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

Annotations already communicate that this is a non-read-only, idempotent, non-destructive operation. The description adds a mild behavioral detail by scoping the action to paused monitors, but it says nothing about errors, side effects, or response behavior. No contradiction with annotations.

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 a single front-loaded sentence with no filler. 'Resume a paused monitor' is compact while carrying the essential meaning.

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-transition tool with complete schema coverage and unambiguous annotations, the description is sufficient to guide invocation. It could mention what happens if the monitor is not paused or what the response contains, but these are minor gaps for a state-changing op with no output schema.

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% and the id parameter is already documented as 'Monitor id'. The description does not need to add parameter detail and provides none, so the baseline of 3 applies.

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 a specific verb ('Resume') and a specific resource ('monitor'), and the word 'paused' distinguishes it from its sibling pause_monitor. There is no ambiguity about what the tool does.

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 phrase 'a paused monitor' implies the tool should be used when a monitor is in a paused state, but it never explicitly states this or mentions alternatives like pause_monitor or get_monitor. Guidance is present only by implication.

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