zabbix_hostgroups

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

No annotations are provided, so the description carries the burden. '[READ]' is a clear behavioral label indicating no mutation, and 'ids + names' hints at the response content. Yet it does not disclose the response format, potential errors, or auth/permission requirements, so behavioral transparency is only partial.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise and front-loaded: the READ label and purpose appear first, followed by a clearly separated Args block. There is no filler; every sentence adds information.

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

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

For a single-parameter read tool, the description covers purpose, parameter, and output content at a high level. However, since there is no output schema and the description does not detail the exact return structure (e.g., array of objects) or default target behavior, it is not fully complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema has one optional parameter 'target' with 0% description coverage, but the description's Args section explains it as 'Zabbix target name from config; omit for the default.' This meaningfully compensates for the schema by clarifying the parameter's origin and optionality, although it assumes familiarity with a config.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with '[READ]', clearly signaling a read operation, and specifies the resource (Zabbix host groups) plus the content returned (ids + names). It is distinguishable from sibling tools like zabbix_hosts and zabbix_triggers by resource name. However, the verb is implied rather than stated as 'list' or 'get', so it could be slightly more explicit.

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

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

The phrase 'for inventory and maintenance' gives a general context for when the tool is applicable, but it does not explicitly contrast with alternatives, nor say when not to use it (e.g., use zabbix_hosts to retrieve hosts). This leaves some inference to the agent.

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