Get devices

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

Annotations already establish read-only, idempotent, non-destructive behavior. The description adds only the HTTP method and 'Body fields: none', a small request-construction detail, but doesn't describe response shape, pagination behavior, or scope. 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 very short and front-loaded with the core operation and endpoint. The reference URL is optional but not harmful; there is no filler or redundancy. It is concise, though not rich.

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-optional-parameter, read-only list operation, the schema and annotations cover most invocation details. However, there is no output schema and the description doesn't describe the result shape or how this call relates to sibling device tools, leaving a moderate gap.

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 query parameter is already described in the schema with documented names, comma-joining, and explicit offset/limit pagination (100% schema coverage). The description contributes nothing about parameters beyond noting no body fields, so the baseline of 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 operation ('Get devices'), identifies the resource ('devices'), and gives the exact endpoint (GET /api/xm/1/devices), making it clear this is the plural list call. It is distinguishable from xmatters_get_a_device by the plural resource, though it doesn't explicitly spell out list semantics.

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 offers no guidance on when to use this tool versus siblings such as xmatters_get_a_device, xmatters_get_device_names, or xmatters_get_a_person_39_s_devices. There are no exclusions or alternatives, so an agent must infer routing from the name alone.

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