# validate
<a name="resource-type-cli-validate"></a>

## Description
<a name="resource-type-cli-validate-description"></a>

Validates a project's specification against the appropriate extension schema.

## Synopsis
<a name="resource-type-cli-validate-synopsis"></a>

```
$ cfn validate
```

## Examples
<a name="resource-type-cli-validate-examples"></a>

The following command validates the extension type project.

```
$ cfn validate
```

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS CloudFormation. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query cloudformation-cli` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).