diff --git a/lib/public/TaskProcessing/TaskTypes/ContextAgentInteraction.php b/lib/public/TaskProcessing/TaskTypes/ContextAgentInteraction.php
new file mode 100644
index 0000000000000..a8b50c2c4db9d
--- /dev/null
+++ b/lib/public/TaskProcessing/TaskTypes/ContextAgentInteraction.php
@@ -0,0 +1,95 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCP\TaskProcessing\TaskTypes;
+
+use OCP\IL10N;
+use OCP\TaskProcessing\EShapeType;
+use OCP\TaskProcessing\ITaskType;
+use OCP\TaskProcessing\ShapeDescriptor;
+
+/**
+ * This is the task processing task type for text reformulation
+ * @since 31.0.0
+ */
+class ContextAgentInteraction implements ITaskType {
+	public const ID = 'core:contextagent:interaction';
+
+	public function __construct(
+		private IL10N $l,
+	) {
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getName(): string {
+		return $this->l->t('ContextAgent');
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getDescription(): string {
+		return $this->l->t('Chat with an agent');
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getId(): string {
+		return self::ID;
+	}
+
+	/**
+	 * @return ShapeDescriptor[]
+	 */
+	public function getInputShape(): array {
+		return [
+			'input' => new ShapeDescriptor(
+				$this->l->t('Chat message'),
+				$this->l->t('A chat message to send to the agent.'),
+				EShapeType::Text
+			),
+			'confirmation' => new ShapeDescriptor(
+				$this->l->t('Confirmation'),
+				$this->l->t('Whether to confirm previously requested actions: 0 for denial and 1 for confirmation.'),
+				EShapeType::Number
+			),
+			'conversation_token' => new ShapeDescriptor(
+				$this->l->t('Conversation token'),
+				$this->l->t('A token representing the conversation.'),
+				EShapeType::Text
+			),
+		];
+	}
+
+	/**
+	 * @return ShapeDescriptor[]
+	 */
+	public function getOutputShape(): array {
+		return [
+			'output' => new ShapeDescriptor(
+				$this->l->t('Generated response'),
+				$this->l->t('The response from the chat model.'),
+				EShapeType::Text
+			),
+			'conversation_token' => new ShapeDescriptor(
+				$this->l->t('The new conversation token'),
+				$this->l->t('Send this along with the next interaction.'),
+				EShapeType::Text
+			),
+			'actions' => new ShapeDescriptor(
+				$this->l->t('Requested actions by the agent'),
+				$this->l->t('Actions that the agent would like to carry out in JSON format.'),
+				EShapeType::Text
+			),
+		];
+	}
+}
diff --git a/lib/public/TaskProcessing/TaskTypes/TextToTextChangeTone.php b/lib/public/TaskProcessing/TaskTypes/TextToTextChangeTone.php
new file mode 100644
index 0000000000000..01292211c2686
--- /dev/null
+++ b/lib/public/TaskProcessing/TaskTypes/TextToTextChangeTone.php
@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCP\TaskProcessing\TaskTypes;
+
+use OCP\IL10N;
+use OCP\TaskProcessing\EShapeType;
+use OCP\TaskProcessing\ITaskType;
+use OCP\TaskProcessing\ShapeDescriptor;
+
+/**
+ * This is the task processing task type for text reformulation
+ * @since 31.0.0
+ */
+class TextToTextChangeTone implements ITaskType {
+	public const ID = 'core:text2text:changetone';
+
+	public function __construct(
+		private IL10N $l,
+	) {
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getName(): string {
+		return $this->l->t('Change Tone');
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getDescription(): string {
+		return $this->l->t('Change the tone of a piece of text.');
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getId(): string {
+		return self::ID;
+	}
+
+	/**
+	 * @return ShapeDescriptor[]
+	 */
+	public function getInputShape(): array {
+		return [
+			'input' => new ShapeDescriptor(
+				$this->l->t('Input text'),
+				$this->l->t('Write a text that you want the assistant to rewrite in another tone.'),
+				EShapeType::Text,
+			),
+			'tone' => new ShapeDescriptor(
+				$this->l->t('Desired tone'),
+				$this->l->t('In which tone should your text be rewritten?'),
+				EShapeType::Enum,
+			),
+		];
+	}
+
+	/**
+	 * @return ShapeDescriptor[]
+	 */
+	public function getOutputShape(): array {
+		return [
+			'output' => new ShapeDescriptor(
+				$this->l->t('Generated response'),
+				$this->l->t('The rewritten text in the desired tone, written by the assistant:'),
+				EShapeType::Text
+			),
+		];
+	}
+}
diff --git a/lib/public/TaskProcessing/TaskTypes/TextToTextChatWithTools.php b/lib/public/TaskProcessing/TaskTypes/TextToTextChatWithTools.php
new file mode 100644
index 0000000000000..44ca91c2c382c
--- /dev/null
+++ b/lib/public/TaskProcessing/TaskTypes/TextToTextChatWithTools.php
@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCP\TaskProcessing\TaskTypes;
+
+use OCP\IL10N;
+use OCP\TaskProcessing\EShapeType;
+use OCP\TaskProcessing\ITaskType;
+use OCP\TaskProcessing\ShapeDescriptor;
+
+/**
+ * This is the task processing task type for text reformulation
+ * @since 31.0.0
+ */
+class TextToTextChatWithTools implements ITaskType {
+	public const ID = 'core:text2text:chatwithtools';
+
+	public function __construct(
+		private IL10N $l,
+	) {
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getName(): string {
+		return $this->l->t('Chat with tools');
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getDescription(): string {
+		return $this->l->t('Chat with the language model with tool calling support.');
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getId(): string {
+		return self::ID;
+	}
+
+	/**
+	 * @return ShapeDescriptor[]
+	 */
+	public function getInputShape(): array {
+		return [
+			'system_prompt' => new ShapeDescriptor(
+				$this->l->t('System prompt'),
+				$this->l->t('Define rules and assumptions that the assistant should follow during the conversation.'),
+				EShapeType::Text
+			),
+			'input' => new ShapeDescriptor(
+				$this->l->t('Chat message'),
+				$this->l->t('Describe a task that you want the assistant to do or ask a question'),
+				EShapeType::Text
+			),
+			'history' => new ShapeDescriptor(
+				$this->l->t('Chat history'),
+				$this->l->t('The history of chat messages before the current message, starting with a message by the user'),
+				EShapeType::ListOfTexts
+			),
+			// See https://platform.openai.com/docs/api-reference/chat/create#chat-create-tools for the format
+			'tools' => new ShapeDescriptor(
+				$this->l->t('Available tools'),
+				$this->l->t('The available tools in JSON format'),
+				EShapeType::Text
+			),
+		];
+	}
+
+	/**
+	 * @return ShapeDescriptor[]
+	 */
+	public function getOutputShape(): array {
+		return [
+			'output' => new ShapeDescriptor(
+				$this->l->t('Generated response'),
+				$this->l->t('The response from the chat model'),
+				EShapeType::Text
+			),
+			'tool_calls' => new ShapeDescriptor(
+				$this->l->t('Tool calls'),
+				$this->l->t('Tools call instructions from the model in JSON format'),
+				EShapeType::Text
+			),
+		];
+	}
+}