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aadeshrao123

Unreal-MCP

by aadeshrao123

rename_niagara_script_parameter

Rename a Niagara script parameter across both asset and edit-copy graphs while preserving its connections and references.

Instructions

Rename a script parameter in-place across both asset and edit-copy graphs.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
new_nameYes
old_nameYes
directionNooutput
module_nameNo
script_pathNo
system_pathNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations exist, so the description must describe behavior. It only mentions 'in-place across both asset and edit-copy graphs' but omits effects of renaming (e.g., breaking references, permission requirements, what happens if old_name doesn't exist).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise (one sentence, 13 words) but sacrifices essential detail. It is front-loaded with the action, but every sentence should earn its place; here it is too terse.

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

Completeness1/5

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

With 6 parameters, no schema descriptions, no annotations, and an output schema not shown, the description is severely incomplete. It does not explain how to identify the parameter (e.g., module_name, script_path) or the role of direction.

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

Parameters1/5

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

Schema coverage is 0%, meaning no parameter descriptions in schema. The description does not explain any of the 6 parameters (old_name, new_name, direction, module_name, script_path, system_path), leaving the agent to guess their meaning.

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 specifies the action ('Rename a script parameter') and the scope ('in-place across both asset and edit-copy graphs'), distinguishing it from sibling tools like add/remove/list script parameters.

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 guidance on when to use this tool vs alternatives (e.g., add/remove), no prerequisites or exclusions provided. The agent must infer usage from 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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