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update_script_include

Idempotent

Update a ServiceNow Script Include by specifying its system ID and fields to modify.

Instructions

Update a script include (requires SCRIPTING_ENABLED=true)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
fieldsYesKey-value pairs to update
sys_idYesSystem ID of the script include
Behavior4/5

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

Annotations already indicate this is a mutable, idempotent, non-destructive operation. The description adds behavioral context by specifying the SCRIPTING_ENABLED prerequisite, which is a critical constraint not covered by annotations. No contradictions.

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 a single sentence with no wasted words. It is front-loaded with the action and includes a key prerequisite, making it efficient and easy to parse.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and simple parameters, the description is fairly complete. It states the operation and a required setting. However, it could mention that fields is a key-value object for script attributes, but the schema already covers that. The annotations provide a safety profile.

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?

The input schema has 100% coverage, describing both parameters adequately. The description does not add further meaning or examples beyond what the schema provides, so baseline 3 is appropriate.

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 uses a specific verb ('Update') and resource ('script include'), clearly stating the action. It distinguishes from sibling tools like create_script_include, get_script_include, and list_script_includes by focusing on modification.

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 mentions a prerequisite ('requires SCRIPTING_ENABLED=true'), which is useful for context. However, it does not explicitly state when to use this tool over alternatives like update_record, nor does it provide guidance on when not to use it.

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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