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analyze_npx_command

Analyze and validate npx commands before execution to prevent security risks. Check package details, arguments, and timeout settings to ensure safe usage.

Instructions

Analyze and validate an npx command before execution (security check)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
argsNoCommand arguments (optional)
commandYesPackage to analyze (e.g., "create-react-app" or "typescript@5.0.0")
timeoutNoTimeout in milliseconds (default: 30000)
Behavior2/5

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

With no annotations, the description carries the full transparency burden. It only says 'security check,' which is a vague label and does not clarify whether the tool is read-only, whether it performs network requests, or what happens if a command is unsafe. No side effects or validation mechanics are disclosed.

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 efficiently conveys the core purpose.

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?

Given the security-sensitive nature and lack of output schema, the description is too minimal. It does not explain what validation entails, what actions might be taken on unsafe commands, or the format of results, leaving significant gaps for an agent.

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%, and the schema already documents command, args, and timeout. The description adds no additional parameter meaning, so the baseline of 3 applies.

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 tool's function: analyze and validate an npx command, with a specific security-check purpose. The verb 'analyze' and 'validate' plus the resource 'npx command' make it distinct from sibling tools like audit_security or analyze_quality.

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 phrase 'before execution' implies it should be used prior to running npx, but it does not explicitly mention when not to use it or contrast with sibling tools. No alternatives are named, so guidance is only 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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