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decompress

Extracts .zip and .tar.gz archives with built-in security protections. Avoids Zip Slip and Zip Bomb attacks by skipping symlinks.

Instructions

Extracts an archive to a directory. Supports .zip and .tar.gz formats. Includes Zip Slip and Zip Bomb protection. Symlinks are skipped for security.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
archiveYesAbsolute path to the archive file (.zip or .tar.gz)
outputNoAbsolute path to the output directory. Defaults to archive's directory
Behavior4/5

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

With no annotations, the description covers security protections (Zip Slip, Zip Bomb, symlink skipping) which is valuable beyond the basic action. However, it lacks details on side effects or return values.

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 three sentences with no redundant information. It is front-loaded with the main action, then format support, then security, making it efficient and easy to parse.

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?

The description is fairly complete for a simple extraction tool given the schema, but fails to mention what the tool returns (e.g., success message, path list). With no output schema, this omission leaves the agent guessing about the response.

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?

Input schema has 100% coverage with descriptions. The description adds no new parameter information beyond what is already in the schema, so baseline score of 3 is appropriate.

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 verb 'extracts' and the resource 'archive to a directory', and specifies supported formats. It distinguishes from sibling 'compress' by focusing on extraction.

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 does not provide explicit guidance on when to use this tool versus alternatives, nor does it mention when not to use it. It only implicitly suggests use for extraction of .zip and .tar.gz archives.

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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