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list_snapshots

Retrieve disk snapshots, optionally filtered by devbox, to review backup states and choose a restore point.

Instructions

List disk snapshots, optionally filtered to a devbox.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMaximum number of snapshots to return.
devbox_idNoOnly return snapshots created from this devbox.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

No annotations are provided, so the description must convey behavior. It states the listing action and optional filter but does not explicitly disclose read-only nature, ordering, or any side effects. The verb 'list' implies non-mutating behavior, but this is not made explicit.

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 that conveys the core purpose and optional filter without unnecessary words. It is efficiently structured and easy to parse.

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

Completeness4/5

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

Given the low complexity (two optional parameters, output schema present), the description is adequate. It covers the main functionality and filter option, though it omits minor behavioral details like default ordering or authentication requirements, which are not critical for this simple list operation.

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

Parameters3/5

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

The input schema provides full descriptions for both parameters (100% coverage), so the description adds little beyond the schema. It mentions the devbox filter, but this is already documented in the schema, resulting in no additional semantic value.

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 clearly states the action ('List disk snapshots') and the optional devbox filter, providing a specific verb and resource. This distinguishes it from creation tools like create_snapshot and aligns with its name.

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

Usage Guidelines3/5

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

The description implies usage through the optional devbox filter but does not explicitly mention when to use this tool versus alternatives, such as list_devboxes. No exclusions or alternative tool references are provided, leaving usage context implicit.

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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