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set_parameters

Set multiple parameters on a Houdini node in one call to batch-configure node settings in a live scene.

Instructions

Set multiple parameters at once on a node.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
node_pathYes
parametersYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden for a mutation tool, and it says nothing about permissions, validation of parameter names against the node's schema, partial-application behavior on failure, or undo/reversibility. Only the atomicity hint in 'at once' is offered.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with no filler. Efficient, though its brevity is partly under-specification rather than pure conciseness.

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?

An output schema exists, so return values need not be explained, but for a mutation tool with a nested free-form parameters object and zero annotation coverage, the description omits too much: how to discover valid parameter names (get_parameter_schema exists as a sibling but is not referenced) and what happens on invalid keys.

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

Parameters2/5

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

Schema description coverage is 0% for two required parameters, and 'parameters' is an unconstrained nested object with additionalProperties. The description does not explain the expected key/value format, how parameter names map to the node's parameter schema, or what node_path accepts, so it fails to compensate for the coverage gap.

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?

States a specific verb (set) and resource (parameters on a node) with the distinguishing scope 'multiple ... at once', which separates it from the sibling set_parameter. It stops short of naming that sibling explicitly, so an agent must infer the pairing.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The phrase 'at once' implies this is the bulk alternative to set_parameter, but no when-to-use/when-not guidance, prerequisites, or explicit alternative naming is given. Usage is only implied.

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