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AI news research team: 24/7 newsletter automation with citations with Perplexity

Derek CheungDerek Cheung
5813 views
2/3/2026
AIMeetingOpenAIProductivityGPT
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Building an AI Personal Assistant

Purpose of workflow:

This AI-powered workflow automatically generates detailed, well-researched newsletters by monitoring and analyzing specified news topics (like Bitcoin, Nvidia, etc.). It uses a team of AI research agents to gather, analyze, and compile information with automatic citations, saving significant time in newsletter creation.

How it works:

Multi-agent system:

  • Research Leader: Analyzes topics and creates content outline
  • Project Planner: Breaks down research into specific tasks
  • Research Assistants: Conduct detailed research on assigned subtopics
  • Editor: Combines research and polishes final output

Key features:

  • Automated daily monitoring of specified news topics
  • Real-time information gathering using Perplexity AI
  • Auto-citation functionality for source verification
  • Flexible time window filtering (day/week/month)
  • Options for detailed or simple reports
  • Direct email delivery of completed newsletters

Step-by-step setup:

  1. Perplexity API Setup:

    • Create account at perplexity.ai
    • Navigate to API tab
    • Generate API key
    • Set up credentials with 'Bearer' authentication

  2. Workflow Configuration:

    • Connect Google Sheets containing news monitoring topics
    • Configure schedule trigger for daily execution
    • Set up email delivery settings
    • Define report type preferences (detailed/simple)
    • Specify time window for news gathering

  3. Integration:

    • Connect with newsletter tools like Kit
    • Import generated content as starting point
    • Edit and customize as needed before publishing

AI News Research Team 24/7 Newsletter Automation with Citations (Perplexity)

This n8n workflow automates the process of generating a daily AI news newsletter, complete with research, summarization, and citations, leveraging AI agents and various tools. It's designed to simulate a 24/7 AI news research team, providing a streamlined way to stay updated and disseminate information.

What it does

This workflow orchestrates a sophisticated AI-driven news research and newsletter generation process:

  1. Triggers Daily: The workflow is scheduled to run daily, initiating the news research cycle.
  2. Initial AI Agent Call: It starts by calling an AI Agent (likely a "Manager" agent) to kick off the news research.
  3. AI Agent with Tools: The core of the workflow involves a powerful AI Agent that uses several tools:
    • Perplexity Search Tool: Utilizes Perplexity AI for comprehensive web searches to gather the latest AI news.
    • Call n8n Workflow Tool (Research Assistant): Delegates specific research tasks to a sub-workflow, acting as a "Research Assistant" to fetch and process news articles.
    • Call n8n Workflow Tool (Summarizer): Delegates summarization tasks to another sub-workflow, acting as a "Summarizer" to condense information.
    • Call n8n Workflow Tool (Citation Generator): Delegates citation generation to a sub-workflow, ensuring all sources are properly attributed.
  4. Structured Output Parsing: The output from the AI Agent is parsed into a structured format (e.g., JSON) to organize the gathered news, summaries, and citations.
  5. Loop and Process Articles: It iterates through each identified news article.
  6. Format Newsletter Content: For each article, it processes and formats the content into a markdown-friendly structure, including the summarized news and its corresponding citations.
  7. Consolidate Newsletter: All the individual article contents are merged into a single, comprehensive newsletter.
  8. Send Newsletter via Gmail: The final markdown-formatted newsletter is sent out via Gmail.
  9. Sub-Workflow: Research Assistant: This sub-workflow is called by the main AI Agent.
    • Receives Input: Triggered by the main workflow, it receives a research query.
    • Perplexity Search: Performs a web search using Perplexity AI based on the query.
    • Extracts and Filters URLs: Identifies and extracts relevant URLs from the search results, filtering out any unwanted domains (e.g., YouTube).
    • Fetches Article Content: For each valid URL, it makes an HTTP request to fetch the article's content.
    • Returns Article Data: Returns the extracted article content and URL to the main workflow.
  10. Sub-Workflow: Summarizer: This sub-workflow is called by the main AI Agent.
    • Receives Input: Triggered by the main workflow, it receives article text to summarize.
    • Basic LLM Chain (Summarization): Uses a Large Language Model (LLM) (likely OpenAI Chat Model) with a specific prompt to summarize the provided text.
    • Returns Summary: Returns the generated summary to the main workflow.
  11. Sub-Workflow: Citation Generator: This sub-workflow is called by the main AI Agent.
    • Receives Input: Triggered by the main workflow, it receives article text and URL.
    • Basic LLM Chain (Citation): Uses an LLM (likely OpenAI Chat Model) with a prompt to generate a citation based on the article content and URL.
    • Returns Citation: Returns the generated citation to the main workflow.

Prerequisites/Requirements

  • n8n Instance: A running n8n instance.
  • OpenAI API Key: For the OpenAI Chat Model nodes used in summarization and citation generation.
  • Perplexity API Key: For the Perplexity Search Tool used for web research.
  • Gmail Account: Configured as an n8n credential for sending the newsletter.
  • Google Sheets Credential (Optional): Although a Google Sheets node is present, it's not actively connected in the provided JSON for the main flow. If intended for logging or other data storage, a Google Sheets credential would be needed.

Setup/Usage

  1. Import the Workflow: Import the provided JSON into your n8n instance.
  2. Configure Credentials:
    • Set up your OpenAI API Key credential.
    • Set up your Perplexity API Key credential.
    • Configure your Gmail OAuth2 or API Key credential.
    • (Optional) If using the Google Sheets node, configure your Google Sheets credential.
  3. Activate Sub-Workflows: Ensure the "Research Assistant", "Summarizer", and "Citation Generator" sub-workflows are also imported and activated, as the main workflow calls them using the Execute Workflow Trigger node. You will need to note down their workflow IDs to configure the Call n8n Workflow Tool nodes.
  4. Configure Nodes:
    • Schedule Trigger (Node 839): Adjust the schedule as needed (e.g., daily at a specific time).
    • AI Agent (Node 1119): Review the agent's prompt and tool configurations. Ensure the Call n8n Workflow Tool nodes point to the correct workflow IDs for your "Research Assistant", "Summarizer", and "Citation Generator" sub-workflows.
    • Gmail (Node 356): Update the "To" email address for the newsletter recipients.
    • Perplexity Search Tool (within AI Agent): Ensure the Perplexity credential is selected.
    • OpenAI Chat Model (within Summarizer and Citation Generator sub-workflows): Ensure the OpenAI credential is selected.
  5. Enable the Workflow: Once configured, activate the main workflow and its sub-workflows.

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