Give a desktop window only the capabilities it needs

A window is not a universal native client

Tauri capabilities provide a way to describe permissions available to windows or webviews. The framework documentation explains how capabilities relate to access to core and plugin operations. This is useful when a desktop product contains several surfaces with different responsibilities. The permission design should follow those responsibilities rather than treating every screen as an equally trusted native entry point. [1]

Map operations to surfaces

List the native actions required by each surface. An import window may need a file selection workflow, while a result viewer may only need prepared output. Define which commands and plugins each operation requires. Keep a note explaining why the permission is needed so later additions can be reviewed against the same intent.

Our suggested review pairs the capability configuration with a few observable journeys. Check the permitted action, the behavior when access is unavailable, and what happens when a window opens an unexpected resource. Test the packaged application as well as development mode. Keep external content and internal application state clearly distinguished in the architecture.

Make changes reviewable

When a feature needs a broader native operation, update the capability description and its associated checks together. Avoid copying an unrestricted example configuration into production simply because it makes a demo work. A clear permission boundary helps the team understand which interface can affect local resources. It also makes maintenance easier because a new screen can be designed from its actual responsibility instead of inheriting every power from an existing one.