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aadeshrao123

Unreal-MCP

by aadeshrao123

remove_mapping_modifier

Remove a modifier from a mapping in an Input Mapping Context by specifying the asset path, mapping index, and modifier index.

Instructions

Remove a modifier from a mapping in an Input Mapping Context.

Args: context_path: Path to the IMC asset mapping_index: Index of the mapping modifier_index: Index of the modifier within that mapping

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
context_pathYes
mapping_indexYes
modifier_indexYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

Annotations are absent; description carries full burden. It only states the removal action without disclosing side effects, reversibility, permissions, or impact on the IMC asset. For a mutation tool, this is insufficient.

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?

Description is concise with one sentence and a clear parameter list. No unnecessary words. Could benefit from a more structured format, but effective for its length.

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?

Given the tool's simplicity (remove modifier by index), description explains parameters adequately. However, it lacks context about what a modifier is, prerequisites, or effects. Output schema exists but is not shown, so return values are handled.

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?

Schema coverage is 0%, so description must compensate. The Args section adds meaning to each parameter (e.g., 'Path to the IMC asset', 'Index of the mapping'). While not highly detailed, it provides essential context beyond raw schema types.

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?

Description clearly states the action: 'Remove a modifier from a mapping in an Input Mapping Context'. It distinguishes from sibling tools like 'remove_mapping_trigger' and 'add_mapping_modifier' by specifying the element being removed (modifier) and the context (mapping in IMC).

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

Usage Guidelines3/5

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

No explicit guidance on when to use vs alternatives. The purpose implies usage for removing modifiers, but no when-not-to-use or prerequisite information is provided.

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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