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

Annotations already declare destructiveHint=true and readOnlyHint=false, and the description usefully narrows that: what is affected is scheduled checks, while history is preserved. That is genuine context beyond the structured fields, though it does not state whether resuming restores the prior schedule or whether the state change is immediate.

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?

A single parenthetical sentence, front-loaded with the action and followed by the exact effect. Every clause earns its place with no redundant restatement of the title.

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 one-parameter state-change tool with annotations and no output schema, the description covers the essential question of what changes and what is preserved. Missing only the resume path and any permission requirements, which are minor for this complexity.

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 single parameter is fully documented in the schema, including its source ('from list_monitors'), so the schema carries the burden. The description adds no meaning beyond that, which matches the baseline-3 expectation at 100% coverage.

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?

States a specific verb and resource ('Pause a monitor') and adds operational scope: scheduled checks stop and history is retained. It does not explicitly name the counterpart resume_monitor, but the verb 'pause' is unambiguous against siblings like delete_monitor or update_monitor.

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 explicit guidance on when to pause versus delete or update, nor any stated prerequisites or the condition for resuming. Usage is only implied by the verb itself, so the agent must infer the workflow.

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