GitLab Merge Request Review & Risk Analysis with Claude/GPT AI

Trigger The workflow runs when a GitLab Merge Request (MR) is created or updated. Extract & Analyze It retrieves the code diff and sends it to Claude AI or GPT-4o for risk assessment and issue detection. Generate Report AI produces a structured summary with: Risk levels Identified issues Recommendations Test cases Notify Developers The report is: Emailed to developers and QA teams Posted as a comment on the GitLab MR Setup Guide Connect GitLab Add GitLab API credentials Select repositories to track Configure AI Analysis Enter Anthropic (Claude) or OpenAI (GPT-4o) API key Set Up Notifications Add Gmail credentials Update the email distribution list Test & Automate Create a test MR to verify a

Help me set up the n8n workflow "GitLab Merge Request Review & Risk Analysis with Claude/GPT AI" (https://n8n.io/workflows/3997). It uses: HTTP Request, Gmail, Code, AI Agent, Anthropic Chat Model, Auto-fixing Output Parser, Structured Output Parser. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.