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nodered-mcp

by ylt

get_node_info

Get version and node sets for a Node-RED node module. Use it to inspect module metadata when managing flows.

Instructions

Get information about a specific node module.

Args: module: Node module name

Returns: NodeModule with version and node sets.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
moduleYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameNo
nodesNo
versionNo
Behavior3/5

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

With no annotations, the description carries the disclosure burden. It states the return type (NodeModule with version and node sets) and implies read-only behavior via 'Get', but does not cover error conditions, permissions, or what 'node sets' means. This is adequate but not rich.

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 brief and well-structured with a one-sentence summary followed by Args and Returns sections. Every line serves a purpose, with no filler.

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

Completeness4/5

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

For a simple getter with an output schema, the description is mostly complete: it states the input and return type. It lacks usage context and edge-case behavior, but given the tool's simplicity, it is sufficient.

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 schema only defines module as a string, and the description merely restates it as 'Node module name' without adding examples, formatting rules, or constraints. It is minimal compensation for the 0% schema coverage.

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 uses a specific verb ('Get') with a clear resource ('information about a specific node module'), distinguishing it from sibling tools like get_nodes (which likely lists all nodes) or search_nodes. The singular 'specific' clarifies scope.

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 provides no guidance on when to prefer this tool over alternatives such as get_nodes or search_nodes. It does not mention prerequisites, context, or exclusions, leaving usage ambiguous.

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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