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fastmcp-me

FreeCAD MCP

by fastmcp-me
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Python
Local

Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
ONLY_TEXT_FEEDBACKNoSet to 'true' to enable only text feedback (disables image feedback). Corresponds to --only-text-feedback flag.false

Instructions

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Capabilities

Features and capabilities supported by this server

Protocol revision2025-11-25

CapabilityDetails
tools
{
  "listChanged": false
}
prompts
{
  "listChanged": false
}
resources
{
  "subscribe": false,
  "listChanged": false
}
experimental
{}

Tools

Functions exposed to the LLM to take actions

NameDescription
create_documentA

Create a new document in FreeCAD.

Args:
    name: The name of the document to create.

Returns:
    A message indicating the success or failure of the document creation.

Examples:
    If you want to create a document named "MyDocument", you can use the following data.
    ```json
    {
        "name": "MyDocument"
    }
    ```
create_objectA

Create a new object in FreeCAD. Object type is starts with "Part::" or "Draft::" or "PartDesign::" or "Fem::".

Args:
    doc_name: The name of the document to create the object in.
    obj_type: The type of the object to create (e.g. 'Part::Box', 'Part::Cylinder', 'Draft::Circle', 'PartDesign::Body', etc.).
    obj_name: The name of the object to create.
    obj_properties: The properties of the object to create.

Returns:
    A message indicating the success or failure of the object creation and a screenshot of the object.

Examples:
    If you want to create a cylinder with a height of 30 and a radius of 10, you can use the following data.
    ```json
    {
        "doc_name": "MyCylinder",
        "obj_name": "Cylinder",
        "obj_type": "Part::Cylinder",
        "obj_properties": {
            "Height": 30,
            "Radius": 10,
            "Placement": {
                "Base": {
                    "x": 10,
                    "y": 10,
                    "z": 0
                },
                "Rotation": {
                    "Axis": {
                        "x": 0,
                        "y": 0,
                        "z": 1
                    },
                    "Angle": 45
                }
            },
            "ViewObject": {
                "ShapeColor": [0.5, 0.5, 0.5, 1.0]
            }
        }
    }
    ```

    If you want to create a circle with a radius of 10, you can use the following data.
    ```json
    {
        "doc_name": "MyCircle",
        "obj_name": "Circle",
        "obj_type": "Draft::Circle",
    }
    ```

    If you want to create a FEM analysis, you can use the following data.
    ```json
    {
        "doc_name": "MyFEMAnalysis",
        "obj_name": "FemAnalysis",
        "obj_type": "Fem::AnalysisPython",
    }
    ```

    If you want to create a FEM constraint, you can use the following data.
    ```json
    {
        "doc_name": "MyFEMConstraint",
        "obj_name": "FemConstraint",
        "obj_type": "Fem::ConstraintFixed",
        "analysis_name": "MyFEMAnalysis",
        "obj_properties": {
            "References": [
                {
                    "object_name": "MyObject",
                    "face": "Face1"
                }
            ]
        }
    }
    ```

    If you want to create a FEM mechanical material, you can use the following data.
    ```json
    {
        "doc_name": "MyFEMAnalysis",
        "obj_name": "FemMechanicalMaterial",
        "obj_type": "Fem::MaterialCommon",
        "analysis_name": "MyFEMAnalysis",
        "obj_properties": {
            "Material": {
                "Name": "MyMaterial",
                "Density": "7900 kg/m^3",
                "YoungModulus": "210 GPa",
                "PoissonRatio": 0.3
            }
        }
    }
    ```

    If you want to create a FEM mesh, you can use the following data.
    The `Part` property is required.
    ```json
    {
        "doc_name": "MyFEMMesh",
        "obj_name": "FemMesh",
        "obj_type": "Fem::FemMeshGmsh",
        "analysis_name": "MyFEMAnalysis",
        "obj_properties": {
            "Part": "MyObject",
            "ElementSizeMax": 10,
            "ElementSizeMin": 0.1,
            "MeshAlgorithm": 2
        }
    }
    ```
edit_objectB

Edit an object in FreeCAD. This tool is used when the create_object tool cannot handle the object creation.

Args:
    doc_name: The name of the document to edit the object in.
    obj_name: The name of the object to edit.
    obj_properties: The properties of the object to edit.

Returns:
    A message indicating the success or failure of the object editing and a screenshot of the object.
delete_objectA

Delete an object in FreeCAD.

Args:
    doc_name: The name of the document to delete the object from.
    obj_name: The name of the object to delete.

Returns:
    A message indicating the success or failure of the object deletion and a screenshot of the object.
execute_codeA

Execute arbitrary Python code in FreeCAD.

Args:
    code: The Python code to execute.

Returns:
    A message indicating the success or failure of the code execution, the output of the code execution, and a screenshot of the object.
get_viewC

Get a screenshot of the active view.

Args:
    view_name: The name of the view to get the screenshot of.
    The following views are available:
    - "Isometric"
    - "Front"
    - "Top"
    - "Right"
    - "Back"
    - "Left"
    - "Bottom"
    - "Dimetric"
    - "Trimetric"

Returns:
    A screenshot of the active view.
insert_part_from_libraryB

Insert a part from the parts library addon.

Args:
    relative_path: The relative path of the part to insert.

Returns:
    A message indicating the success or failure of the part insertion and a screenshot of the object.
get_objectsA

Get all objects in a document. You can use this tool to get the objects in a document to see what you can check or edit.

Args:
    doc_name: The name of the document to get the objects from.

Returns:
    A list of objects in the document and a screenshot of the document.
get_objectA

Get an object from a document. You can use this tool to get the properties of an object to see what you can check or edit.

Args:
    doc_name: The name of the document to get the object from.
    obj_name: The name of the object to get.

Returns:
    The object and a screenshot of the object.
get_parts_listA

Get the list of parts in the parts library addon.

Prompts

Interactive templates invoked by user choice

NameDescription
asset_creation_strategy

Resources

Contextual data attached and managed by the client

NameDescription

No resources

Deploy Server
One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

TDQS

A3.6/5.0

Scored across 10 tools

Disambiguation4/5

Most tools have clearly distinct purposes, but edit_object's description confusingly states it is used when create_object cannot handle creation, blurring the boundary between creation and editing. Otherwise tools are well-separated.

Naming Consistency5/5

All tools follow a consistent snake_case verb_noun pattern (e.g., create_document, get_objects, delete_object), making the set predictable and easy to navigate.

Tool Count5/5

With 10 tools, the server is well-scoped for a CAD assistant, covering essential operations without overwhelming the user. The count matches the domain well.

Completeness4/5

Core workflows (document and object lifecycle, code execution, viewing) are covered, but some gaps exist like saving/exporting documents or sketch constraints. However, execute_code can extend functionality.

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources