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NinjaOne MCP Server

NinjaOne MCP Server

get_device_software

Retrieve software inventory for a specific device by device ID to review installed applications and manage assets.

Instructions

Get software inventory for a device

Input Schema

NameRequiredDescriptionDefault
device_idYesThe device ID

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations, the description carries the full burden, and it only implies read-only behavior via the word 'Get'. It says nothing about permissions, pagination, result freshness, or whether the inventory is truncated for large devices.

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?

A single front-loaded sentence with no filler — nothing wasted, but also nothing beyond the minimum. Brevity here is efficient rather than padded.

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 tool with zero annotations, no output schema, and no documentation of what 'software inventory' contains (application names, versions, install dates?), the description is too thin. An agent cannot predict the response shape or scope before calling it.

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?

There is a single required parameter with 100% schema description coverage, so the schema already handles it; the description adds no format, sourcing, or lookup hints beyond 'for a device'. Baseline 3 applies per the high-coverage rule.

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 names a specific verb and resource ('Get software inventory for a device'), which is clearly distinguishable from write operations like reboot_device or run_script. However, it doesn't differentiate from adjacent device read tools such as get_device or get_os_patches, so the agent must infer the boundary.

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 explicit when-to-use guidance, no prerequisites, and no pointer to alternatives despite many device-related siblings (get_device_health, get_antivirus_status, get_os_patches). The only usage signal is the implicit 'pass a device_id to get its software'.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.