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get_attachment

Retrieve a specific attachment from OpenProject by its unique ID to access file details and content.

Instructions

Get a single attachment by id.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
attachment_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYes
urlYes
titleYes
authorYes
statusYes
file_nameYes
file_sizeYes
created_atYes
descriptionYes
container_idYes
content_typeYes
download_urlYes
container_typeYes
Behavior2/5

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

No annotations are provided, and the description does not disclose behavioral traits such as safety, permissions, or return characteristics. As a simple get operation, it is generally safe, but the description adds no transparency beyond the tool name.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no wasted words. It is appropriately sized for a simple retrieval tool.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's simplicity and presence of an output schema, the description is adequate but lacks contextual links to sibling tools (e.g., how to obtain the attachment id). It partially meets completeness but could be improved.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 0% schema description coverage, the description must compensate, but it only reiterates 'by id' for the attachment_id parameter. This adds minimal meaning beyond the parameter name itself.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Get a single attachment by id' uses a specific verb ('get') and resource ('attachment'), clearly distinguishing from sibling tools like list_work_package_attachments. It is direct and unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives (e.g., list_work_package_attachments for listing). It lacks explicit context for usage.

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

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