Automate GitHub Pull Request Code Reviews with AI and Google Sheets

This n8n workflow automates code reviews for GitHub pull requests using OpenAI's language models and coding best practices stored in Google Sheets. It streamlines the review process by generating AI-powered comments and labeling reviewed pull requests.

n8n
Automate GitHub Pull Request Code Reviews with AI and Google Sheets

The workflow is triggered by a pull request event in a GitHub repository. It retrieves the code diffs, formats them into a prompt, and uses OpenAI to generate a code review. The review is enriched with best practices from a Google Sheet, then posted as a comment on the pull request. Finally, the pull request is labeled to indicate it has been reviewed by AI.

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Last updated September 5, 2026
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How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

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