n8n MCP Server

MIT License

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create-variable

Create a new variable in n8n. NOTE: Requires n8n Enterprise license with variable management features enabled. Variables can be used across workflows to store and share data. IMPORTANT: Arguments must be provided as compact, single-line JSON without whitespace or newlines.

Input Schema

Name	Required	Description	Default
`clientId`	Yes
`key`	Yes
`value`	Yes

Input Schema (JSON Schema)

{
  "properties": {
    "clientId": {
      "type": "string"
    },
    "key": {
      "type": "string"
    },
    "value": {
      "type": "string"
    }
  },
  "required": [
    "clientId",
    "key",
    "value"
  ],
  "type": "object"
}

create-variable

Input Schema

Input Schema (JSON Schema)

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