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rokibul-mist

rhino-mcp

by rokibul-mist

rhino_cmd_cylinder

Create a closed cylinder in Rhino by specifying center coordinates, radius, and height, returning status and command details.

Instructions

    Create a closed cylinder in Rhino.
    
    Args:
    controller: RhinoController instance.
    x, y, z:   Center of the base circle.
    radius:     Base radius.
    height:     Height of the cylinder.
    
    Returns:
    Dict with 'status' and 'command' keys.
    

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
xNo
yNo
zNo
heightNo
radiusNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the behavioral disclosure burden. It indicates the tool creates a closed cylinder and returns a dict with 'status' and 'command' keys, which gives basic insight. However, it does not explain the expected side effects on the Rhino document, coordinate system assumptions, or any constraints on radius/height.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is compact and well-structured, with an imperative first line followed by concise Args and Returns sections. The only minor waste is the controller argument, which is not part of the exposed input schema.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple primitive-creation tool with five numeric parameters and an output schema, the description covers the essential input semantics and the return shape. It could be more complete by noting units, the coordinate frame, or clarifying what 'closed cylinder' means geometrically, but nothing essential is missing for a basic call.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema has no property descriptions (coverage 0%), so the description is the key documentation for parameters. It clearly explains x, y, z as the base-circle center, radius as the base radius, and height as the cylinder height. The mention of a 'controller' argument is slightly confusing because that parameter is not present in the input schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific action ('Create a closed cylinder') and identifies the resource, so an agent knows what the tool does. However, it does not differentiate this tool from the closely named sibling rhino_cylinder, so some ambiguity remains for tool selection.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance about when to use this tool versus alternatives such as rhino_cylinder or rhino_cmd_box, nor any mention of prerequisites or context. The command-style name suggests it may be intended for command execution, but the description does not explain this.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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