create_ranger_group

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

The description emphasizes that this is a 'WRITE OPERATION', which adds some transparency. However, with no annotations provided, it fails to disclose important behaviors like idempotency, error handling if the group already exists, or whether the operation requires special authentication.

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 two sentences with no fluff. However, it is too minimal, lacking essential details that would justify its brevity. It is adequate but not optimally balanced between conciseness and informativeness.

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?

Given the tool's moderate complexity (2 parameters, no annotations, but an output schema exists), the description is minimally sufficient for a simple create operation. It misses context about default values, handling duplicates, and the return value structure, which the output schema might cover but is not referenced.

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 0%, meaning the input schema provides no descriptions for parameters. The description does not compensate by explaining either parameter (group_name or description), leaving the agent without guidance on their expected values or constraints.

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 'Create a Ranger group', which is a specific verb and resource. It directly matches the tool name and distinguishes it from sibling tools like create_ranger_user or create_ranger_role.

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 usage guidelines are provided. There is no information on when to use this tool versus alternatives like update_ranger_group, or any prerequisites such as required permissions or existing services.

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