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delete_modal_volume

Delete a Modal volume and all its data. This action is irreversible and permanently removes the volume.

Instructions

Delete a named Modal volume and ALL of its data (`modal volume delete`).

This is irreversible — the entire volume and its contents are removed. To delete
individual files instead, use remove_modal_volume_file.

Args:
    volume_name: Name of the volume to delete.
    env: Optional Modal environment to target.

Returns:
    A dictionary containing the result of the delete operation.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
volume_nameYes
envNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior4/5

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

The description clearly discloses the destructive, irreversible nature of the tool. While it does not mention authentication or error handling, it sufficiently warns about data loss. Without annotations, it carries the full burden and does so effectively.

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 concise, using a single sentence for the core action, followed by a crucial irreversibility warning and sibling reference. The Args and Returns sections are minimal but appropriate. No wasted text.

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 tool's low complexity, the description covers the essential purpose, usage, and behavioral aspects. The output schema exists, so return value details are not needed. Minor gaps: no mention of prerequisites or error scenarios, but sufficient for a simple delete operation.

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 should compensate but only restates parameter names with minimal context (e.g., 'Name of the volume to delete'). No additional constraints, examples, or hints are provided.

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 ('Delete a named Modal volume') and resource, explicitly mentioning it deletes ALL data. It distinguishes itself from the sibling tool 'remove_modal_volume_file' which targets individual files.

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

Usage Guidelines5/5

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

The description explicitly states when to use this tool (deleting a whole volume) and when not to (for individual files, use remove_modal_volume_file), providing clear decision guidance.

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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