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snyk-labs

Node.js API Documentation MCP Server

by snyk-labs

get_api_for-assert

Retrieve Node.js assert module API documentation by specifying class or method names.

Instructions

Node.js API: Assert

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
classNoThe class name to search for.
methodNoThe method name to search for.
requiredNo
Behavior1/5

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

No annotations provided, and the description does not disclose any behavioral traits (e.g., read-only, side effects, return format). The description is too minimal to provide transparency.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is very concise (5 words) but does not earn its place as it provides minimal value. Lack of structure and meaningful content makes it ineffective.

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

Completeness1/5

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

Given the tool's simplicity and lack of output schema or annotations, the description is severely incomplete. It does not explain what the tool does, how to use it, or what results to expect.

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 already describes parameters 'class' and 'method' with brief descriptions. Description does not add any additional semantics, but schema coverage is high, 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.

Purpose2/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description is 'Node.js API: Assert', which is a label rather than a clear statement of purpose. It does not specify an action (e.g., 'get documentation for') or differentiate from sibling tools like 'get_api_for-buffer'.

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?

No guidance on when to use this tool versus alternatives. Sibling tools are similar for different modules, but the description does not mention any selection criteria.

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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