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bmidd0170-sys

Minecraft Mods MCP

analyze_mods

Diagnose Minecraft mod instances for missing dependencies, duplicate jars, missing files, and incompatibilities to identify issues before launching.

Instructions

Analyze the current instance for missing deps, duplicate jars, missing files, and incompatibilities.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.2/5.0
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 burden of behavioral disclosure. It names the categories analyzed but does not state whether the tool is read-only, whether it writes or changes anything, or what kind of result it returns. This is a meaningful gap for a diagnostic tool.

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, well-structured sentence that immediately states the action and the specific analysis categories. Every word contributes value, and there is no redundant or filler content.

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?

For a zero-parameter tool this is reasonably complete: it tells the agent what is analyzed and at what scope. However, with no output schema and no behavioral notes, it does not explain what the tool returns or whether it is safe to invoke as a read-only operation, leaving some context missing.

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, so there is no parameter semantics gap for the description to fill. With 100% schema coverage and no parameters, the baseline of 4 is appropriate; there is nothing missing at the invocation level.

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 names a specific verb ('Analyze') and resource ('the current instance'), and lists exactly what is checked: missing deps, duplicate jars, missing files, and incompatibilities. It is clear and informative, but it does not explicitly distinguish itself from siblings like diagnose or compare_mods, so it falls just short of a 5.

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 implies this is for checking the current instance for problems, but it gives no guidance on when to choose this tool over alternatives like diagnose, health_check, or list_mods. There are no explicit conditions, exclusions, or references to sibling tools.

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