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kskwon02

node-red-mcp

by kskwon02

Update Flow

node-red-flows-update

Update a Node-RED flow tab by replacing its nodes. Specify the tab ID and new nodes; optionally change the label or set the expected revision for safe updates.

Instructions

Replace a flow tab with a new document

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYes
labelNo
nodesYes
expectedRevNo
Behavior2/5

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

The term 'Replace' implies a destructive overwrite, but no details are given about side effects, authentication requirements, or concurrency handling (e.g., use of 'expectedRev'). Without annotations, the description falls short of disclosing key behavioral traits.

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

Conciseness3/5

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

The description is a single sentence with no unnecessary words, but it is too brief to convey adequate information. It is concise but at the cost of completeness, scoring a middle ground.

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 lack of output schema, annotations, and parameter documentation, this description is highly incomplete. An agent would struggle to understand the full effect of the operation, error states, or expected behavior.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 0% schema description coverage, the description must explain parameters but does not. It fails to clarify the role of 'id', 'nodes', 'label', and 'expectedRev', leaving the agent to infer their meaning from the schema alone.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

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

The description uses the verb 'Replace' and the resource 'flow tab', clearly indicating a full replacement operation. This distinguishes it from sibling tools like patch, create, and delete, which offer partial updates or different lifecycle actions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool over alternatives such as node-red-flows-patch for partial updates or node-red-flows-clone. The description lacks context on prerequisites, conflicts, or decision points.

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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