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create_material_workflow

Create a material node in Houdini's material context by specifying its name, parent path, and material type.

Instructions

Create a material node in a material context.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameNomat_principled
parent_pathNo/mat
material_typeNoprincipledshader
Behavior2/5

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

No annotations are present, so the description must carry the full burden of behavioral disclosure. It only says 'create' without explaining side effects, whether the parent_path must exist, what happens on conflict, or what the return value is—leaving significant behavioral ambiguity.

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 a single sentence with no fluff, which is concise. However, the extreme brevity results in under-specification rather than efficient structure, providing only the bare minimum of information.

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 absence of annotations and output schema, and no parameter descriptions, the tool is not adequately described for correct invocation. It lacks critical context such as valid material_type values, the meaning of 'material context', and how it relates to sibling tools like list_material_types.

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 input schema has no descriptions for name, parent_path, or material_type, and the description mentions none of them. With 0% schema description coverage, an agent receives no explanation of parameter meaning, valid values, or defaults beyond the raw property names and defaults, which is insufficient.

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 action (create) and resource (material node), which is more specific than a tautology. However, it does not distinguish itself from the sibling tool create_material_network, and 'in a material context' is somewhat vague.

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 provided on when to use this tool versus alternatives like create_material_network or assign_material_workflow. The description lacks any context about prerequisites, typical use cases, or when not to use it.

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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