updateCases

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

No annotations are provided, so the description carries the full burden. It mentions batch update with same field values but does not disclose whether fields are overwritten or merged, required permissions, or rate limits. For a mutation tool, this is insufficient.

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 concise, with a main sentence and a brief NOTE. It includes bilingual text (English and Japanese) which is slightly redundant but acceptable. All sentences are relevant and provide necessary details.

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 15 parameters, no output schema, and no annotations, the description covers the batch update nature and specific template requirements. However, it does not explain return values or error behavior, which is a gap for completeness.

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 baseline is 3. The description adds value by explaining the requirement of templateId=2 for customStepsSeparated, and the format of customFields. It also clarifies the use of customSteps and customExpected for simple text steps, going beyond the schema.

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 'Updates multiple test cases simultaneously with the same field values', specifying the action (updates), resource (multiple test cases), and scope (same values). It distinguishes from sibling tools like updateCase (singular) and addCase (creation).

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 includes a NOTE about templateId=2 and the distinction between customStepsSeparated and customSteps/customExpected. However, it does not explicitly mention when to use this tool versus alternatives like updateCase for single cases, or clarify that it is for batch updates only.

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