notifications_cancel

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

No annotations are provided, so the description carries full burden. It only mentions the HTTP request format, not behavioral details like side effects (e.g., irreversible action, permission requirements, or response behavior). The lack of these details is a significant gap.

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 brief and to the point, with no extraneous information. It could be more concise by omitting the technical HTTP example and focusing on semantic intent, but it is not verbose.

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 the tool has one required parameter and no output schema, the description should clarify the result of cancellation (e.g., success response, error conditions). It fails to provide this, leaving the agent uncertain about what happens after the request.

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 the parameter notification_id is already described in schema. The description does not add any new meaning beyond referring to the endpoint path, thus baseline 3 is appropriate.

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 the tool cancels a scheduled notification, which is a specific verb and resource. It distinguishes from siblings like notifications_create and notifications_get, but could be clearer about what 'cancel' entails (e.g., irreversible removal vs. temporary disabling).

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 implies usage by specifying the HTTP method and endpoint, but does not explain when to cancel (e.g., before notification is sent) or when not to use it (e.g., if already sent). No alternatives are mentioned against sibling tools.

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