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Universal Game Modder

Universal Game Modder

by doritoman90000
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
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detect_engine

Identify a game's engine by scanning its directory, returning engine type, runtime, and primary assembly path.

Instructions

Scan a game directory and detect what engine it uses (Unity, Unreal, Godot, Java, etc.). Returns engine type, runtime, and primary assembly path.

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": {
      "game_path": "<game_path>"
    },
    "name": "detect_engine"
  }
}

Input Schema

NameRequiredDescriptionDefault
game_pathYesFull path to the game directory

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.4

TDQS

B3.2/5.0
Behavior3/5

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

No annotations are provided, so the description carries the behavioral burden. It does disclose the return values (engine type, runtime, primary assembly path), which is useful, but says nothing about permissions, read-only nature explicitly, or failure modes for unrecognized directories.

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?

Two tight sentences, front-loaded with the primary action and then the outputs. No wasted filler, though the return-value sentence partly compensates for the absent output 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 single-parameter detection tool with no output schema, the description covers the action and expected outputs adequately. The main gap is usage guidance relative to sibling detection tools.

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

Parameters3/5

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

Schema description coverage is 100% for the single parameter, so the schema already documents that game_path is the full path to the game directory. The description adds no additional syntax or format detail beyond that baseline.

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 verb ('Scan... and detect') and resource ('game directory'), and enumerates engine types (Unity, Unreal, Godot, Java). This makes the tool's job clear, though it doesn't explicitly contrast with siblings like analyze_file_format or read_unity_assets_info.

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 when-to-use guidance, no prerequisites, and no alternatives to consider. It only describes what the tool does, leaving the agent to infer the appropriate context.

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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