Create a group

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

The description adds meaningful behavioral context beyond the annotations: the group starts with no permissions, no page rules, and grants nothing until update_group is called. This is valuable for an agent deciding whether creation alone is sufficient, and it goes beyond the idempotentHint=false annotation.

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?

Two sentences, no filler. The primary action is stated first, followed by one sentence of behavioral context that also names the relevant sibling tool. Every part earns its place.

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 creation tool with a single required parameter and no output schema, the description covers the essential semantics: what is created, its initial state, and the next step via update_group. It does not describe return values or duplicate-name behavior, but these are minor gaps given the tool's simplicity and the rich schema for the only parameter.

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 only parameter, name, is already fully documented in the schema with a description and constraints (string, minLength 1, maxLength 255). The tool description adds no further parameter detail, so the baseline score of 3 applies because schema coverage is 100%.

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 'Creates an empty group,' naming a specific verb and resource and noting the initial state. It distinguishes the behavior from the sibling update_group by explaining that the new group needs further configuration before it grants anything.

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 description clearly indicates that create_group produces an empty container and that update_group is required to add permissions or page rules. This implies when to use the tool and its relationship to the follow-up sibling, though it does not explicitly list exclusions or alternatives beyond update_group.

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