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set_color_ramp

Configure a material's Color Ramp node by defining color stops and interpolation method (LINEAR, EASE, etc.) for shader control.

Instructions

设置 Color Ramp:stops=[{position, color}],interpolation: LINEAR/EASE/CONSTANT/B_SPLINE/CARDINAL。

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nodeYes
stopsYes
materialYes
interpolationNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.1/5.0
Behavior1/5

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

The description does not disclose any behavioral traits such as side effects, return values, error conditions, or scene modifications. No annotations exist to supplement this.

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?

The description is concise, with a single sentence that front-loads the purpose and includes essential parameter details. It avoids unnecessary verbosity but is slightly terse.

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 schema descriptions and output schema, the description is not fully complete. It omits how to specify material and node, which are critical for actual invocation.

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

Parameters4/5

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

The description provides meaningful semantics for stops (structure with position and color) and interpolation (valid enum values), which the schema lacks. However, material and node parameters are left unexplained, so coverage is partial.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool sets a Color Ramp, with a specific verb and object. It distinguishes itself from sibling tools like set_node_input or set_principled_inputs by focusing on the color ramp specifically.

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. It only restates the purpose without contextual cues or example scenarios.

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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