---
title: "Create Custom Node"
method: POST
path: "/api/mcp/v1/custom-nodes"
tags: ["Custom Nodes"]
---

# Create Custom Node

`POST /api/mcp/v1/custom-nodes`

## Request

- Base URL: `https://flowdot.ai/api`
- URL: `https://flowdot.ai/api/api/mcp/v1/custom-nodes`
- Auth: HTTP bearer

Create a new custom workflow node.

## Request body

- object
  - `name` string: Unique node name (lowercase, hyphens)
  - `title` string: Display title
  - `inputs` unknown[]: Input socket definitions
    - unknown
  - `outputs` unknown[]: Output socket definitions
    - unknown
  - `category` string: Category for grouping
  - `properties` unknown[]: Configurable properties
    - unknown
  - `description` string: Node description
  - `llm_enabled` boolean: Enable LLM capability
  - `script_code` string: JavaScript code (max 50KB)

## Response `200`

Successful response

- unknown

## Other responses

- `401`: Unauthenticated
- `422`: Validation error or script syntax error

---

[API](https://skmtc.dev/flowdot/apis/flowdot-api.md) · [All operations](https://skmtc.dev/flowdot/apis/flowdot-api/llms.txt) · [OpenAPI document](https://skmtc.dev/flowdot/apis/flowdot-api/revisions/93f63cc9c775?raw)