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

With no annotations, the description carries the full behavioral burden, and it does meaningful work: it discloses that probing stops, that history is retained, and that the operation is idempotent. It omits permissions/auth requirements and any effect on downstream alerts or incidents, but the core behavioral traits are covered.

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?

Two compact sentences, front-loaded with the action and its effect, followed by the idempotency caveat. No filler; every clause earns its place.

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 one-parameter toggle with no output schema and no annotations, the description covers what the agent needs: the state change, history retention, and idempotency. Minor gaps remain around permissions and side effects on related resources, but nothing blocks correct invocation.

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?

There is one required parameter (endpoint_id) with 0% schema description coverage, and the description never mentions it. The parameter name is largely self-explanatory, so the gap is minor, but the description adds no format, source, or constraint information beyond the schema.

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 (pause) and resource (monitored endpoint), and clarifies the effect: stops probing but keeps history. This is enough for an agent to distinguish it from resume_endpoint, delete_endpoint, and update_endpoint_interval without opening any schema.

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?

No explicit when-to-use or when-not-to-use guidance and no sibling named as an alternative. The idempotency note ('no-op if already paused') implicitly tells the agent it is safe to call repeatedly, but that is inferred rather than stated as usage guidance.

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