ebay_get_feed_schedule_result_file

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

readOnlyHint=true in annotations already signals a safe read, but the description adds meaningful behavior the annotations do not: the result is an embedded resource carrying content type and file name, and files above 25 MiB are refused. That size cap and return-shape disclosure are exactly the kind of additional context that earns credit.

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?

Three compact sentences; the primary action is front-loaded, followed by return-format and size-limit details, then scope prerequisites. No filler, though the permission note could arguably live in a separate docs section rather than the tool blurb.

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?

With no output schema, the description must explain the return value — and it does, describing an embedded resource with content type and file name. Combined with the size limit and scope requirement, an agent has what it needs to invoke this correctly; only pagination/error semantics are unaddressed, which is minor here.

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 description coverage is 100% and the single scheduleId parameter is fully documented in the schema itself, including its provenance (from create_feed_schedule or a list). The description adds no parameter-level detail beyond that, so it meets the baseline of 3 when the schema does the heavy lifting.

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 — download the latest report generated by a Feed API schedule — and even enumerates the content formats (compressed/plain CSV, XML, JSON). An agent can distinguish it from the sibling ebay_get_feed_task_result_file because it explicitly scopes to reports a *schedule* generated.

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?

Adds concrete usage context: schedules exist only for LMS_ORDER_REPORT and require the sell.fulfillment scope. This tells the agent when the tool is applicable and what prerequisite access is needed, though it does not explicitly route the agent away from the similarly-named task-result sibling.

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