Set render parameters on a Houdini ROP node by providing the node path and parameter name-value pairs. This allows precise control over rendering options.
Set render parameters on a ROP node.
Args: node_path: ROP node path. settings: Parameter name-value pairs.
| Name | Required | Description | Default |
|---|---|---|---|
| settings | No | ||
| node_path | Yes |
Changes observed during successful MCP inspections.
v0.1.0Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden of behavioral disclosure. It only says 'Set render parameters', which implies mutation, but provides no details on side effects, whether the node is cooked, overwriting behavior, or reversibility. This is insufficient for a mutation tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is concise and well-structured with an Args list. Every sentence contributes, and it is not bloated. However, the Args section is slightly redundant with the schema property names, but overall it is efficient.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a mutation tool with no annotations and no output schema, the description is quite minimal. It lacks information about prerequisites, error handling, return values, or relationship to related tools like get_render_settings. An agent may not know how to invoke it correctly in a real workflow.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 0%, and the description adds brief but meaningful semantics: node_path is 'ROP node path' and settings are 'Parameter name-value pairs'. This helps clarify the parameters beyond the bare schema, though it could be more detailed about the settings format.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it sets render parameters on a ROP node, which is a specific verb and resource. It does not explicitly differentiate this from sibling tools like set_parameter or set_parameters, so it lacks the explicit sibling distinction needed for a 5.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description gives no guidance on when to use this tool versus alternatives, such as set_parameter or set_parameters. The phrase 'on a ROP node' implies a context, but there is no explicit 'when to use' or 'when not to use' guidance.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.