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Glama

set_component_property

Change a component's property value in O3DE using entity ID, component type, property path, and string-formatted value.

Instructions

Set a property value on a component.

Args: entity_id: The entity ID. component_type: Component type name (e.g. 'Transform'). property_path: Property path using '|' separator (e.g. 'Controller|Configuration|Model Asset'). value: The value to set (as a string — booleans as 'true'/'false', numbers as their string representation).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
valueYes
entity_idYes
property_pathYes
component_typeYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.3.0

TDQS

B3.4/5.0
Behavior2/5

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

With no annotations, the description carries the full behavioral burden. It implies mutation by saying 'set', but does not disclose side effects, error behavior, permissions, reversibility, or whether the component must already exist. The value serialization note is useful but mostly parameter-oriented, not behavioral.

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 compact, front-loaded with a one-sentence summary, and uses a structured argument list that makes each parameter easy to parse. No filler or repeated schema information is present.

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?

The parameter documentation is strong enough for a straightforward call, and an output schema exists so return values are not a major gap. However, the description does not explain when to use this tool relative to transform/property siblings or what happens after the set, leaving moderate contextual gaps.

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

Parameters5/5

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

Schema description coverage is 0%, and the description fully compensates by explaining every parameter. It gives component_type an example, property_path a separator convention and example, and value critical string-encoding rules for booleans and numbers. This is exactly the kind of detail the schema lacks.

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 operation: setting a property value on a component. It is specific enough to distinguish from read-style siblings like get_component_property, though it does not explicitly name any alternative or exclusion.

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 set_transform, add_component, or get_component_property. The description jumps straight into arguments, leaving the agent to infer appropriate usage.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.