calendars_validate_groups_slug

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

The description provides no behavioral details beyond the verb 'validate'. Annotations indicate readOnlyHint: false (suggesting possible side effects) and openWorldHint: true, but the description doesn't clarify whether the operation is purely a check or if it has side effects, nor what happens on validation failure (e.g., error vs boolean return). The burden of disclosure falls on the description, which is inadequate.

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 a single short phrase, 'Validate group slug', which is extremely concise and front-loaded. No superfluous words. However, it is so brief that it sacrifices informative content, but as a matter of conciseness, it is efficient.

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?

With no output schema, the description should explain what the validator returns (e.g., boolean, error list) and what 'valid' means (e.g., slug format, availability). It also doesn't mention any optional inputs like locationId or their role. The tool is underspecified for an agent to use it correctly without additional external knowledge.

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 description coverage is 100%, but the descriptions are minimal: 'slug' is described as 'Slug' (tautological) and 'locationId' provides a default context. The tool description adds no additional meaning or clarifications about parameter usage, formats, or constraints, so it doesn't enhance the schema beyond what's already there.

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 states a clear verb ('validate') and resource ('group slug'), which is specific enough to distinguish it from CRUD operations like calendars_get_groups or calendars_edit_group. However, it doesn't elaborate on what validation entails (e.g., format check, existence check), leaving some ambiguity about the exact outcome.

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?

There is no guidance on when to use this tool vs alternatives, nor any mention of prerequisites or conditions. The phrase 'validate group slug' implicitly suggests use before creating or editing a group, but this is not stated explicitly, and no alternatives are referenced.

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