diff --git a/composer.json b/composer.json
index 21d853c5..67b00871 100644
--- a/composer.json
+++ b/composer.json
@@ -63,6 +63,9 @@
             "comment unspam",
             "comment untrash",
             "comment update",
+            "block",
+            "block get",
+            "block list",
             "menu",
             "menu create",
             "menu delete",
@@ -96,6 +99,9 @@
             "option update",
             "option set-autoload",
             "option get-autoload",
+            "pattern",
+            "pattern get",
+            "pattern list",
             "post",
             "post create",
             "post delete",
@@ -103,6 +109,8 @@
             "post exists",
             "post generate",
             "post get",
+            "post has-block",
+            "post has-blocks",
             "post list",
             "post meta",
             "post meta add",
@@ -113,6 +121,8 @@
             "post meta patch",
             "post meta pluck",
             "post meta update",
+            "post parse-blocks",
+            "post render-blocks",
             "post term",
             "post term add",
             "post term list",
diff --git a/entity-command.php b/entity-command.php
index 6cb54ff3..827326aa 100644
--- a/entity-command.php
+++ b/entity-command.php
@@ -92,3 +92,28 @@
 		},
 	)
 );
+
+// Block and pattern commands require WordPress 5.0+.
+WP_CLI::add_command(
+	'block',
+	'Block_Command',
+	array(
+		'before_invoke' => function () {
+			if ( Utils\wp_version_compare( '5.0', '<' ) ) {
+				WP_CLI::error( 'Requires WordPress 5.0 or greater.' );
+			}
+		},
+	)
+);
+
+WP_CLI::add_command(
+	'pattern',
+	'Pattern_Command',
+	array(
+		'before_invoke' => function () {
+			if ( Utils\wp_version_compare( '5.5', '<' ) ) {
+				WP_CLI::error( 'Requires WordPress 5.5 or greater.' );
+			}
+		},
+	)
+);
diff --git a/features/block.feature b/features/block.feature
new file mode 100644
index 00000000..a3066df8
--- /dev/null
+++ b/features/block.feature
@@ -0,0 +1,71 @@
+Feature: Manage WordPress block types
+
+  Background:
+    Given a WP install
+
+  @require-wp-5.0
+  Scenario: Listing block types
+    When I run `wp block list --format=csv`
+    Then STDOUT should contain:
+      """
+      name,title
+      """
+    And STDOUT should contain:
+      """
+      core/paragraph
+      """
+
+  @require-wp-5.0
+  Scenario: Listing block types with specific fields
+    When I run `wp block list --fields=name,title,category`
+    Then STDOUT should be a table containing rows:
+      | name            | title     | category |
+      | core/paragraph  | Paragraph | text     |
+
+  @require-wp-5.0
+  Scenario: Getting a specific block type
+    When I run `wp block get core/paragraph --fields=name,title,category`
+    Then STDOUT should be a table containing rows:
+      | Field    | Value     |
+      | name     | core/paragraph |
+      | title    | Paragraph |
+      | category | text      |
+
+  @require-wp-5.0
+  Scenario: Getting a non-existent block type
+    When I try `wp block get core/nonexistent-block`
+    Then STDERR should contain:
+      """
+      Error: Block type 'core/nonexistent-block' is not registered.
+      """
+    And the return code should be 1
+
+  @require-wp-5.0
+  Scenario: Getting a specific field from a block type
+    When I run `wp block get core/paragraph --field=title`
+    Then STDOUT should be:
+      """
+      Paragraph
+      """
+
+  @require-wp-5.0
+  Scenario: Listing block types in JSON format
+    When I run `wp block list --format=json`
+    Then STDOUT should contain:
+      """
+      {"name":"core\/paragraph","title":"Paragraph","description":"Start with the basic building block of all narrative.","category":"text"}
+      """
+
+  @require-wp-5.0
+  Scenario: Count block types
+    When I run `wp block list --format=count`
+    Then STDOUT should match /^\d+$/
+
+  @less-than-wp-5.0
+  Scenario: Block commands require WordPress 5.0+
+    When I try `wp block list`
+    Then STDERR should contain:
+      """
+      Error: Requires WordPress 5.0 or greater.
+      """
+    And the return code should be 1
diff --git a/features/pattern.feature b/features/pattern.feature
new file mode 100644
index 00000000..89eaf790
--- /dev/null
+++ b/features/pattern.feature
@@ -0,0 +1,57 @@
+Feature: Manage WordPress block patterns
+
+  Background:
+    Given a WP install
+
+  @require-wp-5.5
+  Scenario: Listing block patterns
+    When I run `wp pattern list --format=csv`
+    Then STDOUT should contain:
+      """
+      name,title
+      """
+
+    When I run `wp pattern list --format=json`
+    Then STDOUT should be JSON containing:
+    """
+    [{"name":"core\/query-standard-posts","title":"Standard"}]
+    """
+
+  @require-wp-5.5
+  Scenario: Filtering block patterns by category
+    When I run `wp pattern list --category=buttons --format=count`
+    Then STDOUT should match /^\d+$/
+
+  @require-wp-5.5
+  Scenario: Getting a specific block pattern
+    When I run `wp pattern list --format=csv --fields=name`
+    Then STDOUT should contain:
+      """
+      name
+      """
+
+    When I run `wp pattern list --format=count`
+    Then STDOUT should match /^\d+$/
+
+  @require-wp-5.5
+  Scenario: Getting a non-existent block pattern
+    When I try `wp pattern get nonexistent/pattern`
+    Then STDERR should contain:
+      """
+      Error: Block pattern 'nonexistent/pattern' is not registered.
+      """
+    And the return code should be 1
+
+  @require-wp-5.5
+  Scenario: Count block patterns
+    When I run `wp pattern list --format=count`
+    Then STDOUT should match /^\d+$/
+
+  @less-than-wp-5.0
+  Scenario: Pattern commands require WordPress 5.5+
+    When I try `wp pattern list`
+    Then STDERR should contain:
+      """
+      Error: Requires WordPress 5.5 or greater.
+      """
+    And the return code should be 1
diff --git a/features/post-blocks.feature b/features/post-blocks.feature
new file mode 100644
index 00000000..8bad21ce
--- /dev/null
+++ b/features/post-blocks.feature
@@ -0,0 +1,106 @@
+Feature: Manage WordPress post blocks
+
+  Background:
+    Given a WP install
+
+  @require-wp-5.0
+  Scenario: Check if a post has blocks
+    When I run `wp post create --post_title='Block post' --post_content='<!-- wp:paragraph --><p>Hello World</p><!-- /wp:paragraph -->' --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {POST_ID}
+
+    When I run `wp post has-blocks {POST_ID}`
+    Then STDOUT should contain:
+      """
+      Success: Post {POST_ID} has blocks.
+      """
+    And the return code should be 0
+
+  @require-wp-5.0
+  Scenario: Check if a post does not have blocks
+    When I run `wp post create --post_title='Regular post' --post_content='<p>Hello World</p>' --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {POST_ID}
+
+    When I try `wp post has-blocks {POST_ID}`
+    Then STDERR should be empty
+    And the return code should be 1
+
+  @require-wp-5.0
+  Scenario: Check if a post contains a specific block type
+    When I run `wp post create --post_title='Block post' --post_content='<!-- wp:paragraph --><p>Hello World</p><!-- /wp:paragraph -->' --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {POST_ID}
+
+    When I run `wp post has-block {POST_ID} core/paragraph`
+    Then STDOUT should contain:
+      """
+      Success: Post {POST_ID} contains the block 'core/paragraph'.
+      """
+    And the return code should be 0
+
+    When I try `wp post has-block {POST_ID} core/image`
+    Then STDERR should be empty
+    And the return code should be 1
+
+  @require-wp-5.0
+  Scenario: Parse blocks from a post
+    When I run `wp post create --post_title='Block post' --post_content='<!-- wp:paragraph --><p>Hello World</p><!-- /wp:paragraph -->' --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {POST_ID}
+
+    When I run `wp post parse-blocks {POST_ID}`
+    Then STDOUT should be JSON containing:
+      """
+      [
+          {
+              "blockName": "core/paragraph",
+              "attrs": [],
+              "innerBlocks": [],
+              "innerHTML": "<p>Hello World</p>",
+              "innerContent": [
+                  "<p>Hello World</p>"
+              ]
+          }
+      ]
+      """
+
+    When I run `wp post parse-blocks {POST_ID} --format=yaml`
+    Then STDOUT should contain:
+      """
+      blockName:
+      """
+    And STDOUT should contain:
+      """
+      core/paragraph
+      """
+
+  @require-wp-5.0
+  Scenario: Render blocks from a post
+    When I run `wp post create --post_title='Block post' --post_content='<!-- wp:paragraph --><p>Hello World</p><!-- /wp:paragraph -->' --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {POST_ID}
+
+    When I run `wp post render-blocks {POST_ID}`
+    Then STDOUT should contain:
+      """
+      <p>Hello World</p>
+      """
+
+  @require-wp-5.0
+  Scenario: Post get command includes block_version field
+    When I run `wp post create --post_title='Block post' --post_content='<!-- wp:paragraph --><p>Hello World</p><!-- /wp:paragraph -->' --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {POST_ID}
+
+    When I run `wp post get {POST_ID} --field=block_version`
+    Then STDOUT should match /^\d+$/
+
+  @less-than-wp-5.0
+  Scenario: Post block commands require WordPress 5.0+
+    When I try `wp post has-blocks 1`
+    Then STDERR should contain:
+      """
+      Error: This command requires WordPress 5.0 or greater.
+      """
+    And the return code should be 1
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 2df6f26d..287aec77 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -69,6 +69,8 @@
 		<exclude-pattern>*/src/Site(_Meta|_Option)?_Command\.php$</exclude-pattern>
 		<exclude-pattern>*/src/Term(_Meta)?_Command\.php$</exclude-pattern>
 		<exclude-pattern>*/src/User(_Application_Password|_Meta|_Session|_Term)?_Command\.php$</exclude-pattern>
+		<exclude-pattern>*/src/Block_Command\.php$</exclude-pattern>
+		<exclude-pattern>*/src/Pattern_Command\.php$</exclude-pattern>
 	</rule>
 
 	<!-- Whitelisting to provide backward compatibility to classes possibly extending this class. -->
diff --git a/src/Block_Command.php b/src/Block_Command.php
new file mode 100644
index 00000000..c2b85380
--- /dev/null
+++ b/src/Block_Command.php
@@ -0,0 +1,219 @@
+<?php
+
+use WP_CLI\Formatter;
+
+/**
+ * Manages block types.
+ *
+ * Lists and gets information about registered block types in the WordPress block editor.
+ *
+ * ## EXAMPLES
+ *
+ *     # List all registered block types
+ *     $ wp block list --format=csv
+ *     name,title,description,category
+ *     core/paragraph,Paragraph,"Start with the building block of all narrative.",text
+ *
+ *     # Get details about a specific block type
+ *     $ wp block get core/paragraph --fields=name,title,category
+ *     +----------+-----------+------+
+ *     | name     | title     | category |
+ *     +----------+-----------+------+
+ *     | core/paragraph | Paragraph | text |
+ *     +----------+-----------+------+
+ *
+ * @package wp-cli
+ */
+class Block_Command extends WP_CLI_Command {
+
+	private $fields = [
+		'name',
+		'title',
+		'description',
+		'category',
+	];
+
+	/**
+	 * Lists registered block types.
+	 *
+	 * ## OPTIONS
+	 *
+	 * [--field=<field>]
+	 * : Prints the value of a single field for each block type.
+	 *
+	 * [--fields=<fields>]
+	 * : Limit the output to specific block type fields.
+	 *
+	 * [--format=<format>]
+	 * : Render output in a particular format.
+	 * ---
+	 * default: table
+	 * options:
+	 *   - table
+	 *   - csv
+	 *   - json
+	 *   - count
+	 *   - yaml
+	 * ---
+	 *
+	 * ## AVAILABLE FIELDS
+	 *
+	 * These fields will be displayed by default for each block type:
+	 *
+	 * * name
+	 * * title
+	 * * description
+	 * * category
+	 *
+	 * These fields are optionally available:
+	 *
+	 * * parent
+	 * * icon
+	 * * keywords
+	 * * textdomain
+	 * * supports
+	 * * styles
+	 * * variations
+	 * * api_version
+	 * * editor_script
+	 * * editor_style
+	 * * script
+	 * * style
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # List all registered block types
+	 *     $ wp block list
+	 *     +-------------------+-------------------+----------------------------------------+----------+
+	 *     | name              | title             | description                            | category |
+	 *     +-------------------+-------------------+----------------------------------------+----------+
+	 *     | core/paragraph    | Paragraph         | Start with the building block of all.. | text     |
+	 *     | core/heading      | Heading           | Introduce new sections and organize... | text     |
+	 *     +-------------------+-------------------+----------------------------------------+----------+
+	 *
+	 *     # List all block types with 'text' category
+	 *     $ wp block list --format=csv
+	 *     name,title,description,category
+	 *     core/paragraph,Paragraph,"Start with the building block of all narrative.",text
+	 *
+	 * @subcommand list
+	 */
+	public function list_( $args, $assoc_args ) {
+		$registry = WP_Block_Type_Registry::get_instance();
+		$blocks   = $registry->get_all_registered();
+
+		$items = [];
+		foreach ( $blocks as $block ) {
+			$items[] = $this->prepare_block_for_output( $block );
+		}
+
+		$formatter = $this->get_formatter( $assoc_args );
+		$formatter->display_items( $items );
+	}
+
+	/**
+	 * Gets details about a registered block type.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <name>
+	 * : Block type name (e.g., core/paragraph).
+	 *
+	 * [--field=<field>]
+	 * : Instead of returning the whole block type, returns the value of a single field.
+	 *
+	 * [--fields=<fields>]
+	 * : Limit the output to specific fields. Defaults to all fields.
+	 *
+	 * [--format=<format>]
+	 * : Render output in a particular format.
+	 * ---
+	 * default: table
+	 * options:
+	 *   - table
+	 *   - csv
+	 *   - json
+	 *   - yaml
+	 * ---
+	 *
+	 * ## AVAILABLE FIELDS
+	 *
+	 * * name
+	 * * title
+	 * * description
+	 * * category
+	 * * parent
+	 * * icon
+	 * * keywords
+	 * * textdomain
+	 * * supports
+	 * * styles
+	 * * variations
+	 * * api_version
+	 * * editor_script
+	 * * editor_style
+	 * * script
+	 * * style
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Get details about the core/paragraph block type.
+	 *     $ wp block get core/paragraph --fields=name,title,category
+	 *     +----------------+-----------+----------+
+	 *     | name           | title     | category |
+	 *     +----------------+-----------+----------+
+	 *     | core/paragraph | Paragraph | text     |
+	 *     +----------------+-----------+----------+
+	 */
+	public function get( $args, $assoc_args ) {
+		$block_name = $args[0];
+		$registry   = WP_Block_Type_Registry::get_instance();
+		$block      = $registry->get_registered( $block_name );
+
+		if ( ! $block ) {
+			WP_CLI::error( "Block type '{$block_name}' is not registered." );
+		}
+
+		$data = $this->prepare_block_for_output( $block );
+
+		$formatter = $this->get_formatter( $assoc_args );
+		$formatter->display_item( $data );
+	}
+
+	/**
+	 * Prepares block data for output.
+	 *
+	 * @param WP_Block_Type $block Block type object.
+	 * @return array Prepared block data.
+	 */
+	private function prepare_block_for_output( $block ) {
+		return [
+			'name'          => $block->name,
+			'title'         => $block->title ?? '', // @phpstan-ignore-line (added in WP 5.5)
+			'description'   => $block->description ?? '', // @phpstan-ignore-line (added in WP 5.5)
+			'category'      => $block->category ?? '',
+			'parent'        => $block->parent ?? null,
+			'icon'          => $block->icon ?? '',
+			'keywords'      => $block->keywords ?? [], // @phpstan-ignore-line (added in WP 5.5)
+			'textdomain'    => $block->textdomain ?? '',
+			'supports'      => $block->supports ?? [],
+			'styles'        => $block->styles ?? [], // @phpstan-ignore-line (added in WP 5.5)
+			'variations'    => $block->variations ?? [], // added in WP 5.8 and replaced with magic getter in 6.1
+			'api_version'   => $block->api_version ?? 1, // @phpstan-ignore-line (added in WP 5.6)
+			'editor_script' => $block->editor_script ?? '',
+			'editor_style'  => $block->editor_style ?? '',
+			'script'        => $block->script ?? '',
+			'style'         => $block->style ?? '',
+		];
+	}
+
+	/**
+	 * Gets a formatter instance.
+	 *
+	 * @param array $assoc_args Associative arguments.
+	 * @return Formatter Formatter instance.
+	 */
+	private function get_formatter( &$assoc_args ) {
+		return new Formatter( $assoc_args, $this->fields, 'block' );
+	}
+}
diff --git a/src/Pattern_Command.php b/src/Pattern_Command.php
new file mode 100644
index 00000000..fe2b2b23
--- /dev/null
+++ b/src/Pattern_Command.php
@@ -0,0 +1,212 @@
+<?php
+
+use WP_CLI\Formatter;
+
+/**
+ * Manages block patterns.
+ *
+ * Lists and gets information about registered block patterns.
+ *
+ * ## EXAMPLES
+ *
+ *     # List all registered block patterns
+ *     $ wp pattern list
+ *     +---------------------------+---------------------------+
+ *     | name                      | title                     |
+ *     +---------------------------+---------------------------+
+ *     | core/text-three-columns   | Three Columns of Text     |
+ *     +---------------------------+---------------------------+
+ *
+ *     # Get details about a specific block pattern
+ *     $ wp pattern get core/text-three-columns
+ *
+ * @package wp-cli
+ */
+class Pattern_Command extends WP_CLI_Command {
+
+	private $fields = array(
+		'name',
+		'title',
+	);
+
+	/**
+	 * Lists registered block patterns.
+	 *
+	 * ## OPTIONS
+	 *
+	 * [--category=<category>]
+	 * : Filter patterns by category slug.
+	 *
+	 * [--field=<field>]
+	 * : Prints the value of a single field for each pattern.
+	 *
+	 * [--fields=<fields>]
+	 * : Limit the output to specific pattern fields.
+	 *
+	 * [--format=<format>]
+	 * : Render output in a particular format.
+	 * ---
+	 * default: table
+	 * options:
+	 *   - table
+	 *   - csv
+	 *   - json
+	 *   - count
+	 *   - yaml
+	 *   - ids
+	 * ---
+	 *
+	 * ## AVAILABLE FIELDS
+	 *
+	 * These fields will be displayed by default for each pattern:
+	 *
+	 * * name
+	 * * title
+	 *
+	 * These fields are optionally available:
+	 *
+	 * * description
+	 * * content
+	 * * categories
+	 * * keywords
+	 * * viewportWidth
+	 * * blockTypes
+	 * * inserter
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # List all registered block patterns
+	 *     $ wp pattern list
+	 *     +---------------------------+---------------------------+
+	 *     | name                      | title                     |
+	 *     +---------------------------+---------------------------+
+	 *     | core/text-three-columns   | Three Columns of Text     |
+	 *     +---------------------------+---------------------------+
+	 *
+	 *     # List patterns in a specific category
+	 *     $ wp pattern list --category=buttons
+	 *
+	 *     # List patterns with all fields
+	 *     $ wp pattern list --format=json
+	 *
+	 * @subcommand list
+	 */
+	public function list_( $args, $assoc_args ) {
+		$registry = WP_Block_Patterns_Registry::get_instance();
+		$patterns = $registry->get_all_registered();
+
+		// Filter by category if specified.
+		if ( isset( $assoc_args['category'] ) ) {
+			$category = $assoc_args['category'];
+			$patterns = array_filter(
+				$patterns,
+				function ( $pattern ) use ( $category ) {
+					return isset( $pattern['categories'] ) && in_array( $category, $pattern['categories'], true );
+				}
+			);
+			unset( $assoc_args['category'] );
+		}
+
+		$items = array();
+		foreach ( $patterns as $pattern ) {
+			$items[] = $this->prepare_pattern_for_output( $pattern );
+		}
+
+		$formatter = $this->get_formatter( $assoc_args );
+		$formatter->display_items( $items );
+	}
+
+	/**
+	 * Gets details about a registered block pattern.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <name>
+	 * : Pattern name.
+	 *
+	 * [--field=<field>]
+	 * : Instead of returning the whole pattern, returns the value of a single field.
+	 *
+	 * [--fields=<fields>]
+	 * : Limit the output to specific fields. Defaults to all fields.
+	 *
+	 * [--format=<format>]
+	 * : Render output in a particular format.
+	 * ---
+	 * default: table
+	 * options:
+	 *   - table
+	 *   - csv
+	 *   - json
+	 *   - yaml
+	 * ---
+	 *
+	 * ## AVAILABLE FIELDS
+	 *
+	 * * name
+	 * * title
+	 * * description
+	 * * content
+	 * * categories
+	 * * keywords
+	 * * viewportWidth
+	 * * blockTypes
+	 * * inserter
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Get details about a specific block pattern.
+	 *     $ wp pattern get core/text-three-columns
+	 *     +-------------+---------------------------+
+	 *     | Field       | Value                     |
+	 *     +-------------+---------------------------+
+	 *     | name        | core/text-three-columns   |
+	 *     | title       | Three Columns of Text     |
+	 *     | description | ...                       |
+	 *     +-------------+---------------------------+
+	 */
+	public function get( $args, $assoc_args ) {
+		$pattern_name = $args[0];
+		$registry     = WP_Block_Patterns_Registry::get_instance();
+		$pattern      = $registry->get_registered( $pattern_name );
+
+		if ( ! $pattern ) {
+			WP_CLI::error( "Block pattern '{$pattern_name}' is not registered." );
+		}
+
+		$data = $this->prepare_pattern_for_output( $pattern );
+
+		$formatter = $this->get_formatter( $assoc_args );
+		$formatter->display_item( $data );
+	}
+
+	/**
+	 * Prepares pattern data for output.
+	 *
+	 * @param array $pattern Pattern data.
+	 * @return array Prepared pattern data.
+	 */
+	private function prepare_pattern_for_output( $pattern ) {
+		return array(
+			'name'          => $pattern['name'] ?? '',
+			'title'         => $pattern['title'] ?? '',
+			'description'   => $pattern['description'] ?? '',
+			'content'       => $pattern['content'] ?? '',
+			'categories'    => $pattern['categories'] ?? array(),
+			'keywords'      => $pattern['keywords'] ?? array(),
+			'viewportWidth' => $pattern['viewportWidth'] ?? null,
+			'blockTypes'    => $pattern['blockTypes'] ?? array(),
+			'inserter'      => $pattern['inserter'] ?? true,
+		);
+	}
+
+	/**
+	 * Gets a formatter instance.
+	 *
+	 * @param array $assoc_args Associative arguments.
+	 * @return Formatter Formatter instance.
+	 */
+	private function get_formatter( &$assoc_args ) {
+		return new Formatter( $assoc_args, $this->fields, 'pattern' );
+	}
+}
diff --git a/src/Post_Command.php b/src/Post_Command.php
index b8dd833d..26729a4f 100644
--- a/src/Post_Command.php
+++ b/src/Post_Command.php
@@ -434,6 +434,11 @@ public function get( $args, $assoc_args ) {
 			$post_arr['url'] = get_permalink( $post->ID );
 		}
 
+		// Add block_version field if the function exists (WordPress 5.0+).
+		if ( function_exists( 'block_version' ) ) {
+			$post_arr['block_version'] = block_version( $post->post_content );
+		}
+
 		if ( empty( $assoc_args['fields'] ) ) {
 			$assoc_args['fields'] = array_keys( $post_arr );
 		}
@@ -1059,6 +1064,145 @@ public function exists( $args ) {
 		}
 	}
 
+	/**
+	 * Checks whether a post has blocks.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <id>
+	 * : The ID of the post to check.
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Check if post has blocks
+	 *     $ wp post has-blocks 123
+	 *     Success: Post 123 has blocks.
+	 *
+	 * @subcommand has-blocks
+	 */
+	public function has_blocks( $args, $assoc_args ) {
+		if ( ! function_exists( 'has_blocks' ) ) {
+			WP_CLI::error( 'This command requires WordPress 5.0 or greater.' );
+		}
+
+		$post = $this->fetcher->get_check( $args[0] );
+
+		if ( has_blocks( $post->post_content ) ) {
+			WP_CLI::success( "Post {$post->ID} has blocks." );
+		} else {
+			WP_CLI::halt( 1 );
+		}
+	}
+
+	/**
+	 * Checks whether a post contains a specific block type.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <id>
+	 * : The ID of the post to check.
+	 *
+	 * <block>
+	 * : Block type name (e.g., core/paragraph).
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Check if post contains core/paragraph block
+	 *     $ wp post has-block 123 core/paragraph
+	 *     Success: Post 123 contains the block 'core/paragraph'.
+	 *
+	 * @subcommand has-block
+	 */
+	public function has_block( $args, $assoc_args ) {
+		if ( ! function_exists( 'has_block' ) ) {
+			WP_CLI::error( 'This command requires WordPress 5.0 or greater.' );
+		}
+
+		$post       = $this->fetcher->get_check( $args[0] );
+		$block_name = $args[1];
+
+		if ( has_block( $block_name, $post->post_content ) ) {
+			WP_CLI::success( "Post {$post->ID} contains the block '{$block_name}'." );
+		} else {
+			WP_CLI::halt( 1 );
+		}
+	}
+
+	/**
+	 * Parses blocks from a post and returns the block structure.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <id>
+	 * : The ID of the post to parse blocks from.
+	 *
+	 * [--format=<format>]
+	 * : Render output in a particular format.
+	 * ---
+	 * default: json
+	 * options:
+	 *   - json
+	 *   - yaml
+	 * ---
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Parse blocks from post and output as JSON
+	 *     $ wp post parse-blocks 123
+	 *     [{"blockName":"core/paragraph","attrs":{},"innerBlocks":[],"innerHTML":"<p>Hello World</p>","innerContent":["<p>Hello World</p>"]}]
+	 *
+	 *     # Parse blocks and output as YAML
+	 *     $ wp post parse-blocks 123 --format=yaml
+	 *
+	 * @subcommand parse-blocks
+	 */
+	public function parse_blocks( $args, $assoc_args ) {
+		if ( ! function_exists( 'parse_blocks' ) ) {
+			WP_CLI::error( 'This command requires WordPress 5.0 or greater.' );
+		}
+
+		$post   = $this->fetcher->get_check( $args[0] );
+		$blocks = parse_blocks( $post->post_content );
+
+		$fields = [
+			'blockName',
+			'attrs',
+			'innerBlocks',
+			'innerHTML',
+			'innerContent',
+		];
+
+		$formatter = new \WP_CLI\Formatter( $assoc_args, $fields );
+		$formatter->display_items( $blocks );
+	}
+
+	/**
+	 * Renders blocks from a post and returns the final HTML.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <id>
+	 * : The ID of the post to render blocks from.
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Render blocks from post
+	 *     $ wp post render-blocks 123
+	 *     <p>Hello World</p>
+	 *
+	 * @subcommand render-blocks
+	 */
+	public function render_blocks( $args, $assoc_args ) {
+		if ( ! function_exists( 'do_blocks' ) ) {
+			WP_CLI::error( 'This command requires WordPress 5.0 or greater.' );
+		}
+
+		$post = $this->fetcher->get_check( $args[0] );
+		$html = do_blocks( $post->post_content );
+
+		WP_CLI::line( $html );
+	}
+
 	/**
 	 * Convert a date-time string with a hyphen separator to a space separator.
 	 *