n8n orchestrates the entire system, handling data processing, classification, and interactions.

Create n8n Account

1. Sign up for n8n Cloud or set up a self-hosted instance
2. Create a new workflow

Import the Cosmos Workflow

1. Download the provided Cosmos_RAG_Agent.json file
2. In n8n, go to Workflows → Import From File
3. Upload the JSON file

Configure Credentials

Set up the following API credentials in n8n:

1. OpenAI API
   • Create an API key at OpenAI
   • In n8n, go to Settings → Credentials
   • Add a new credential for OpenAI with your API key
2. Pinecone API
   • Use the API key from your Pinecone dashboard
   • Add a new credential for Pinecone
3. Supabase API
   • From your Supabase project dashboard, get:
     • Project URL
     • API key (under Project Settings → API)
   • Add a new credential for Supabase
4. Zep API (for memory)
   • Set up a Zep instance or sign up for a cloud account
   • Get your API key
   • Add a new credential for Zep
5. RapidAPI (for YouTube transcripts)
   • Sign up at RapidAPI
   • Subscribe to the YouTube Transcript API
   • Add your API key to the Transcribe node
6. Tavily API (for news search)
   • Get an API key from Tavily
   • Update the Tavily HTTP Request node with your key
7. Google Drive (optional)
   • Set up OAuth2 credentials if you want Google Drive integration

Configure Webhooks

The workflow uses several webhooks to handle different types of requests:

1. Main chat webhook - /chat