doppelt.digital Application Platform Documentation
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Preparation

The local app (setup app)

Set up your machine, clone projects, and open them in your IDE – all from one desktop app.

On this page

The setup app is the platform’s desktop companion for macOS, Windows, and Linux. Get it from the download page.

Signing in

After starting the app, sign in with your Application Platform account. The app then loads your organizations and projects.

The three areas

Projects

  • Select a project and clone it: all repositories of the project are cloned into your workspace folder (default: ~/Documents/application-platform) or updated.
  • The app sets up everything else automatically: the ap CLI, the Git pre-commit hook, symlinks for the shared IDE/AI configuration from local-configuration, and the platform extension for VS Code, Cursor, and Antigravity.
  • Open the project in your tool: with one click in the IDE or AI tool of your choice. Change the default tool in the settings – see Choose your program.

Developer setup

Checks your machine and installs missing tools – from Git and runtimes (Node, Flutter, Java, …) to IDEs and AI tools. The full list is in Requirements. Each entry shows its status; install tools individually or all at once.

Settings

  • Choose the default tool for opening projects (e.g. VS Code).
  • Configure your Git identity (name, email) and credentials.
  • Open the workspace folder, copy its path, check versions of app, CLI, and extension.
Warning
On a Mac, don’t place your workspace folder inside an iCloud-synced folder – the app warns about this because syncing can break Git repositories and symlinks.

Updates

The app checks for new versions itself and offers the download. The ap CLI also keeps itself up to date (ap cli-update check).

CLI: ap-app vs ap

Besides the GUI there is the setup CLI ap-app (Dart, shared core with the desktop app). Use it to drive the same setup steps headlessly – e.g. for tests or automation:

ap-app tools status
ap-app tools install asdf-plugin-hugo
ap-app tools uninstall asdf-plugin-hugo
ap-app auth login
ap-app projects clone <org>/<project>
ap-app remote-dev status
CLI Purpose
ap-app Setup: tools, Platform App login session, project clone, remote-dev agent
ap Runtime: ap run-local, devices, Git hooks, Platform API, MCP

GUI and ap-app share the auth session via the same file store (~/Library/Application Support/application-platform/ap-app/session.json on macOS, otherwise ~/.config/application-platform/ap-app/session.json). The Go CLI ap login still uses its own credential store.

See also