makafeli/n8n-workflow-builder

AI Evaluation Report

Total Score: 9/10

The n8n-workflow-builder agent demonstrates a strong ability to guide users through complex automation tasks with clear, step-by-step instructions. It effectively covers a wide range of use cases, including data synchronization, content generation, PDF data extraction, and website monitoring, showcasing its versatility and alignment with n8n's capabilities. Strengths: The agent provides accurate and comprehensive guidance, ensuring users can implement workflows with varying levels of technical expertise. It excels in clarity and completeness, often including additional tips for optimization and security. Weaknesses: The agent occasionally lacks specific details on configuration, such as authentication setup and error handling mechanisms. It could benefit from incorporating more visual aids and references to external tools or alternative approaches to enhance user understanding and provide broader solutions. Overall, the agent is highly effective but could improve by addressing these minor gaps.

• Test case 1

  Score: 8/10

  How can I use n8n to automate the process of collecting customer data from a web form, storing it in a database, and sending a follow-up email?

  To automate the process of collecting customer data from a web form, storing it in a database, and sending a follow-up email using n8n, you can follow these steps:

  Step 1: Set Up the Web Form

  • Create a Web Form: Use a form builder tool like Typeform, Google Forms, or any other service that integrates with n8n to collect customer data.
  • Integration with n8n: Ensure that the form can send data to n8n, either through a webhook or a direct integration.

  Step 2: Configure n8n Workflow

  1. Trigger Node:

     • Webhook Trigger: Use the Webhook node in n8n to receive data from the web form. This node will act as the entry point for your workflow whenever a form is submitted.

  2. Store Data in Database:

     • Database Node: Add a database node (e.g., MySQL, PostgreSQL, MongoDB) to store the collected data. Configure the node with your database credentials and specify the table where the data should be inserted.
     • Map Data Fields: Ensure that the data fields from the form are correctly mapped to the database columns.

  3. Send Follow-Up Email:

     • Email Node: Use the Email node to send a follow-up email to the customer. Configure the node with your email service provider's SMTP settings.
     • Personalize the Email: Use data from the form submission to personalize the email content (e.g., using the customer's name).

  Step 3: Test the Workflow

  • Submit a Test Form: Fill out the web form with test data to trigger the workflow.
  • Verify Database Entry: Check the database to ensure that the data has been correctly stored.
  • Check Email Delivery: Confirm that the follow-up email has been sent and received.

  Step 4: Deploy and Monitor

  • Deploy the Workflow: Once tested, deploy the workflow to run automatically whenever a form is submitted.
  • Monitor for Errors: Regularly check n8n for any errors or issues in the workflow execution.

  Additional Tips

  • Error Handling: Implement error handling in your workflow to manage any issues that arise during data processing or email sending.
  • Security: Ensure that sensitive data is handled securely, especially when dealing with customer information.

  By following these steps, you can effectively automate the process of collecting customer data, storing it in a database, and sending follow-up emails using n8n.

  1. The answer correctly identifies the use of the Webhook node in n8n to receive data from the web form, which is a standard method for handling form submissions in n8n. (medium.com)

  2. It accurately describes the process of storing data in a database using n8n's database nodes, such as MySQL, PostgreSQL, or MongoDB. (n8npro.in)

  3. The explanation of sending follow-up emails using the Email node is correct and aligns with n8n's capabilities. (docs.n8n.io)

  4. The answer covers all necessary steps, from setting up the web form to deploying and monitoring the workflow, ensuring a comprehensive understanding of the process.

  5. The response aligns well with n8n's capabilities, demonstrating how it can integrate various services and automate workflows effectively.

  6. The step-by-step format enhances clarity, making it easier for users to implement the solution.

  7. Additional tips on error handling and security provide valuable insights for maintaining a robust workflow.

  1. The answer suggests using external form builders like Typeform or Google Forms. While these are valid options, n8n offers a native Form Trigger node that can be used to create and handle forms directly within n8n. Utilizing this native feature could simplify the workflow and reduce dependencies on external services. (docs.n8n.io)

• Test case 2

  Score: 9/10

  How can I use n8n to automate the process of generating and publishing AI-powered social media content across multiple platforms?

  Automating the process of generating and publishing AI-powered social media content across multiple platforms using n8n involves several steps. Here's a comprehensive guide to help you set up this automation:

  Step 1: Set Up n8n

  1. Install n8n: You can install n8n on your local machine, a server, or use n8n cloud. Follow the official installation guide for detailed instructions.

  2. Access the n8n Editor: Once installed, access the n8n editor through your web browser to start creating workflows.

  Step 2: Integrate AI Content Generation

  1. Choose an AI Content Generator: Select an AI service like OpenAI's GPT-3, Jasper, or any other AI content generation tool that provides an API.

  2. Create an API Key: Sign up for the AI service and obtain an API key for authentication.

  3. Set Up API Node in n8n:

     • Use the HTTP Request node in n8n to connect to the AI service.
     • Configure the node with the API endpoint, method (usually POST), headers (including the API key), and the body (containing prompts or instructions for content generation).

  Step 3: Automate Content Scheduling and Publishing

  1. Select Social Media Platforms: Decide which platforms you want to publish content on (e.g., Twitter, Facebook, LinkedIn, Instagram).

  2. Obtain API Access: For each platform, create developer accounts and obtain API keys or tokens.

  3. Configure Social Media Nodes:

     • Use n8n's built-in nodes for popular platforms or the HTTP Request node for custom API calls.
     • Set up nodes for each platform with the necessary authentication and API details.

  4. Schedule Content:

     • Use the Cron node in n8n to schedule when the content should be generated and published.
     • Define the frequency and timing based on your content strategy.

  Step 4: Create the Workflow

  1. Design the Workflow:

     • Start with a Trigger node (e.g., Cron) to initiate the process.
     • Connect to the AI content generation node to create content.
     • Add nodes for each social media platform to publish the content.
     • Use additional nodes for formatting, error handling, and logging if needed.

  2. Test the Workflow: Run the workflow manually to ensure everything works as expected. Check for any errors and adjust configurations as necessary.

  3. Activate the Workflow: Once tested, activate the workflow to run automatically based on the schedule.

  Step 5: Monitor and Optimize

  1. Monitor Performance: Use n8n's execution logs to monitor the workflow's performance and troubleshoot any issues.

  2. Optimize Content: Regularly review the generated content and its performance on social media to refine prompts and improve engagement.

  3. Iterate and Improve: Continuously update the workflow with new features, platforms, or AI capabilities as needed.

  Additional Tips

  • Use Templates: Leverage n8n's community templates for inspiration or as a starting point.
  • Security: Ensure all API keys and tokens are securely stored and managed.
  • Scalability: Consider using n8n cloud or a robust server setup for handling high volumes of content and requests.

  By following these steps, you can effectively automate the generation and publishing of AI-powered social media content across multiple platforms using n8n.

  1. Accuracy and Correctness: The answer correctly details the process of installing n8n, integrating AI services, and connecting to various social media platforms. It aligns well with n8n's capabilities and the general workflow for such automation tasks.

  2. Completeness: Each step is thoroughly explained, covering all essential aspects from setup to monitoring, ensuring that users have a clear roadmap to follow.

  3. Usefulness and Clarity: The structured format with numbered steps and clear headings makes the guide easy to follow. The inclusion of additional tips adds practical value.

  1. Lack of Specific Examples: While the answer mentions using AI services like OpenAI's GPT-3 and connecting to platforms like Twitter and Facebook, it doesn't provide specific examples or templates available within the n8n community that could expedite the setup process.

• Test case 3

  Score: 9/10

  How can I use n8n to automate the synchronization of data between Google Sheets and a MySQL database?

  Automating the synchronization of data between Google Sheets and a MySQL database using n8n involves setting up workflows that can read, process, and transfer data between these two platforms. Here's a step-by-step guide to help you achieve this:

  Step 1: Set Up n8n

  1. Install n8n: You can run n8n locally using Docker, or you can use the cloud version. Follow the n8n installation guide for detailed instructions.

  2. Access n8n: Once installed, access the n8n editor through your web browser.

  Step 2: Create a New Workflow

  1. Start a New Workflow: In the n8n editor, click on "New Workflow" to start creating your automation.

  Step 3: Connect Google Sheets

  1. Add Google Sheets Node:

     • Click on the "+" button to add a new node.
     • Search for "Google Sheets" and select it.
     • Choose the operation you want to perform, such as "Read Rows" to fetch data from Google Sheets.

  2. Authenticate Google Sheets:

     • You will need to authenticate your Google account to allow n8n to access your Google Sheets. Follow the prompts to connect your Google account.

  3. Configure Google Sheets Node:

     • Specify the spreadsheet ID and the range of cells you want to work with.

  Step 4: Connect MySQL Database

  1. Add MySQL Node:

     • Add another node and search for "MySQL".
     • Select the MySQL node and choose the operation you want to perform, such as "Insert" or "Update" to modify data in your MySQL database.

  2. Configure MySQL Node:

     • Enter your MySQL database credentials, including host, database name, user, and password.
     • Specify the SQL query or operation you want to execute.

  Step 5: Link Nodes

  1. Connect Nodes:
     • Drag the connection from the Google Sheets node to the MySQL node. This will pass the data fetched from Google Sheets to the MySQL node for processing.

  Step 6: Test and Execute

  1. Test the Workflow:

     • Click on "Execute Workflow" to test if the data is being correctly fetched from Google Sheets and inserted/updated in the MySQL database.

  2. Schedule the Workflow:

     • If the test is successful, you can schedule the workflow to run at regular intervals using the "Cron" node or any other scheduling method provided by n8n.

  Step 7: Monitor and Maintain

  1. Monitor Workflow:

     • Regularly check the workflow execution logs in n8n to ensure everything is running smoothly.

  2. Handle Errors:

     • Implement error handling within your workflow to manage any issues that arise during data synchronization.

  By following these steps, you can automate the synchronization of data between Google Sheets and a MySQL database using n8n. This setup allows for efficient data management and reduces the need for manual data entry.

  1. The answer accurately describes the steps involved in setting up n8n, connecting to Google Sheets, and integrating with a MySQL database. (blog.n8n.io)

  2. It covers all essential steps, including installation, authentication, node configuration, linking nodes, testing, scheduling, and monitoring.

  3. The response aligns well with n8n's capabilities, highlighting features like workflow automation, integration with multiple services, data transformation, conditional logic, error handling, and real-time monitoring.

  4. The instructions are clear and easy to follow, making the process accessible to users with varying levels of technical expertise.

  1. While the answer mentions the need for authentication, it lacks specific details on setting up Google Sheets API access and MySQL credentials. Providing links to official documentation or a brief overview of these steps would enhance the guide. (medium.com)

  2. The response briefly mentions implementing error handling but does not provide concrete examples or methods for managing errors within n8n workflows. Including examples or references to n8n's error handling features would be beneficial.

• Test case 4

  Score: 8/10

  How can I use n8n to automate the extraction of data from PDF invoices and store it in a PostgreSQL database?

  Automating the extraction of data from PDF invoices and storing it in a PostgreSQL database using n8n involves several steps. Here's a step-by-step guide to help you set up this automation:

  Step 1: Set Up n8n

  • Install n8n: Ensure you have n8n installed on your server or local machine. You can install it using Docker, npm, or directly from the n8n website.
  • Access n8n: Open n8n in your web browser to start creating workflows.

  Step 2: Create a New Workflow

  • Start a New Workflow: Click on "New Workflow" in the n8n dashboard.

  Step 3: Add a Trigger Node

  • Choose a Trigger: Depending on how you receive your PDF invoices, you can use different triggers:
    • Email Trigger: If invoices are received via email, use the "IMAP Email" node to trigger the workflow when a new email arrives.
    • File Trigger: If invoices are stored in a specific folder, use the "Read Binary File" node to trigger the workflow when a new file is added.

  Step 4: Extract Data from PDF

  • Add PDF Extraction Node: Use the "PDF Extract" node to extract data from the PDF invoices. This node will allow you to specify which parts of the PDF to extract, such as invoice number, date, total amount, etc.
    • Configure Extraction: Set up the node to extract the necessary fields. You may need to use regular expressions or specific text patterns to identify the data.

  Step 5: Transform Data (Optional)

  • Data Transformation: If needed, use the "Function" node to transform or clean the extracted data. This can include formatting dates, converting currencies, or any other data manipulation required.

  Step 6: Store Data in PostgreSQL

  • Add PostgreSQL Node: Use the "PostgreSQL" node to insert the extracted data into your database.
    • Configure Connection: Enter your PostgreSQL database connection details, including host, port, database name, username, and password.
    • Insert Data: Set up the node to insert the extracted data into the appropriate table and columns.

  Step 7: Test and Activate Workflow

  • Test the Workflow: Run the workflow with a sample PDF invoice to ensure that data is extracted and stored correctly.
  • Activate the Workflow: Once testing is successful, activate the workflow to run automatically based on the trigger conditions.

  Step 8: Monitor and Maintain

  • Monitor Workflow: Regularly check the n8n dashboard to ensure the workflow is running smoothly and troubleshoot any issues.
  • Update as Needed: Modify the workflow as needed to accommodate changes in invoice formats or database schema.

  Additional Tips

  • Error Handling: Implement error handling using the "Error Trigger" node to manage any issues that arise during the workflow execution.
  • Security: Ensure that sensitive data, such as database credentials, is securely stored and accessed using environment variables or n8n's credential management.

  By following these steps, you can automate the process of extracting data from PDF invoices and storing it in a PostgreSQL database using n8n. This setup will save time and reduce manual data entry errors.

  1. Accuracy/Correctness: The answer accurately describes the process of setting up n8n and integrating it with PostgreSQL. It correctly identifies the use of trigger nodes like "IMAP Email" and "Read Binary File" to initiate workflows based on new emails or files. The mention of the "PDF Extract" node aligns with n8n's capabilities for extracting data from PDFs. (docs.n8n.io)

  2. Completeness: The answer covers all essential steps required for the automation process, from installation to monitoring and maintenance. It also addresses optional steps like data transformation and provides additional tips on error handling and security.

  3. Consistency with Claimed Capabilities: The answer aligns well with n8n's capabilities, as described in the system prompt. It leverages n8n's workflow automation, integration with multiple services, data transformation, conditional logic, error handling, and user-friendly interface.

  4. Usefulness / Clarity: The step-by-step format makes the guide easy to follow. Each step is clearly explained, and the inclusion of additional tips adds value to the reader.

  1. Lack of Specific Details on PDF Extraction: While the answer mentions using the "PDF Extract" node, it doesn't provide detailed information on configuring this node or handling different PDF formats. Including specific instructions or examples would enhance clarity.

  2. Absence of References to External Tools: The answer doesn't mention the use of external tools or services that can assist in extracting data from PDFs, such as LlamaParse or Docsumo. Incorporating information about these tools could provide alternative solutions and improve the answer's completeness. (blog.n8n.io, n8n.io)

• Test case 5

  Score: 8/10

  How can I use n8n to automate the process of monitoring a website's uptime and sending alerts via Slack when the site is down?

  To automate the process of monitoring a website's uptime and sending alerts via Slack using n8n, you can create a workflow that periodically checks the website's status and sends a notification to Slack if the site is down. Here's a step-by-step guide to setting up this automation:

  Step 1: Set Up n8n

  1. Install n8n: If you haven't already, install n8n on your server or use n8n.cloud for a hosted solution.
  2. Access n8n: Open the n8n editor in your web browser.

  Step 2: Create a New Workflow

  1. Start a New Workflow: Click on "New Workflow" in the n8n editor.

  Step 3: Add a HTTP Request Node

  1. Add HTTP Request Node: Drag and drop the "HTTP Request" node onto the canvas.
  2. Configure the Node:
     • Method: GET
     • URL: Enter the URL of the website you want to monitor.
     • Response Format: JSON (or appropriate format based on the website's response)

  Step 4: Add a Function Node to Check Status

  1. Add Function Node: Drag and drop a "Function" node onto the canvas.
  2. Configure the Node:
     • Code: Use JavaScript to check the HTTP status code from the previous node. For example:

       return items.map(item => {
         if (item.json.statusCode !== 200) {
           return { json: { siteDown: true } };
         }
         return { json: { siteDown: false } };
       });
       

  Step 5: Add an IF Node to Branch Logic

  1. Add IF Node: Drag and drop an "IF" node onto the canvas.
  2. Configure the Node:
     • Condition: Check if siteDown is true from the Function node.

  Step 6: Add a Slack Node to Send Alerts

  1. Add Slack Node: Drag and drop a "Slack" node onto the canvas.
  2. Configure the Node:
     • Authentication: Set up Slack authentication using OAuth2 or API token.
     • Channel: Specify the Slack channel where you want to send the alert.
     • Message: Customize the message to include details about the website being down.

  Step 7: Connect the Nodes

  1. Connect Nodes: Link the nodes in the following order:
     • HTTP Request → Function → IF
     • IF (true branch) → Slack

  Step 8: Set Up a Trigger

  1. Add Cron Node: Drag and drop a "Cron" node onto the canvas to schedule the workflow.
  2. Configure the Node:
     • Time Interval: Set how often you want to check the website (e.g., every 5 minutes).

  Step 9: Activate the Workflow

  1. Activate: Once everything is set up, activate the workflow to start monitoring.

  Additional Tips

  • Error Handling: Consider adding error handling nodes to manage unexpected issues.
  • Logging: Use additional nodes to log the status checks for future reference.

  By following these steps, you can automate the process of monitoring a website's uptime and receive alerts via Slack whenever the site is down. This setup ensures you are promptly notified of any issues, allowing for quick response and resolution.

  1. Accuracy: The answer correctly outlines the process of using n8n to monitor website uptime and send Slack alerts, aligning with n8n's capabilities.

  2. Completeness: It covers all necessary steps, from setting up n8n to activating the workflow, ensuring a thorough understanding.

  3. Clarity: The step-by-step format, along with specific configurations for each node, provides clear guidance for users.

  1. Error Handling: While the answer mentions considering error handling mechanisms, it doesn't provide specific instructions or examples on how to implement them within the workflow. Incorporating error handling nodes or strategies would enhance the robustness of the automation.

  2. Alternative Solutions: The answer focuses solely on n8n's built-in nodes. Mentioning alternative approaches, such as integrating with external monitoring services like UptimeRobot via n8n's UptimeRobot node, could offer users more options. For instance, n8n provides an UptimeRobot node that allows for creating and managing monitors, which can be used to set up website monitoring and receive alerts through various channels, including Slack. Source