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create_master_guides

Creates guides on an InDesign master spread. Configure rows, columns, gutters, color, and fit to margins for precise layout control.

Instructions

Create guides on a master spread

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
masterNameYesMaster spread name
numberOfRowsNoNumber of rows
numberOfColumnsNoNumber of columns
rowGutterNoRow gutter in mm
columnGutterNoColumn gutter in mm
guideColorNoGuide color (RGB values as comma-separated string or UI color name)BLUE
fitMarginsNoFit guides to margins
removeExistingNoRemove existing guides
layerNameNoLayer name to create guides on
Behavior2/5

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

With no annotations, the description should disclose behavioral traits like whether guides are overwritten (implied by removeExisting parameter) or if the master spread must exist. The brief description fails to provide these details.

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 concise (one sentence), but for a tool with 9 parameters, it could benefit from more structure or context. It is not wasteful but also not optimally informative.

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 no output schema and many parameters, the description should explain what action completes (e.g., success feedback) and any prerequisites. The minimal description leaves gaps for an agent to infer behavior.

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

Parameters3/5

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

Schema coverage is 100% with descriptive parameter names and defaults, so the schema itself carries the parameter semantics. The description adds no additional meaning beyond the overall purpose.

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 (Create guides) and the specific resource (master spread), distinguishing it from sibling tools like create_page_guides (for pages) and create_spread_guides (for spreads).

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 usage guidelines are provided, such as when to use this tool versus other guide-related tools or prerequisites like ensuring the master spread exists. The description offers no context on appropriate usage.

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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