.py: scan a release tree for sensitive content and user-specified restricted terms.
  • references/asset-pipeline.md: frame-pack and preprocessing details.
  • references/cursor-themes.md: configuration, validation, dependency, and rights guidance for cursor themes.
  • references/release-checklist.md: public source/binary release checks.
  • references/restricted-demo.md: isolation and access rules for private demos.

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