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anatolykoptev

n8n MCP Agent

activate-workflow

Activates a specified workflow by ID to enable its execution. Requires client ID and workflow ID for authentication.

Instructions

Activate a workflow by ID. This will enable the workflow to run. IMPORTANT: Arguments must be provided as compact, single-line JSON without whitespace or newlines.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesWorkflow ID
clientIdYesClient ID from init-n8n
Behavior2/5

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

No annotations provided; description adds the compact JSON formatting constraint but doesn't disclose safety, auth needs, or side effects of activation.

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?

Two sentences, front-loaded with purpose, important formatting instruction included, no wasted words.

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?

No output schema, no annotations; lacks details on return value, error conditions, or what happens if workflow is already active.

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% with descriptions; description adds no extra meaning beyond schema for parameters. Baseline 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 verb 'Activate' and the resource 'workflow by ID', and distinguishes it from sibling tools like 'deactivate-workflow'.

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 (e.g., when to activate vs other workflow actions). Only a formatting note is provided.

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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