MCP Slicer

list_nodes

List MRML nodes via the Slicer Web Server API. The filter_type parameter specifies the type of node information to retrieve. Possible values include "names" (node names), "ids" (node IDs), and "properties" (node properties). The default value is "names". The class_name, name, and id parameters are optional and can be used to further filter nodes. The class_name parameter allows filtering nodes by class name. The name parameter allows filtering nodes by name. The id parameter allows filtering nodes by ID. Examples: - List the names of all nodes: {"tool": "list_nodes", "arguments": {"filter_type": "names"}} - List the IDs of nodes of a specific class: {"tool": "list_nodes", "arguments": {"filter_type": "ids", "class_name": "vtkMRMLModelNode"}} - List the properties of nodes with a specific name: {"tool": "list_nodes", "arguments": {"filter_type": "properties", "name": "MyModel"}} - List nodes with a specific ID: {"tool": "list_nodes", "arguments": {"filter_type": "ids", "id": "vtkMRMLModelNode123"}} Returns a dictionary containing node information. If filter_type is "names" or "ids", the returned dictionary contains a "nodes" key, whose value is a list containing node names or IDs. Example: {"nodes": ["node1", "node2", ...]} or {"nodes": ["id1", "id2", ...]} If filter_type is "properties", the returned dictionary contains a "nodes" key, whose value is a dictionary containing node properties. Example: {"nodes": {"node1": {"property1": "value1", "property2": "value2"}, ...}} If an error occurs, a dictionary containing an "error" key is returned, whose value is a string describing the error.

execute_python_code

Execute Python code in 3D Slicer. Parameters: code (str): The Python code to execute. The code parameter is a string containing the Python code to be executed in 3D Slicer's Python environment. The code should be executable by Python's `exec()` function. To get return values, the code should assign the result to a variable named `__execResult`. Examples: - Create a sphere model: {"tool": "execute_python_code", "arguments": {"code": "sphere = slicer.vtkMRMLModelNode(); slicer.mrmlScene.AddNode(sphere); sphere.SetName('MySphere'); __execResult = sphere.GetID()"}} - Get the number of nodes in the current scene: {"tool": "execute_python_code", "arguments": {"code": "__execResult = len(slicer.mrmlScene.GetNodes())"}} - Calculate 1+1: {"tool": "execute_python_code", "arguments": {"code": "__execResult = 1 + 1"}} Returns: dict: A dictionary containing the execution result. If the code execution is successful, the dictionary will contain the following key-value pairs: - "success": True - "message": The result of the code execution. If the code assigns the result to `__execResult`, the value of `__execResult` is returned, otherwise it returns empty. If the code execution fails, the dictionary will contain the following key-value pairs: - "success": False - "message": A string containing an error message indicating the cause of the failure. The error message may come from the Slicer Web Server or the Python interpreter. Examples: - Successful execution: {"success": True, "message": 2} # Assuming the result of 1+1 is 2 - Successful execution: {"success": True, "message": "vtkMRMLScene1"} # Assuming the created sphere id is vtkMRMLScene1 - Python execution error: {"success": False, "message": "Server error: name 'slicer' is not defined"} - Connection error: {"success": False, "message": "Connection error: ..."} - HTTP error: {"success": False, "message": "HTTP Error 404: Not Found"}