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probuilder-create-shape

Creates editable ProBuilder mesh shapes in a Unity scene via the unity-mcp-cli tool.

1|Updated Apr 1, 2026
Search Tags:#game development#unity#level design#probuilder#unity-mcp-cli#shape creation#3d mesh
One-click install
npx skills add https://github.com/Fermisloth/Project-Aegis-Adaptive-Outbreak-Containment --skill probuilder-create-shape-fermisloth
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: probuilder-create-shape
Source: https://github.com/Fermisloth/Project-Aegis-Adaptive-Outbreak-Containment/tree/main/.agent/skills/probuilder-create-shape
Command: npx skills add https://github.com/Fermisloth/Project-Aegis-Adaptive-Outbreak-Containment --skill probuilder-create-shape-fermisloth

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires unity-mcp-cli.

What problem does it solve? Manually creating base 3D geometry in Unity scenes is repetitive, and automating level prototyping requires a programmatic way to spawn editable meshes. This Skill creates ProBuilder shapes (cubes, cylinders, arches, stairs, and more) directly in the scene through the unity-mcp-cli command line. ## Core Features & Use Cases - Shape Creation: Instantiates 13 ProBuilder shape types including Cube, Cylinder, Sphere, Torus, Stair, Arch, Pipe, and Door. - Transform Control: Sets position, rotation, scale, and size, with optional local-space placement relative to a parent GameObject. - Structured Output: Returns the new GameObject's instance ID plus face, vertex, and edge counts for verification. - Use Case: While prototyping a level, ask the AI to create a curved staircase at a specific position parented under an existing platform, then refine it with other ProBuilder editing tools. ## Quick Start Use the probuilder-create-shape skill to create a Cylinder named "Pillar" at position (0, 0, 5) with size (1, 3, 1) in the current Unity scene.

Frequently Asked Questions about probuilder-create-shape

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create a ProBuilder shape in Unity from the command line?▼

Run unity-mcp-cli run-tool probuilder-create-shape with a JSON input specifying shapeType and optional name, position, rotation, scale, and size. For complex input, pass the JSON via --input-file or pipe it through stdin.

What shape types can ProBuilder create in Unity?▼

The tool supports 13 shape types: Cube, Stair, CurvedStair, Prism, Cylinder, Plane, Door, Pipe, Cone, Sprite, Arch, Sphere, and Torus. Only shapeType is required; all other parameters are optional.

How do I parent a new ProBuilder shape to an existing GameObject?▼

Pass the parentGameObjectRef parameter with the target's instanceID, hierarchy path, or name. Set isLocalSpace to true if the position, rotation, and scale should be interpreted relative to that parent.

Why is unity-mcp-cli not found when running the command?▼

The CLI is not installed or not on your PATH. Install it globally with npm install -g unity-mcp-cli, or invoke it with npx unity-mcp-cli instead, then retry the command.

What does the ProBuilder create shape tool return?▼

It returns the new GameObject's name, instance ID, shape type, transform values, and mesh statistics including face, vertex, and edge counts, which you can use to reference the shape in later editing operations.

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