create_department

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

The description labels the tool as [DESTRUCTIVE], indicating it modifies state, and mentions return value. However, with no annotations, it misses other behavioral traits such as permission requirements, uniqueness constraints on Name, or side effects.

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 very concise at one sentence with a useful [DESTRUCTIVE] prefix. It is front-loaded and contains no fluff, though it could expand on a key constraint like uniqueness without losing conciseness.

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 simple create tool with 3 params and full schema, the description is adequate but lacks usage guidelines and mentions of constraints (e.g., unique Name). With no output schema or annotations, it leaves some gaps for the agent.

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?

Schema coverage is 100%, so the input schema already describes each parameter. The description adds no additional meaning 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.

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

The description clearly states it creates a new department in 3CX and returns the assigned Id. The verb 'creates' and specific resource 'department (group)' differentiate it from sibling tools like list_departments (read-only) and update_department (modify).

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?

No explicit guidance on when to use this tool versus alternatives. The [DESTRUCTIVE] tag hints it's a write operation, but there is no mention of prerequisites, when to prefer it over update_department, or scenarios for creation.

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