diff --git a/composer.json b/composer.json
index 4142a527..3da063d2 100644
--- a/composer.json
+++ b/composer.json
@@ -41,6 +41,8 @@
             "cache flush-group",
             "cache get",
             "cache incr",
+            "cache patch",
+            "cache pluck",
             "cache replace",
             "cache set",
             "cache supports",
@@ -48,9 +50,11 @@
             "transient",
             "transient delete",
             "transient get",
+            "transient list",
+            "transient patch",
+            "transient pluck",
             "transient set",
-            "transient type",
-            "transient list"
+            "transient type"
         ]
     },
     "autoload": {
diff --git a/features/cache-patch.feature b/features/cache-patch.feature
new file mode 100644
index 00000000..770cb14a
--- /dev/null
+++ b/features/cache-patch.feature
@@ -0,0 +1,89 @@
+Feature: Patch command available for the object cache
+
+  Scenario: Nested values from cache can be updated at any depth.
+    Given a WP install
+    And a wp-content/mu-plugins/test-harness.php file:
+      """php
+      <?php
+      $set_foo = function(){
+        wp_cache_set( 'my_key', ['foo' => 'bar'] );
+        wp_cache_set( 'other_key', ['fuz' => 'biz'] );
+
+        $complex_key = (object) [
+            'foo' => (object) [
+                'bar' => (object) [
+                    'baz' => 2,
+                ],
+            ],
+        ];
+        wp_cache_set( 'complex_key', $complex_key );
+      };
+
+      WP_CLI::add_hook( 'before_invoke:cache patch', $set_foo );
+      """
+
+    When I run `wp cache patch insert my_key fuz baz`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'my_key'.
+      """
+
+    When I run `wp cache patch insert complex_key foo bar fuz 34`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'complex_key'.
+      """
+
+    When I try `wp cache patch insert unknown_key foo bar`
+    Then STDERR should be:
+      """
+      Error: Cannot create key "foo" on data type boolean
+      """
+
+    When I run `wp cache patch update my_key foo test`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'my_key'.
+      """
+
+    When I run `wp cache patch update other_key fuz biz`
+    Then STDOUT should be:
+      """
+      Success: Value passed for cache key 'other_key' is unchanged.
+      """
+
+    When I run `wp cache patch update complex_key foo bar baz 34`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'complex_key'.
+      """
+
+    When I try `wp cache patch update unknown_key foo test`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "foo"
+      """
+
+    When I try `wp cache patch update my_key bar test`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "bar"
+      """
+
+    When I run `wp cache patch delete my_key foo`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'my_key'.
+      """
+
+    When I try `wp cache patch delete unknown_key foo`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "foo"
+      """
+
+    When I try `wp cache patch delete my_key bar`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "bar"
+      """
diff --git a/features/cache-pluck.feature b/features/cache-pluck.feature
new file mode 100644
index 00000000..bec68e34
--- /dev/null
+++ b/features/cache-pluck.feature
@@ -0,0 +1,40 @@
+Feature: Pluck command available for the object cache
+
+  Scenario: Nested values from cache can be retrieved at any depth.
+    Given a WP install
+    And a wp-content/mu-plugins/test-harness.php file:
+      """php
+      <?php
+      $set_foo = function(){
+        wp_cache_set( 'my_key', ['foo' => 'bar'] );
+        wp_cache_set( 'my_key_2', ['foo' => ['bar' => 'baz']] );
+        wp_cache_set( 'my_key_3', ['foo' => 'bar_custom'], 'my_custom_group' );
+      };
+
+      WP_CLI::add_hook( 'before_invoke:cache pluck', $set_foo );
+      """
+
+    When I run `wp cache pluck my_key foo`
+    Then STDOUT should be:
+      """
+      bar
+      """
+
+    When I run `wp cache pluck my_key_2 foo bar`
+    Then STDOUT should be:
+      """
+      baz
+      """
+
+    When I run `wp cache pluck my_key_3 foo --group=my_custom_group`
+    Then STDOUT should be:
+      """
+      bar_custom
+      """
+
+    When I try `wp cache pluck unknown_key test`
+    Then STDERR should be:
+      """
+      Warning: No object found for the key 'unknown_key' in group 'default'
+      """
+
diff --git a/features/transient-patch.feature b/features/transient-patch.feature
new file mode 100644
index 00000000..f44628db
--- /dev/null
+++ b/features/transient-patch.feature
@@ -0,0 +1,331 @@
+Feature: Patch command available for the transient cache
+
+  Scenario: Nested values from transient can be inserted at any depth.
+    Given a WP install
+    And I run `wp eval "set_transient( 'my_key', ['foo' => 'bar'] );"`
+    And I run `wp eval "set_transient( 'my_key_2', ['foo' => ['bar' => 'baz']] );"`
+
+    When I run `wp transient patch insert my_key fuz baz`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key'.
+      """
+
+    When I run `wp transient get my_key --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":"bar","fuz":"baz"}
+      """
+
+    When I run `wp transient patch insert my_key foo bar`
+    Then STDOUT should be:
+      """
+      Success: Value passed for transient 'my_key' is unchanged.
+      """
+
+    When I run `wp transient get my_key --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":"bar","fuz":"baz"}
+      """
+
+    When I run `wp transient patch insert my_key_2 foo fuz biz`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key_2'.
+      """
+
+    When I run `wp transient get my_key_2 --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":{"bar":"baz","fuz":"biz"}}
+      """
+
+    When I run `wp transient patch insert my_key_2 foo bar baz`
+    Then STDOUT should be:
+      """
+      Success: Value passed for transient 'my_key_2' is unchanged.
+      """
+
+    When I run `wp transient get my_key_2 --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":{"bar":"baz","fuz":"biz"}}
+      """
+
+    When I try `wp transient patch insert unknown_key foo bar`
+    Then STDERR should be:
+      """
+      Error: Cannot create key "foo" on data type boolean
+      """
+
+  Scenario: Nested values from transient can be updated at any depth.
+    Given a WP install
+    And I run `wp eval "set_transient( 'my_key', ['foo' => 'bar'] );"`
+    And I run `wp eval "set_transient( 'my_key_2', ['foo' => ['bar' => 'baz']] );"`
+
+    When I run `wp transient patch update my_key foo baz`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key'.
+      """
+
+    When I run `wp transient get my_key --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":"baz"}
+      """
+
+    When I run `wp transient patch update my_key foo baz`
+    Then STDOUT should be:
+      """
+      Success: Value passed for transient 'my_key' is unchanged.
+      """
+
+    When I run `wp transient get my_key --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":"baz"}
+      """
+
+    When I run `wp transient patch update my_key_2 foo bar biz`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key_2'.
+      """
+
+    When I run `wp transient get my_key_2 --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":{"bar":"biz"}}
+      """
+
+    When I run `wp transient patch update my_key_2 foo bar biz`
+    Then STDOUT should be:
+      """
+      Success: Value passed for transient 'my_key_2' is unchanged.
+      """
+
+    When I run `wp transient get my_key_2 --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":{"bar":"biz"}}
+      """
+
+    When I try `wp transient patch update unknown_key foo bar`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "foo"
+      """
+
+  Scenario: Nested values from transient can be deleted at any depth.
+    Given a WP install
+    And I run `wp eval "set_transient( 'my_key', ['foo' => 'bar'] );"`
+    And I run `wp eval "set_transient( 'my_key_2', ['foo' => ['bar' => 'baz']] );"`
+
+    When I run `wp transient patch delete my_key foo`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key'.
+      """
+
+    When I run `wp transient get my_key --format=json`
+    Then STDOUT should be:
+      """
+      []
+      """
+
+    When I run `wp transient patch delete my_key_2 foo bar`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key_2'.
+      """
+
+    When I run `wp transient get my_key_2 --format=json`
+    Then STDOUT should be:
+      """
+      {"foo":[]}
+      """
+
+    When I run `wp transient patch delete my_key_2 foo`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key_2'.
+      """
+
+    When I run `wp transient get my_key_2 --format=json`
+    Then STDOUT should be:
+      """
+      []
+      """
+
+    When I try `wp transient patch delete unknown_key foo`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "foo"
+      """
+
+  Scenario: Nested values from site transient can be inserted at any depth.
+    Given a WP multisite install
+    And I run `wp eval "set_site_transient( 'my_key', ['foo' => 'bar'] );"`
+    And I run `wp eval "set_site_transient( 'my_key_2', ['foo' => ['bar' => 'baz']] );"`
+
+    When I run `wp transient patch insert my_key fuz baz --network`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key'.
+      """
+
+    When I run `wp transient get my_key --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":"bar","fuz":"baz"}
+      """
+
+    When I run `wp transient patch insert my_key foo bar --network`
+    Then STDOUT should be:
+      """
+      Success: Value passed for transient 'my_key' is unchanged.
+      """
+
+    When I run `wp transient get my_key --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":"bar","fuz":"baz"}
+      """
+
+    When I run `wp transient patch insert my_key_2 foo fuz biz --network`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key_2'.
+      """
+
+    When I run `wp transient get my_key_2 --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":{"bar":"baz","fuz":"biz"}}
+      """
+
+    When I run `wp transient patch insert my_key_2 foo bar baz --network`
+    Then STDOUT should be:
+      """
+      Success: Value passed for transient 'my_key_2' is unchanged.
+      """
+
+    When I run `wp transient get my_key_2 --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":{"bar":"baz","fuz":"biz"}}
+      """
+
+    When I try `wp transient patch insert unknown_key foo bar --network`
+    Then STDERR should be:
+      """
+      Error: Cannot create key "foo" on data type boolean
+      """
+
+  Scenario: Nested values from site transient can be updated at any depth.
+    Given a WP multisite install
+    And I run `wp eval "set_site_transient( 'my_key', ['foo' => 'bar'] );"`
+    And I run `wp eval "set_site_transient( 'my_key_2', ['foo' => ['bar' => 'baz']] );"`
+
+    When I run `wp transient patch update my_key foo baz --network`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key'.
+      """
+
+    When I run `wp transient get my_key --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":"baz"}
+      """
+
+    When I run `wp transient patch update my_key foo baz --network`
+    Then STDOUT should be:
+      """
+      Success: Value passed for transient 'my_key' is unchanged.
+      """
+
+    When I run `wp transient get my_key --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":"baz"}
+      """
+
+    When I run `wp transient patch update my_key_2 foo bar biz --network`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key_2'.
+      """
+
+    When I run `wp transient get my_key_2 --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":{"bar":"biz"}}
+      """
+
+    When I run `wp transient patch update my_key_2 foo bar biz --network`
+    Then STDOUT should be:
+      """
+      Success: Value passed for transient 'my_key_2' is unchanged.
+      """
+
+    When I run `wp transient get my_key_2 --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":{"bar":"biz"}}
+      """
+
+    When I try `wp transient patch update unknown_key foo bar --network`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "foo"
+      """
+
+  Scenario: Nested values from site transient can be deleted at any depth.
+    Given a WP multisite install
+    And I run `wp eval "set_site_transient( 'my_key', ['foo' => 'bar'] );"`
+    And I run `wp eval "set_site_transient( 'my_key_2', ['foo' => ['bar' => 'baz']] );"`
+
+    When I run `wp transient patch delete my_key foo --network`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key'.
+      """
+
+    When I run `wp transient get my_key --format=json --network`
+    Then STDOUT should be:
+      """
+      []
+      """
+
+    When I run `wp transient patch delete my_key_2 foo bar --network`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key_2'.
+      """
+
+    When I run `wp transient get my_key_2 --format=json --network`
+    Then STDOUT should be:
+      """
+      {"foo":[]}
+      """
+
+    When I run `wp transient patch delete my_key_2 foo --network`
+    Then STDOUT should be:
+      """
+      Success: Updated transient 'my_key_2'.
+      """
+
+    When I run `wp transient get my_key_2 --format=json --network`
+    Then STDOUT should be:
+      """
+      []
+      """
+
+    When I try `wp transient patch delete unknown_key foo --network`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "foo"
+      """
diff --git a/features/transient-pluck.feature b/features/transient-pluck.feature
new file mode 100644
index 00000000..61be9ade
--- /dev/null
+++ b/features/transient-pluck.feature
@@ -0,0 +1,47 @@
+Feature: Pluck command available for the transient cache
+
+  Scenario: Nested values from transient can be retrieved at any depth.
+    Given a WP install
+    And I run `wp eval "set_transient( 'my_key', ['foo' => 'bar'] );"`
+    And I run `wp eval "set_transient( 'my_key_2', ['foo' => ['bar' => 'baz']] );"`
+
+    When I run `wp transient pluck my_key foo`
+    Then STDOUT should be:
+      """
+      bar
+      """
+
+    When I run `wp transient pluck my_key_2 foo bar`
+    Then STDOUT should be:
+      """
+      baz
+      """
+
+    When I try `wp transient pluck unknown_key foo`
+    Then STDERR should be:
+      """
+      Warning: Transient with key "unknown_key" is not set.
+      """
+
+  Scenario: Nested values from site transient can be retrieved at any depth.
+    Given a WP multisite install
+    And I run `wp eval "set_site_transient( 'my_key', ['foo' => 'bar'] );"`
+    And I run `wp eval "set_site_transient( 'my_key_2', ['foo' => ['bar' => 'baz']] );"`
+
+    When I run `wp transient pluck my_key foo --network`
+    Then STDOUT should be:
+      """
+      bar
+      """
+
+    When I run `wp transient pluck my_key_2 foo bar --network`
+    Then STDOUT should be:
+      """
+      baz
+      """
+
+    When I try `wp transient pluck unknown_key foo --network`
+    Then STDERR should be:
+      """
+      Warning: Transient with key "unknown_key" is not set.
+      """
diff --git a/src/Cache_Command.php b/src/Cache_Command.php
index b25ba1d7..b56eda0f 100644
--- a/src/Cache_Command.php
+++ b/src/Cache_Command.php
@@ -1,5 +1,8 @@
 <?php
 
+use WP_CLI\Traverser\RecursiveDataStructureTraverser;
+use WP_CLI\Utils;
+
 /**
  * Adds, removes, fetches, and flushes the WP Object Cache object.
  *
@@ -406,4 +409,172 @@ public function flush_group( $args, $assoc_args ) {
 		}
 		WP_CLI::success( "Cache group '$group' was flushed." );
 	}
+
+	/**
+	 * Get a nested value from the cache.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <key>
+	 * : Cache key.
+	 *
+	 * <key-path>...
+	 * : The name(s) of the keys within the value to locate the value to pluck.
+	 *
+	 * [--group=<group>]
+	 * : Method for grouping data within the cache which allows the same key to be used across groups.
+	 * ---
+	 * default: default
+	 * ---
+	 *
+	 * [--format=<format>]
+	 * : The output format of the value.
+	 * ---
+	 * default: plaintext
+	 * options:
+	 *   - plaintext
+	 *   - json
+	 *   - yaml
+	 * ---
+	 */
+	public function pluck( $args, $assoc_args ) {
+		list( $key ) = $args;
+		$group       = Utils\get_flag_value( $assoc_args, 'group' );
+
+		$value = wp_cache_get( $key, $group );
+
+		if ( false === $value ) {
+			WP_CLI::warning( "No object found for the key '$key' in group '$group'" );
+			exit;
+		}
+
+		$key_path = array_map(
+			function ( $key ) {
+				if ( is_numeric( $key ) && ( (string) intval( $key ) === $key ) ) {
+					return (int) $key;
+				}
+				return $key;
+			},
+			array_slice( $args, 1 )
+		);
+
+		$traverser = new RecursiveDataStructureTraverser( $value );
+
+		try {
+			$value = $traverser->get( $key_path );
+		} catch ( \Exception $e ) {
+			die( 1 );
+		}
+
+		WP_CLI::print_value( $value, $assoc_args );
+	}
+
+	/**
+	 * Update a nested value from the cache.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <action>
+	 * : Patch action to perform.
+	 * ---
+	 * options:
+	 *   - insert
+	 *   - update
+	 *   - delete
+	 * ---
+	 *
+	 * <key>
+	 * : Cache key.
+	 *
+	 * <key-path>...
+	 * : The name(s) of the keys within the value to locate the value to patch.
+	 *
+	 * [<value>]
+	 * : The new value. If omitted, the value is read from STDIN.
+	 *
+	 * [--group=<group>]
+	 * : Method for grouping data within the cache which allows the same key to be used across groups.
+	 * ---
+	 * default: default
+	 * ---
+	 *
+	 * [--expiration=<expiration>]
+	 *  : Define how long to keep the value, in seconds. `0` means as long as possible.
+	 *  ---
+	 *  default: 0
+	 *  ---
+	 *
+	 * [--format=<format>]
+	 * : The serialization format for the value.
+	 * ---
+	 * default: plaintext
+	 * options:
+	 *   - plaintext
+	 *   - json
+	 * ---
+	 */
+	public function patch( $args, $assoc_args ) {
+		list( $action, $key ) = $args;
+		$group                = Utils\get_flag_value( $assoc_args, 'group' );
+		$expiration           = Utils\get_flag_value( $assoc_args, 'expiration' );
+
+		$key_path = array_map(
+			function ( $key ) {
+				if ( is_numeric( $key ) && ( (string) intval( $key ) === $key ) ) {
+					return (int) $key;
+				}
+
+				return $key;
+			},
+			array_slice( $args, 2 )
+		);
+
+		if ( 'delete' === $action ) {
+			$patch_value = null;
+		} else {
+			$stdin_value = Utils\has_stdin()
+				? trim( WP_CLI::get_value_from_arg_or_stdin( $args, -1 ) )
+				: null;
+
+			if ( ! empty( $stdin_value ) ) {
+				$patch_value = WP_CLI::read_value( $stdin_value, $assoc_args );
+			} elseif ( count( $key_path ) > 1 ) {
+				$patch_value = WP_CLI::read_value( array_pop( $key_path ), $assoc_args );
+			} else {
+				$patch_value = null;
+			}
+
+			if ( null === $patch_value ) {
+				WP_CLI::error( 'Please provide value to update.' );
+			}
+		}
+
+		/* Need to make a copy of $current_value here as it is modified by reference */
+		$old_value     = wp_cache_get( $key, $group );
+		$current_value = $old_value;
+		if ( is_object( $old_value ) ) {
+			$current_value = clone $old_value;
+		}
+
+		$traverser = new RecursiveDataStructureTraverser( $current_value );
+
+		try {
+			$traverser->$action( $key_path, $patch_value );
+		} catch ( \Exception $e ) {
+			WP_CLI::error( $e->getMessage() );
+		}
+
+		$patched_value = $traverser->value();
+
+		if ( $patched_value === $old_value ) {
+			WP_CLI::success( "Value passed for cache key '$key' is unchanged." );
+		} else {
+			$success = wp_cache_set( $key, $patched_value, $group, $expiration );
+			if ( $success ) {
+				WP_CLI::success( "Updated cache key '$key'." );
+			} else {
+				WP_CLI::error( "Could not update cache key '$key'." );
+			}
+		}
+	}
 }
diff --git a/src/Transient_Command.php b/src/Transient_Command.php
index 3d21ab21..9166935a 100644
--- a/src/Transient_Command.php
+++ b/src/Transient_Command.php
@@ -1,5 +1,6 @@
 <?php
 
+use WP_CLI\Traverser\RecursiveDataStructureTraverser;
 use WP_CLI\Utils;
 
 /**
@@ -404,6 +405,171 @@ public function list_( $args, $assoc_args ) {
 		$formatter->display_items( $results );
 	}
 
+	/**
+	 * Get a nested value from a transient.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <key>
+	 * : Key for the transient.
+	 *
+	 * <key-path>...
+	 * : The name(s) of the keys within the value to locate the value to pluck.
+	 *
+	 * [--format=<format>]
+	 * : The output format of the value.
+	 * ---
+	 * default: plaintext
+	 * options:
+	 *   - plaintext
+	 *   - json
+	 *   - yaml
+	 * ---
+	 *
+	 * [--network]
+	 * : Get the value of a network|site transient. On single site, this is
+	 * a specially-named cache key. On multisite, this is a global cache
+	 * (instead of local to the site).
+	 */
+	public function pluck( $args, $assoc_args ) {
+		list( $key ) = $args;
+
+		$func  = Utils\get_flag_value( $assoc_args, 'network' ) ? 'get_site_transient' : 'get_transient';
+		$value = $func( $key );
+
+		if ( false === $value ) {
+			WP_CLI::warning( 'Transient with key "' . $key . '" is not set.' );
+			exit;
+		}
+
+		$key_path = array_map(
+			function ( $key ) {
+				if ( is_numeric( $key ) && ( (string) intval( $key ) === $key ) ) {
+					return (int) $key;
+				}
+				return $key;
+			},
+			array_slice( $args, 1 )
+		);
+
+		$traverser = new RecursiveDataStructureTraverser( $value );
+
+		try {
+			$value = $traverser->get( $key_path );
+		} catch ( \Exception $e ) {
+			die( 1 );
+		}
+
+		WP_CLI::print_value( $value, $assoc_args );
+	}
+
+	/**
+	 * Update a nested value from a transient.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <action>
+	 * : Patch action to perform.
+	 * ---
+	 * options:
+	 *   - insert
+	 *   - update
+	 *   - delete
+	 * ---
+	 *
+	 * <key>
+	 * : Key for the transient.
+	 *
+	 * <key-path>...
+	 * : The name(s) of the keys within the value to locate the value to patch.
+	 *
+	 * [<value>]
+	 * : The new value. If omitted, the value is read from STDIN.
+	 *
+	 * [--format=<format>]
+	 * : The serialization format for the value.
+	 * ---
+	 * default: plaintext
+	 * options:
+	 *   - plaintext
+	 *   - json
+	 * ---
+	 *
+	 * [--expiration=<expiration>]
+	 * : Time until expiration, in seconds.
+	 *
+	 * [--network]
+	 * : Get the value of a network|site transient. On single site, this is
+	 * a specially-named cache key. On multisite, this is a global cache
+	 * (instead of local to the site).
+	 */
+	public function patch( $args, $assoc_args ) {
+		list( $action, $key ) = $args;
+		$expiration           = (int) Utils\get_flag_value( $assoc_args, 'expiration', 0 );
+
+		$read_func  = Utils\get_flag_value( $assoc_args, 'network' ) ? 'get_site_transient' : 'get_transient';
+		$write_func = Utils\get_flag_value( $assoc_args, 'network' ) ? 'set_site_transient' : 'set_transient';
+
+		$key_path = array_map(
+			function ( $key ) {
+				if ( is_numeric( $key ) && ( (string) intval( $key ) === $key ) ) {
+					return (int) $key;
+				}
+
+				return $key;
+			},
+			array_slice( $args, 2 )
+		);
+
+		if ( 'delete' === $action ) {
+			$patch_value = null;
+		} else {
+			$stdin_value = Utils\has_stdin()
+				? trim( WP_CLI::get_value_from_arg_or_stdin( $args, -1 ) )
+				: null;
+
+			if ( ! empty( $stdin_value ) ) {
+				$patch_value = WP_CLI::read_value( $stdin_value, $assoc_args );
+			} elseif ( count( $key_path ) > 1 ) {
+				$patch_value = WP_CLI::read_value( array_pop( $key_path ), $assoc_args );
+			} else {
+				$patch_value = null;
+			}
+
+			if ( null === $patch_value ) {
+				WP_CLI::error( 'Please provide value to update.' );
+			}
+		}
+
+		/* Need to make a copy of $current_value here as it is modified by reference */
+		$old_value     = $read_func( $key );
+		$current_value = $old_value;
+		if ( is_object( $old_value ) ) {
+			$current_value = clone $old_value;
+		}
+
+		$traverser = new RecursiveDataStructureTraverser( $current_value );
+
+		try {
+			$traverser->$action( $key_path, $patch_value );
+		} catch ( \Exception $e ) {
+			WP_CLI::error( $e->getMessage() );
+		}
+
+		$patched_value = $traverser->value();
+
+		if ( $patched_value === $old_value ) {
+			WP_CLI::success( "Value passed for transient '$key' is unchanged." );
+		} else {
+			$success = $write_func( $key, $patched_value, $expiration );
+			if ( $success ) {
+				WP_CLI::success( "Updated transient '$key'." );
+			} else {
+				WP_CLI::error( "Could not update transient '$key'." );
+			}
+		}
+	}
+
 	/**
 	 * Retrieves the expiration time.
 	 *