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Automate CV screening with GPT-4o-mini: Gmail to Google Sheets HR evaluation system

Dr. FirasDr. Firas
2775 views
2/3/2026
Data ExportGoogle SheetsE-commerceWooCommerceScheduling
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AI-Powered HR Workflow: CV Analysis and Evaluation from Gmail to Sheets

Workflow Screenshot

Who is this for?

This workflow is designed for HR professionals, recruiters, startup founders, and operations teams who receive candidate resumes by email and want to automate the evaluation process using AI.

It's ideal for teams that receive high volumes of applications and want to streamline screening without sacrificing quality.

What problem is this workflow solving?

Manually reviewing every resume is time-consuming, inconsistent, and often inefficient. This workflow automates the initial screening process by:

  • Extracting resume data directly from incoming emails
  • Analyzing resumes using GPT-4 to evaluate candidate fit
  • Saving scores and notes in Google Sheets for easy filtering

It helps teams qualify candidates faster while staying organized.

What this workflow does

  1. Detects when a new email with a CV is received (Gmail)
  2. Filters out non-relevant messages using an AI classifier
  3. Extracts the resume text (PDF parsing)
  4. Uploads the original file to Google Drive
  5. Retrieves job offer details from a connected Google Sheet
  6. Uses GPT-4 to evaluate the candidate’s fit for the job
  7. Parses the AI output to extract the candidate's score
  8. Logs the results into a central Google Sheet
  9. Sends a confirmation email to the applicant

Setup

  1. Install n8n self-hosted
  2. Add your OpenAI API Key in the AI nodes
  3. Enable the following APIs in your Google Cloud Console:
    • Gmail API
    • Google Drive API
    • Google Sheets API
  4. Create OAuth credentials and connect them in n8n
  5. Configure your Gmail trigger to watch the inbox receiving CVs
  6. Create a Google Sheet with columns like: Candidate, Score, Job, Status, etc.

How to customize this workflow to your needs

  • Adjust the AI scoring prompt to match your company’s hiring criteria
  • Add new columns to the Google Sheet for additional metadata
  • Include Slack or email notifications for each qualified candidate
  • Add multiple job profiles and route candidates accordingly
  • Add a Telegram or WhatsApp step to notify HR in real time

📄 Documentation: Notion Guide

Need help customizing?

Contact me for consulting and support : Linkedin / Youtube

Automate CV Screening and HR Evaluation with GPT-4o Mini, Gmail, and Google Sheets

This n8n workflow automates the initial screening of CVs received via Gmail, leverages an AI model (GPT-4o Mini) for evaluation, and records the results in Google Sheets, streamlining the HR recruitment process.

What it does

This workflow simplifies and automates the process of handling job applications by:

  1. Monitoring Gmail for new CVs: It acts as a trigger, listening for incoming emails that contain CV attachments.
  2. Extracting CV content: It automatically extracts the text content from attached CV files (e.g., PDFs, Word documents).
  3. Evaluating CVs with AI: It uses an AI Agent powered by an OpenAI Chat Model (likely GPT-4o Mini, given the context) to classify and evaluate the extracted CV content based on predefined criteria.
  4. Structuring AI output: A Structured Output Parser ensures the AI's evaluation is consistently formatted.
  5. Storing evaluations in Google Sheets: The AI's evaluation, along with relevant candidate information, is recorded in a Google Sheet for HR review.
  6. Handling non-CV attachments: If an email contains attachments that are not recognized as CVs or are not meant for screening, the workflow can route them to a "No Operation" path, effectively ignoring them.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n instance: A running n8n instance to host the workflow.
  • Gmail Account: Configured as a trigger to receive job applications.
  • OpenAI API Key: For the OpenAI Chat Model (GPT-4o Mini or similar) used by the AI Agent.
  • Google Sheets Account: To store the evaluated candidate data.
  • Google Drive Account: (Potentially) for handling file storage, though its explicit use in this JSON is minimal.

Setup/Usage

  1. Import the workflow: Download the provided JSON and import it into your n8n instance.
  2. Configure Credentials:
    • Gmail Trigger: Set up your Gmail credentials to allow n8n to monitor your inbox. You will likely need to specify a label or search query to filter for incoming CVs (e.g., emails with "job application" in the subject or from a specific recruitment email address).
    • OpenAI Chat Model: Configure your OpenAI API key for the "OpenAI Chat Model" node.
    • Google Sheets: Set up your Google Sheets credentials to allow n8n to write data to your specified spreadsheet.
  3. Customize AI Agent:
    • Open the "AI Agent" node and configure the prompt to define your CV evaluation criteria (e.g., skills to look for, experience levels, desired format for evaluation).
    • Adjust the "Structured Output Parser" if you need a specific JSON schema for the AI's output.
  4. Specify Google Sheet: In the "Google Sheets" node, specify the Spreadsheet ID and Sheet Name where you want to store the evaluation results. Map the AI's output fields to the correct columns in your sheet.
  5. Activate the workflow: Once configured, activate the workflow. It will start listening for new emails in your Gmail account.

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