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simple-3d-modeling-mcp

simple-3d-modeling-mcp

by mazzanfar
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

cheatsheet

Access an OpenSCAD cheatsheet with primitives, transformations, and tips to recall syntax while creating 3D models.

Instructions

Get an OpenSCAD language cheatsheet with primitives, transformations, and tips.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "cheatsheet"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.2.12

TDQS

A4/5.0
Behavior4/5

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

No annotations are provided, so the description carries the burden of behavioral disclosure. It conveys that the tool is a read-only informational retrieval ('Get') and specifies the content categories. It does not describe output format, but for a simple cheatsheet lookup this is mostly sufficient.

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

Conciseness5/5

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

The description is a single, front-loaded sentence with no filler or redundant information. Every word contributes to telling the agent what the tool returns.

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 zero-parameter informational tool, the description is nearly complete: the agent knows what to call and what content to expect. It lacks explicit details about return format or version coverage, but those are not critical for selecting or invoking this tool.

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 tool has zero parameters and the schema is empty, so there are no parameter meanings to document. Per the zero-parameter baseline, a score of 4 is appropriate; the description adds no parameter information because none is needed.

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

Purpose5/5

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

The description clearly states the verb ('Get') and the resource ('OpenSCAD language cheatsheet'), and enumerates the content scope: primitives, transformations, and tips. It is easily distinguished from the sibling tools, which are all rendering, export, validation, or file-reading operations.

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?

The description gives no guidance about when to use this tool versus alternatives, and no explicit when-not-to-use conditions. It is only implied that it is for language reference material, but there is no direct routing or exclusion information.

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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