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+# CLI
+
+TinyPNG provides several CLI commands allowing you to automate actions on your website.
+
+## Commands
+
+### `wp tiny optimize`
+
+Optimizes images in the WordPress media library.  
+When run without arguments, all images that have not yet been optimized are processed. You can also target specific attachments by providing a comma-separated list of attachment IDs.
+
+**Options**
+
+| Option | Description |
+|---|---|
+| `--attachments=<ids>` | Comma-separated list of attachment IDs to optimize. Omit to optimize all unoptimized images. |
+
+**Examples**
+
+Optimize all unoptimized images:
+
+```bash
+wp tiny optimize
+```
+
+Optimize specific attachments by ID:
+
+```bash
+wp tiny optimize --attachments=532,603,705
+```
+
+**Output**
+
+Skipped attachments (invalid or unsupported file types) are reported as warnings. When finished, a summary shows how many images were successfully optimized.
+
+```
+Optimizing 3 images.
+Optimizing images: 100% (3 of 3)
+Success: Done! Optimized 3 of 3 images.
+```
diff --git a/docs/index.md b/docs/index.md
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+++ b/docs/index.md
@@ -7,3 +7,4 @@ Welcome to the developer documentation of the Tinify WordPress plugin.
 - [Hooks](hooks/index.md)
   - [Actions](hooks/index.md#actions)
   - [Filters](filters/index.md#filters)
+- [CLI](cli/index.md)