get_bulk_download_url

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

Annotations already declare readOnly, idempotent, and non-destructive hints. The description adds valuable context about the signed URL's expiration and the dependency on a prior get_bulk_list call, enhancing behavioral understanding beyond 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?

Compact and well-organized: summary, usage, plans, and args. Every sentence is actionable and non-redundant, with critical details front-loaded.

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 single-parameter tool with an output schema, the description covers prerequisites, timing, and invocation, leaving no critical gaps for an agent to select or call it correctly.

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 has 0% description coverage, but the description fully defines the 'key' parameter as 'File key obtained from get_bulk_list', adding provenance and type context that the schema lacks.

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?

Description clearly states 'get a signed URL for a specific file' and identifies itself as 'Step 2 of bulk CSV download', distinguishing it from sibling get_bulk_list and other get_* tools with a specific verb and resource.

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?

Explicitly instructs 'Use after get_bulk_list; pass the Key returned there', providing sequencing and parameter source. Also notes time-sensitive behavior ('URL expires in approximately 5 minutes'), guiding immediate use.

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