You can edit shadcn/ui component files with the tools you normally use for your project. The “code is yours” idea means the CLI installs source files into your project rather than keeping components behind a hosted service. If a component seems uneditable, first check whether you are looking at the right file, whether the CLI declined to overwrite an existing file, or whether the component was installed in a different project folder.
What “the code is yours” means
In the documented workflow, shadcn/ui’s CLI adds component files and dependencies to your project. Once those files are there, you can change them like other project source code. The CLI is used to install and inspect code; it is not an editor that locks the installed files. The official CLI reference describes the add command and its file-related options.
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A registry is a way to distribute code, not a hosted component that must remain untouched. The registry documentation describes running a registry to distribute components and other project files. What gets installed depends on the registry item and the project’s configuration.
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If you cannot find or change a component
“Anything can’t edit it” can describe several different problems. The official documentation explains installation and file inspection, but does not diagnose a particular editor, operating system, or project error. Start by locating the file rather than assuming it is locked.
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- Check the project you opened. Make sure your editor has the intended repository or workspace open, not a sibling project or a different copy.
- Search the repository for the component name. The installed file may not be in the folder you expected.
- Check the configured component paths and project layout. In a monorepo, a component may live in a UI package while a page or block spans that package and an application directory. The monorepo guide illustrates these different destinations.
- Inspect the installed item and its files. Registry contents are not limited to official React components; they may include source files, configuration, documentation, templates, workflows, or rules. Review what the item provides before assuming it is a single component file.
These checks are diagnostic suggestions, not a universal fix: the right path depends on the project and the item being installed.
If the CLI refuses to replace a file
Editing a file yourself and asking the CLI to replace it are separate actions. The CLI reference lists --overwrite as an option whose default is false. A refusal to replace an existing file therefore does not mean the file is locked; it means the add operation has not been told to overwrite it.
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Before writing or replacing files, the CLI also provides ways to inspect what is involved:
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Use the previews to understand what an install or update would change before choosing whether to overwrite. These options describe the documented CLI; they do not guarantee how every third-party registry or future update behaves, so keep changes you want to preserve under version control.
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Official items and custom registries
You can install an official item by its component name, or use a custom or GitHub registry. The difference is mainly where the item comes from and what it is configured to deliver—not whether the resulting project files are inherently editable.
| Workflow | Source | What to check before installation | Inspection |
|---|---|---|---|
| Install an official item by name | The official shadcn/ui project | Where the item will be placed in your project and which dependencies it needs | The CLI documents --view, --diff, and --dry-run |
| Install from a custom or GitHub registry | A registry you or another repository provides | Who maintains the source, which files it includes, its destination, and any dependencies | The same documented CLI inspection options are available; review third-party code before installing it |
The GitHub registry documentation explains how a GitHub repository can act as a source registry when its registry.json describes files for the CLI to install. The official Registry Directory warns users to review registry code. Treat a registry as a delivery format and inspect its contents before adding them to your project.
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Why upstream source and installed files can differ
The source maintained by a registry and the generated files distributed for installation are related, but they are not necessarily the same view of the workflow. The contribution guide identifies the v4 registry source and describes generated installable output. That distinction helps explain why searching upstream for a file may not show the same path or form as the file installed in your app.
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteA community discussion about Create-page examples offers one example of blocks being distributed through the registry and then edited locally. It is useful as an illustration, not as an official guarantee about the name or destination of any particular current block. See the community discussion and confirm the item’s actual files in your project.
What the documentation does—and does not—promise
The official materials establish that the CLI installs files, that it offers inspection and preview controls, and that destinations can vary with project setup. They do not promise that every editor will recognize every registry item, specify one universal installation path, diagnose a particular project error, or guarantee automatic synchronization between your local edits and upstream source. If a file still cannot be changed after you locate it, check your editor’s workspace and the file’s actual permissions or project configuration; the shadcn/ui installation model alone does not identify the cause.
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