update_rollout

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

No annotations provided, so description must cover behavioral traits. It discloses the action (update percentage) and a key use case (set to 100 to complete), but does not mention restrictions (e.g., can it decrease? any prerequisites?) or potential side effects. Adequate but not comprehensive.

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?

Concise and well-structured: one summary sentence, a usage note, a list of parameters, and a return line. Every sentence adds value with no redundancy.

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?

Tool has 4 required params and an output schema. Description explains parameters and return value. Missing context about when rollout is eligible for update (e.g., must be staged) or error handling, but for a simple update tool, it is mostly complete.

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%, but description provides brief descriptions for all four parameters in the Args section, including range for rollout_percentage (0-100). This compensates for lack of schema documentation, though details could be more precise (e.g., format for package_name).

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?

Clear verb+resource: 'Update the rollout percentage for a staged release.' Differentiates from sibling tools like promote_release and halt_release by specifying the action on rollout percentage. Additional note about setting to 100 adds specificity.

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?

Explicitly states when to use: 'increase or decrease the percentage of users receiving an update' and recommends setting to 100 to complete the rollout. No explicit when-not or alternatives, but purpose is distinct from siblings.

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