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aadeshrao123

Unreal-MCP

by aadeshrao123

compile_blueprint

Compile a Blueprint asset in Unreal Engine to apply and validate script changes, ensuring error-free execution.

Instructions

Compile a Blueprint.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
blueprint_nameYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations are provided, and the description does not disclose any behavioral traits such as side effects, error conditions, or success/failure outcomes. The term 'compile' implies a build process, but no details about what happens during compilation or what the output is.

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 very concise at just three words, but it lacks structure and does not earn its place with substantive information. It could be expanded to include key details without sacrificing brevity.

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

Completeness2/5

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

Given the presence of an output schema and no annotations, the description is incomplete. It does not explain what the output represents, how compilation errors are handled, or any other critical context for an agent to use the tool effectively.

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?

The parameter blueprint_name is described only by its name and type in the schema. The description adds no additional meaning, such as what name format is expected or how it relates to existing blueprints. With 0% schema description coverage, the description fails to compensate.

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 clearly states the verb 'Compile' and the resource 'a Blueprint', which accurately identifies the tool's action. It distinguishes the tool from sibling compile tools like compile_niagara_system and compile_statetree by specifying Blueprint. However, it does not elaborate on what 'compiling' entails in this context.

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?

There is no guidance on when to use this tool versus alternatives, such as when to compile a Blueprint vs. using other blueprint-related tools or when compilation is necessary. No prerequisites or post-conditions are mentioned.

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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