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

Annotations already indicate this is a non-read-only operation; the description adds important behavioral context by stating that closing returns unused credits to the user's balance and that a token is required. It does not cover reversibility or confirmation requirements, so it is strong but not complete.

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 two compact sentences, front-loads the core action, and every sentence adds value: operations, side effect, and auth requirement.

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 two-parameter mutation tool with annotations and no output schema, it covers the core action and key side effect. Gaps remain around where the token must be supplied and whether closing is irreversible or requires confirmation.

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 50%: package_name is documented in the schema, while status has only an enum. The description adds useful intent-level meaning by mapping pause/resume/close to the status options, but it does not further explain package_name or token handling.

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 uses specific verbs and a clear resource: pause, resume, or close a campaign. It does not explicitly differentiate itself from sibling tools such as start_campaign, but the action is still easy to identify.

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 status operations imply usage on an existing campaign, and the token requirement is noted. However, there is no explicit guidance on when to use this instead of start_campaign or other campaign tools, and no exclusions are stated.

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