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sam-david

unreal-mcp

by sam-david

create_anim_montage

Creates an animation montage from a source animation sequence, using a specified name and content directory in Unreal Engine.

Instructions

Create an animation montage from an animation sequence.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesMontage name
pathNoContent directory/Game/Animations
sequence_pathYesSource AnimSequence asset path
Behavior2/5

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

No annotations are provided, so the description must carry the behavioral burden. It does not disclose whether the operation is destructive, whether it overwrites existing assets, or what failures occur. Only the action is stated, with no side effects or return behavior.

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, clear sentence with no filler or redundancy. It is front-loaded with the verb and object, effectively communicating the core function despite omissions in other dimensions.

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?

With full schema coverage and no output schema, the description states the core purpose but lacks behavioral context, prerequisites, and alternative usage. It is minimally viable for a simple creation tool but leaves gaps for an agent needing to understand mutation and side effects.

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?

The input schema provides descriptions for all three parameters (100% coverage), so the baseline applies. The description adds a semantic link by mentioning 'from an animation sequence', which maps to the sequence_path parameter, but does not add format or default details beyond the schema.

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 uses a specific verb 'Create' and clearly identifies the output resource 'animation montage' with its source 'animation sequence'. This distinguishes it from sibling tools like create_anim_blueprint and create_level_sequence.

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 is given on when to use this tool versus alternatives, nor are prerequisites or exclusions mentioned. The description merely states the action, leaving the agent without explicit usage 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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