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Universal Game Modder

Universal Game Modder

by doritoman90000
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JavaScript
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extract_strings_advanced

Extract ASCII and UTF-16 strings from binary files, with optional case-insensitive filtering, minimum length, and result limits for binary inspection.

Instructions

Extract ASCII and UTF-16 strings from a binary file with filtering.

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": {
      "file_path": "<file_path>"
    },
    "name": "extract_strings_advanced"
  }
}

Input Schema

NameRequiredDescriptionDefault
filterNoOptional filter (case-insensitive substring match)
encodingNoEncoding: ascii, utf16, both (default: both)
file_pathYesPath to the binary file
min_lengthNoMinimum string length (default 4)
max_resultsNoMax results (default 500)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.4

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden. It says nothing about return format, ordering, truncation behavior when max_results is hit, or performance on large binaries, all of which matter for a scanning tool.

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?

A single efficient sentence with the core action front-loaded and no wasted words. It is arguably under-specified rather than bloated, which is a mild cost but not a structure problem.

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

Completeness2/5

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

With no annotations, no output schema, and five parameters, the description should explain returns and the distinction from 'extract_strings'. It does neither, leaving the definition thin for the tool's complexity.

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 coverage is 100%, so all five parameters (filter, encoding, file_path, min_length, max_results) are documented in the schema itself. The description's mention of ASCII/UTF-16 and filtering mirrors the encoding and filter params but adds no syntax or format detail beyond the schema, so the baseline 3 is correct.

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?

States a specific verb+resource ('Extract ASCII and UTF-16 strings from a binary file') with the added filtering scope. It is clear, but it never differentiates itself from the sibling 'extract_strings' despite the 'advanced' name, leaving the agent unable to tell which of the two to pick.

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?

No when-to-use, when-not-to-use, or alternative routing is given. With a near-identical sibling ('extract_strings') present, the absence of any guidance on when 'advanced' is preferred is a real gap.

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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