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Unity MCP Claude Code

Unity MCP Claude Code

by MauricePutinas
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
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configure_project

Configure Unity project settings for PlayerSettings, quality level, tags, and layers in a single operation.

Instructions

Setzt Projekt-Einstellungen (Job): PlayerSettings (productName/companyName/bundleVersion/ Auflösung/fullScreenMode/runInBackground/colorSpace), Quality-Level, sowie eigene Tags und Layer.

config = { "productName":"My Game","companyName":"My Studio","bundleVersion":"1.0.0", "defaultWidth":1920,"defaultHeight":1080,"fullScreenMode":"FullScreenWindow", "runInBackground":true,"colorSpace":"Linear","qualityLevel":5, "tags":["Player","Enemy"],"layers":{"8":"Ground","9":"Interactable"} } Layer-Indizes müssen 8..31 sein (0..7 sind reserviert).

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "project_path": "<project_path>",
      "config": "<config>"
    },
    "name": "configure_project"
  }
}

Input Schema

NameRequiredDescriptionDefault
project_pathYes
configYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv2.1.0

TDQS

A3.9/5.0
Behavior4/5

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

Annotations indicate the tool is not read-only and not destructive. The description adds behavioral context by specifying the exact fields that can be set and a constraint on layer indices (8-31), going beyond the minimal annotation hints.

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 extremely concise, using a single sentence plus a code example to convey all necessary information. Every word serves a purpose, and the structure is front-loaded with the purpose.

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

Completeness3/5

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

The description covers the main settings but omits details like whether all PlayerSettings are supported, what happens on missing keys, or the return value. Given no output schema, the agent may need more context for error handling.

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?

With 0% schema description coverage, the description compensates by explaining that the config object can contain PlayerSettings fields, quality level, tags, and layers, and provides a concrete example. This adds significant meaning beyond the raw schema.

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 tool sets Unity project settings (PlayerSettings, quality level, tags, layers) with specific examples, distinguishing it from sibling tools that focus on building, importing, or editing assets.

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 does not indicate when to use this tool over others, nor does it mention prerequisites or when not to use it. No guidance on alternatives is provided.

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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