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Fannon

u-he-preset-randomizer-mcp

explain_preset

Get detailed information about a u-he preset, including metadata and optional full parameter list, to understand its unique characteristics.

Instructions

Get detailed information about a specific preset including all metadata, parameters, and values. Use this to understand what makes a preset unique. Requires a synth to be selected first.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
preset_nameYesName of the preset to explain (without .h2p extension)
include_parametersNoInclude full parameter list in the explanation. Defaults to false (only shows metadata).
Behavior3/5

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

No annotations provided, so description carries full burden. States it fetches detailed info and requires a synth selected, but does not describe error handling, side effects, or auth needs. Adequate but not thorough.

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?

Two sentences with no filler. First sentence states purpose, second adds usage context. Highly efficient.

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?

No output schema; description mentions returned content but not structure. Precondition is noted, but more details on response format would improve completeness.

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%, so description adds minimal value beyond the schema. The phrase 'including all metadata, parameters, and values' slightly conflicts with the default of include_parameters=false, but schema clarifies.

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?

Clearly states the verb 'get' and resource 'preset' with specific scope 'detailed information including all metadata, parameters, and values'. Differentiates from sibling tools like list_presets or filter_presets.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says when to use ('to understand what makes a preset unique') and states a prerequisite ('Requires a synth to be selected first'). Does not mention alternatives or when not to use.

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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