updateCategory

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

No annotations are provided, and the description discloses no behavioral traits. It does not mention if the operation is destructive, requires special permissions, or has any side effects. The description is entirely silent on behavior beyond the fact that it updates.

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 sentence, which is concise, but it lacks substance. It does not earn its place as it provides only tautological information. A good description should be concise yet informative; this one is under-specified.

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 and no description of return values, the agent is left guessing about the tool's output. There is no mention of cancellability, idempotency, or any post-update behavior. The description is incomplete for an update operation.

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 description coverage is 67%, with detailed descriptions for plan_id and category_id and for sub-properties of the 'category' parameter. The tool description adds no additional meaning beyond the schema. Baseline 3 is appropriate since the schema does the heavy lifting.

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 'Update a category' states a verb and resource, but it is vague as it does not specify what aspects of the category can be updated. It barely distinguishes from siblings like 'updateCategoryGroup' or 'updateMonthCategory', as the tool name itself carries the differentiation. The description adds little beyond the name.

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 versus alternatives. No mention of prerequisites, such as whether the category must exist, or when to use 'createCategory' instead. The description provides no usage context.

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