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Kyze-Labs

Damn Vulnerable MCP Server (DVMCP)

by Kyze-Labs

it.execute_admin_command

Execute shell commands with optional sudo elevation for system maintenance and troubleshooting.

Instructions

Run administrative system commands for maintenance and troubleshooting. Supports shell commands with optional sudo elevation.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
commandYesShell command to execute
sudoNoRun with elevated privileges
timeoutNoTimeout in seconds (default: 10)
Behavior2/5

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

With no annotations, the description should disclose behavioral traits like destructive potential, authentication needs, or error outcomes. It only mentions sudo elevation, missing critical warnings about system changes.

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?

Two short sentences, front-loaded with purpose, no redundancy. Every word contributes.

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

Completeness2/5

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

For an administrative command tool, the description lacks information on return values, error handling, security risks, and synchronous behavior. With no output schema, this gap is significant.

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?

Schema coverage is 100%, so the description adds minimal extra meaning: 'shell commands' and 'optional sudo elevation' are already implied by the schema. No new insight on timeout or usage.

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 it runs administrative commands for maintenance and troubleshooting, which is a specific verb+resource. It distinguishes from sibling IT tools like get_system_config or manage_users by focusing on command execution.

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 provides usage context ('for maintenance and troubleshooting') but does not give explicit when-to-use or when-not-to-use guidance, nor does it mention alternatives like get_system_config for read-only tasks.

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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