downloadAttachmentToLocalFile

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

With no annotations, the description carries full responsibility for disclosing behavior, but it only says 'download to local file system'. It omits important details such as default output directory, overwrite behavior, error handling, or any authentication requirements.

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 redundancy. However, it is so brief that it sacrifices valuable context, though it earns points for not being verbose.

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?

Given the tool has nested parameters, no output schema, and no annotations, the description is severely under-specified. It does not explain the output directory default, required parameters, or how this tool fits among similar download/upload siblings.

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 schema includes descriptions for attachmentId, filename, and outputDir, but the description adds no parameter information. With 0% schema_description_coverage, the description fails to clarify how the parameters relate to the download process, leaving the agent to rely solely on 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?

The description clearly states the action (Download), the resource (attachment file from Redmine), and the destination (local file system). It effectively distinguishes from sibling tools like downloadThumbnailToLocalFile and downloadAttachmentAsBase64Content.

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 guidance provided on when to use this tool versus alternatives such as downloadThumbnailToLocalFile or downloadAttachmentAsBase64Content. There is no mention of prerequisites, exclusions, or typical use cases.

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