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theloniuser

InDesign UXP MCP Server

by theloniuser

edit_text_frame

Edit an existing text frame in InDesign by updating its content, font, size, color, and alignment.

Instructions

Edit an existing text frame

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
frameIndexYesIndex of the text frame to edit
contentNoNew text content
fontSizeNoFont size in points
fontNameNoFont name
textColorNoText color (RGB hex or name)
alignmentNo
Behavior2/5

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

No annotations are provided, and the description only says 'edit', which implies mutation but offers no details on side effects, authorization needs, or potential destructive actions. The tool's behavior is largely opaque.

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 a single sentence that fits the purpose without unnecessary verbosity. It is front-loaded but slightly too terse to cover behavioral aspects.

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?

For a mutation tool with 6 parameters and no annotations or output schema, the description should provide more context about return values, side effects, or usage patterns. It is insufficient.

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 83%, so the schema already describes most parameters. The description adds no additional parameter meaning whatsoever, resulting in a baseline score of 3.

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?

The description 'Edit an existing text frame' clearly states the action and resource, but does not explicitly distinguish from siblings like create_text_frame. It is specific enough to convey the main purpose.

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?

There is no guidance on when to use this tool versus alternatives such as create_text_frame or set_page_item_properties. The description lacks any context about prerequisites or exclusions.

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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