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set_cdl

Apply CDL slope, offset, power, and saturation values to a specific node within a video clip's node graph for color correction.

Instructions

Apply CDL values to a specific clip's node.

Args: clip_index: 1-based index of the clip on video track 1. node_index: Index of the node within the clip's node graph. slope: Slope values as space-separated RGB string (e.g. '1.0 1.0 1.0'). offset: Offset values as space-separated RGB string (e.g. '0.0 0.0 0.0'). power: Power values as space-separated RGB string (e.g. '1.0 1.0 1.0'). saturation: Saturation value as string (e.g. '1.0').

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
powerYes
slopeYes
offsetYes
clip_indexYes
node_indexYes
saturationNo1.0

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

With no annotations, the description fails to disclose behavioral traits beyond parameter format. It does not address side effects, prerequisites, or output, relying on an uncharacterized output schema.

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 concise with a front-loaded purpose sentence followed by a clear, structured parameter list, containing no extraneous information.

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?

While parameter details are thorough, the description lacks information on output, error handling, and overall behavior, which is critical given missing annotations and a present but undescribed output schema.

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?

The description compensates for 0% schema coverage by explaining each parameter's meaning, indexing conventions, and required string formats, enabling correct invocation.

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 action 'Apply CDL values' and the target resource 'a specific clip's node,' distinguishing it from related tools like apply_cdl_from_file that apply CDL from a file.

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 description implies usage for direct CDL value application but does not explicitly contrast with alternatives or provide exclusions, leaving the agent to infer when to use this tool vs. other grade-application tools.

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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