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snyk-labs

Node.js API Documentation MCP Server

by snyk-labs

get_api_for-punycode

Retrieve Node.js Punycode API documentation by searching for specific classes and methods.

Instructions

Node.js API: Punycode

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
classNoThe class name to search for.
methodNoThe method name to search for.
requiredNo
Behavior2/5

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

No annotations provided. The description gives no behavioral details such as whether the tool is read-only, what it returns, or how it handles optional parameters.

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?

Extremely concise (5 words) but at the expense of utility. The brevity omits critical information, making it under-specified rather than efficiently clear.

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 3 optional parameters, many sibling tools, and no output schema, the description is grossly incomplete. It fails to specify return values, search behavior, or how it differs from other get_api_for-* tools.

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?

The input schema already describes 'class' and 'method' (2 of 3 parameters), but the description adds no additional context about their usage or semantics. The third parameter ('required' array) is unexplained in both schema and description.

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?

The description 'Node.js API: Punycode' is essentially a restatement of the tool name with the module specified. It lacks a verb or clear action, making it unclear whether the tool retrieves, lists, or searches API documentation.

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 its many siblings (e.g., get_api_for-assert, etc.). There is no mention of use cases, prerequisites, or alternatives.

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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