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sonisoft-cnanda

now-sdk-ext-mcp

Get Knowledge Base Details

get_knowledge_base

Retrieve details of a specific knowledge base including total articles and categories to assess its scope before browsing contents.

Instructions

Get details of a specific knowledge base by sys_id, including the total number of articles and categories. Use this to understand the scope of a KB before browsing its contents.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
instanceNoThe ServiceNow instance auth alias to use. This is the alias configured via `now-sdk auth --add` (e.g., "myinstance", "prod", "test"). The user will typically refer to this by name when saying things like "on my myinstance instance". If not provided, falls back to the SN_AUTH_ALIAS environment variable.
sys_idYesThe sys_id of the knowledge base.
Behavior3/5

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

No annotations are provided, so the description must convey behavioral traits. It discloses that the tool returns details including article and category counts, but does not mention permissions, error handling, or side effects. This is adequate but lacks depth.

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 two sentences, front-loaded with purpose, and no wasted words. It efficiently communicates what the tool does and when to use it.

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 annotations or output schema, the description covers the tool's purpose, returned data (articles and categories), and a usage scenario. It is almost complete; only missing details on error conditions or requirements.

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 description coverage is 100%, so the schema already documents both parameters adequately. The tool description adds minimal value beyond noting retrieval by sys_id, which is already in the schema. Baseline 3 applies.

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 tool gets details of a specific knowledge base by sys_id, including article and category counts. It uses a specific verb and resource, and differentiates from sibling tools like list_knowledge_bases and get_kb_article.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear context by advising to 'use this to understand the scope of a KB before browsing its contents.' This implies appropriate use cases but does not explicitly name alternatives or 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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