Onshape MCP
未认领mcp server for interacting with onshape
安装
pip install -e .工具（40 个）
add_assembly_instance
Add a part or sub-assembly instance to an assembly
align_instance_to_face
Align one instance flush against a face of another
check_assembly_interference
Check for overlapping/interfering parts using bounding box detection
create_assembly
Create a new Assembly in a document
create_boolean
Union, subtract, or intersect bodies by deterministic IDs
create_chamfer
Bevel edges by edge IDs with distance (supports variable references)
create_circular_pattern
Repeat features around an axis with count and angle spread
create_cylindrical_mate
Create a slide+rotate mate. First instance moves relative to second.
create_document
Create a new Onshape document
create_extrude
Extrude a sketch with depth, optional variable reference, and operation type
create_fastened_mate
Create a rigid (fastened) mate between two instances
create_fillet
Round edges by edge IDs with radius (supports variable references)
create_linear_pattern
Repeat features along an axis (X/Y/Z) with distance and count
create_mate_connector
Create an explicit mate connector on a face with offsets
create_part_studio
Create a new Part Studio in a document
create_revolute_mate
Create a rotational mate. First instance rotates relative to second.
create_revolve
Revolve a sketch around an axis (X/Y/Z) with angle and operation type
create_sketch_arc
Arc with center, radius, start angle, and end angle
create_sketch_circle
Circle with center point and radius
create_sketch_line
Line from start point to end point
create_sketch_rectangle
Rectangle with optional variable references for width/height
create_slider_mate
Create a linear motion mate. First instance slides relative to second.
create_thicken
Thicken a sketch into a solid with optional midplane/opposite direction
delete_feature
Delete a feature (mate, mate connector, etc.) from an assembly or Part Studio
FeatureScript
Evaluate FeatureScript expressions, get bounding boxes
find_part_studios
Find Part Studios with optional name filtering
get_assembly
Get assembly structure with instances and occurrences
get_assembly_features
Get all features with their state (OK/ERROR/SUPPRESSED)
get_assembly_positions
Get positions, sizes, and bounds of all instances (in inches)
get_body_details
Get face IDs, surface types, normals, and origins for all parts
get_document
Get detailed document information
get_document_summary
Get comprehensive summary with workspaces and elements
get_elements
Get all elements (Part Studios, Assemblies, BOMs) in a workspace
get_face_coordinate_system
Query the outward-facing coordinate system for a specific face
get_parts
Get all parts from a Part Studio
get_variables
Get all variables from a Part Studio variable table
list_documents
List documents with filtering and sorting
search_documents
Search documents by name or description
set_instance_position
Set absolute position (resets rotation). Fails on fixed instances.
transform_instance
Apply a relative transform (inches/degrees). Fails on fixed instances.