n8n-nodes-flowise

A community node for n8n that allows you to integrate with Flowise AI workflows and chatflows.

Features

• 🤖 Chat Operations: Send messages to Flowise chatflows
• 📚 Vector Store Operations: Upsert documents to vector stores
• 🔐 Authentication: Support for API key authentication
• 📝 Session Management: Maintain chat sessions across conversations
• 🎯 Custom Variables: Pass custom variables to chatflows
• 📎 File Uploads: Support for file uploads in chat operations
• 🔄 Chat History: Maintain conversation history

Installation

Install from npm (when published)

npm install n8n-nodes-flowise

Install from source

1. Clone this repository
2. Install dependencies: pnpm install
3. Build the node: pnpm build
4. Link to your n8n installation:

   cd /path/to/your/n8n
   npm install /path/to/n8n-nodes-flowise

Prerequisites

• n8n installed and running
• Flowise instance running (locally or remote)
• Node.js 20.15 or higher

Configuration

Credentials

1. In n8n, go to Settings → Credentials
2. Click Add Credential and search for "Flowise API"
3. Configure the following:
   • Base URL: Your Flowise instance URL (e.g., http://localhost:3000)
   • API Key: Your Flowise API key (optional, required for secured instances)

Testing Credentials

The node includes a built-in credential test that calls the /api/v1/version endpoint to verify connectivity.

Usage

Chat Operations

Send Message

Send a message to a Flowise chatflow and receive a response.

Parameters:

• Chatflow ID: The ID of your Flowise chatflow
• Message: The message to send
• Session ID (optional): Unique session identifier for conversation continuity
• Override Config (optional): JSON object to override chatflow configuration
• Custom Variables (optional): JSON object with custom variables for the chatflow
• Chat History (optional): Array of previous chat messages for context
• Uploads (optional): Files to upload with the message

Example:

{
  "chatflowId": "your-chatflow-id",
  "message": "Hello, how can you help me?",
  "sessionId": "user-123-session",
  "overrideConfig": {
    "temperature": 0.7
  },
  "vars": {
    "userName": "John Doe",
    "context": "customer_support"
  }
}

Vector Store Operations

Upsert Document

Add or update documents in a Flowise vector store.

Parameters:

• Chatflow ID: The ID of your Flowise chatflow with vector store
• Document: The document content to upsert
• Metadata (optional): Additional metadata for the document

Development

Building

pnpm install
pnpm build

Testing

Run the test suite to validate the node:

node test-flowise.js

Code Quality

pnpm lint          # Check for linting issues
pnpm lintfix       # Fix linting issues automatically
pnpm format        # Format code with Prettier

License

MIT License - see LICENSE.md for details.