Schema | Hammer MCP

Hammer MCP

Describes the environment variables required to run the server.

Name	Required	Description	Default
No arguments

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": false }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
draw_lineD	Draw a DXF line.
draw_circleC	Draw a DXF circle.
draw_arcC	Draw a DXF arc using angles in degrees.
draw_polylineC	Draw a DXF lightweight polyline.
draw_rectangleC	Draw an axis-aligned DXF rectangle.
draw_textC	Add single-line text to the DXF drawing.
draw_hatchC	Add a hatch inside a closed polygon boundary.
add_dimensionC	Add a linear DXF dimension.
create_layerC	Create or update a DXF layer.
save_drawingC	Save the current drawing as DXF.
render_preview_2dC	Render the current DXF drawing to PNG.
create_boxC	Create an OpenSCAD box.
create_cylinderC	Create an OpenSCAD cylinder.
create_sphereC	Create an OpenSCAD sphere.
linear_extrudeC	Extrude a closed 2D polygon in OpenSCAD.
boolean_unionD	Union OpenSCAD objects.
boolean_differenceC	Subtract later OpenSCAD objects from the first.
boolean_intersectionC	Intersect OpenSCAD objects.
save_openscadC	Save the current OpenSCAD source without invoking the CLI.
render_preview_3dC	Render the current OpenSCAD model to PNG.
export_modelC	Export the current OpenSCAD model.
execute_scriptC	Execute guarded ezdxf Python or append raw OpenSCAD code.
process_commandC	Plan and execute a natural-language CAD request.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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