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create_uib_component

Create a custom UI Builder component for ServiceNow. Define its name, label, description, and category.

Instructions

Create a custom UI Builder component (macroponent). [Scripting]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesComponent name
labelYesDisplay label
descriptionNo
categoryNoComponent category
Behavior3/5

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

Annotations already indicate the tool is not read-only, not destructive, not idempotent, and is open world. The description adds '[Scripting]' as context, but does not disclose additional behavioral traits like required permissions or side effects. The description adds marginal value beyond annotations.

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 very concise and front-loaded, with a single sentence and a tag. It avoids verbosity but could benefit from slightly more structure to aid scanning.

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 tool has 4 parameters (2 required), no output schema, and lacks usage guidance, the description is too minimal. It does not address return values, prerequisites, or potential errors, leaving the agent with insufficient context for correct invocation.

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 75%, below the 80% threshold, yet the description provides no extra parameter-level details. The description does not clarify the meaning or constraints of any parameter, leaving the undocumented 'description' parameter without guidance.

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 verb 'Create' and the resource 'custom UI Builder component' with the technical term '(macroponent)'. This is specific and distinguishes it from sibling tools like 'create_uib_page' and 'update_uib_component'.

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?

The description provides no explicit guidance on when to use this tool versus alternatives (e.g., 'create_uib_page' or 'update_uib_component'). The '[Scripting]' tag implies a scripting context but is insufficient for clear decision-making.

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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