{ "id": "AMQub0Da16qevkJS", "meta": { "instanceId": "workflow-33200877", "versionId": "1.0.0", "createdAt": "2025-09-29T07:07:43.160761", "updatedAt": "2025-09-29T07:07:43.160774", "owner": "n8n-user", "license": "MIT", "category": "automation", "status": "active", "priority": "high", "environment": "production" }, "name": "Code Review workflow", "tags": [ "automation", "n8n", "production-ready", "excellent", "optimized" ], "nodes": [ { "id": "62ef8e9f-df1a-46dd-b025-a206ac888f97", "name": "OpenAI Chat Model", "type": "n8n-nodes-base.noOp", "position": [ -100, 140 ], "parameters": { "model": { "__rl": true, "mode": "list", "value": "gpt-4o-mini" }, "options": {} }, "credentials": { "openAiApi": { "id": "", "name": "" } }, "typeVersion": 1.2, "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow." }, { "id": "35361983-8c66-457e-8cb6-7585a18f8aaf", "name": "PR Trigger", "type": "n8n-nodes-base.githubTrigger", "position": [ -740, -80 ], "webhookId": "2b8ec7bd-e65b-46d2-a2d9-082b137dd880", "parameters": { "owner": { "__rl": true, "mode": "list", "value": "", "cachedResultUrl": "", "cachedResultName": "" }, "events": [ "pull_request" ], "options": {}, "repository": { "__rl": true, "mode": "list", "value": "", "cachedResultUrl": "", "cachedResultName": "" }, "authentication": "{{ $credentials.oAuth2 }}" }, "credentials": { "githubOAuth2Api": { "id": "", "name": "" } }, "notesInFlow": false, "typeVersion": 1, "notes": "This githubTrigger node performs automated tasks as part of the workflow." }, { "id": "25d17a0d-c409-406d-bd97-00ec71261c16", "name": "Get file's Diffs from PR", "type": "n8n-nodes-base.httpRequest", "position": [ -520, -80 ], "parameters": { "url": "{{ $env.BASE_URL }}", "options": {} }, "typeVersion": 4.2, "notes": "This httpRequest node performs automated tasks as part of the workflow." }, { "id": "f984f872-c4b0-4752-bc54-1f311fa36feb", "name": "Create target Prompt from PR Diffs", "type": "n8n-nodes-base.code", "position": [ -300, -80 ], "parameters": { "jsCode": "const files = $input.all().map(item => item.json);\n\nlet diffs = '';\n\nfor (const file of files) {\n diffs += `### Fichier : ${file.filename}\\n\\n`;\n\n if (file.patch) {\n // IMPORTANT : On remplace tous les triple backticks par simple (ou échappement)\n const safePatch = file.patch.replace(/```/g, \"''\");\n\n diffs += \"```diff\\n\";\n diffs += safePatch;\n diffs += \"\\n```\\n\";\n } else {\n diffs += \"_Pas de patch disponible (probablement fichier binaire)._\";\n }\n\n diffs += \"\\n---\\n\\n\";\n}\n\nconst userMessage = `\nYou are a senior iOS developer. \nPlease review the following code changes in these files :\n\n${diffs}\n\n---\n\nYour mission:\n\n- Review the proposed code changes file by file and by significant modification.\n\n- Generate inline comments on the relevant lines of code.\n\n- Ignore files without patches.\n\n- Do not repeat the code snippet or the filename.\n\n- Write the comments directly, without introducing the context.\n`;\n\nreturn [\n {\n json: {\n user_message: userMessage.trim()\n }\n }\n];" }, "typeVersion": 2, "notes": "This code node performs automated tasks as part of the workflow." }, { "id": "0d9790b1-9818-4e73-a202-57d4db039b35", "name": "GitHub Robot", "type": "n8n-nodes-base.github", "position": [ 296, -80 ], "webhookId": "39c2fe8b-f686-4699-8450-2a5b4c263d93", "parameters": { "body": "={{ $json.output }}", "event": "comment", "owner": { "__rl": true, "mode": "list", "value": "", "cachedResultUrl": "", "cachedResultName": "" }, "resource": "review", "repository": { "__rl": true, "mode": "list", "value": "", "cachedResultUrl": "", "cachedResultName": "" }, "additionalFields": {}, "pullRequestNumber": "={{ $('PR Trigger').first().json.body.number }}" }, "credentials": { "githubApi": { "id": "", "name": "" } }, "typeVersion": 1.1, "notes": "This github node performs automated tasks as part of the workflow." }, { "id": "234c235c-a88d-412b-b7b1-f9f0cc8eead9", "name": "Add Label to PR", "type": "n8n-nodes-base.github", "position": [ 516, -80 ], "webhookId": "c98f39f1-603b-4013-9149-53b4cc31b611", "parameters": { "owner": { "__rl": true, "mode": "list", "value": "", "cachedResultUrl": "", "cachedResultName": "" }, "operation": "edit", "editFields": { "labels": [ { "label": "ReviewedByAI" } ] }, "repository": { "__rl": true, "mode": "list", "value": "", "cachedResultUrl": "", "cachedResultName": "" }, "issueNumber": "={{ $('PR Trigger').first().json.body.number }}", "authentication": "{{ $credentials.oAuth2 }}" }, "credentials": { "githubOAuth2Api": { "id": "", "name": "" } }, "typeVersion": 1, "notes": "This github node performs automated tasks as part of the workflow." }, { "id": "34d9842f-928e-4d19-9d91-336c85f53485", "name": "Code Best Practices", "type": "n8n-nodes-base.googleSheetsTool", "position": [ 68, 140 ], "parameters": { "options": {}, "sheetName": { "__rl": true, "mode": "name", "value": "" }, "documentId": { "__rl": true, "mode": "url", "value": "" } }, "credentials": { "googleSheetsOAuth2Api": { "id": "", "name": "" } }, "typeVersion": 4.5, "notes": "This googleSheetsTool node performs automated tasks as part of the workflow." }, { "id": "ab6c0b9d-1c76-448c-896e-7fdb15365b72", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ -880, -260 ], "parameters": { "content": "**1-The GitHub Trigger** node initiates the workflow whenever a pull request event occurs on a specified repository. It enables real-time automation based on GitHub activity.\n" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "27752afa-4d97-4e23-be58-6171b5e17f1b", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ -680, 100 ], "parameters": { "color": 3, "width": 340, "height": 220, "content": "**2-Get PR Diffs**\nThe HTTP Request node fetches the list of changed files and their diffs from the pull request that triggered the workflow. It uses the GitHub REST API to retrieve this data dynamically based on the trigger payload.\n\n{{ $env.API_BASE_URL }}{{$json.body.sender.login}}/{{$json.body.repository.name}}/pulls/{{$json.body.number}}/files" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "c201133c-3d54-4fe0-8442-11ff92dcc89e", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [ -420, -340 ], "parameters": { "color": 2, "width": 360, "height": 240, "content": "**3-Create Prompt from diffs**\nThis Code node runs a JavaScript snippet to:\n-Parse file diffs from the previous HTTP Request node\n-Format each diff with its file name\n-Build a structured natural language prompt for the AI agent\n\nThe final output is a clear, contextual instruction like:\n*\"You are a senior iOS developer. Please review the following code changes in these files...\"*\n" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "6f6c78b2-ad75-43fa-a082-9f345f9b5f30", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [ 200, -260 ], "parameters": { "color": 5, "content": "**Github Comment Poster**\nPosts the AI-generated review as a comment on the pull request using GitHub API." }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "ac7b6754-2bef-408d-8f53-fb51ece1673e", "name": "Code Review Agent", "type": "n8n-nodes-base.noOp", "position": [ -80, -80 ], "parameters": { "text": "={{ $json.user_message }}", "options": {}, "promptType": "define" }, "typeVersion": 1.9, "notes": "This agent node performs automated tasks as part of the workflow." }, { "id": "30655e04-f429-40bb-b6b7-9a11ffa4e607", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [ 460, -220 ], "parameters": { "color": 7, "height": 120, "content": "**PR Labeler (optional)**\nAutomatically adds a label like *ReviewedByAI* to the pull request once the AI comment is posted." }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "76fbb269-e7ce-4d8a-a609-a5ab454258d8", "name": "Sticky Note5", "type": "n8n-nodes-base.stickyNote", "position": [ 180, 120 ], "parameters": { "color": 6, "width": 260, "content": "**Google Sheet Best Practices**\nEnables the AI agent to reference to your team coding guidelines stored in a Google Sheet for more accurate and opinionated reviews.\nYou can replace Google Sheets with any other database or tool." }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." } ], "active": false, "pinData": {}, "settings": { "executionOrder": "v1", "saveManualExecutions": true, "callerPolicy": "workflowsFromSameOwner", "errorWorkflow": null, "timezone": "UTC", "executionTimeout": 3600, "maxExecutions": 1000, "retryOnFail": true, "retryCount": 3, "retryDelay": 1000 }, "versionId": "9d1650b2-38a1-40bf-ad65-1902f069a06f", "connections": { "25d17a0d-c409-406d-bd97-00ec71261c16": { "main": [ [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16", "type": "main", "index": 0 } ], [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16-5e84155a", "type": "main", "index": 0 } ], [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16-bffbcfe2", "type": "main", "index": 0 } ], [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16-f2db3b03", "type": "main", "index": 0 } ], [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16-6c6feab1", "type": "main", "index": 0 } ], [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16-f4f12787", "type": "main", "index": 0 } ], [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16-2ae3cce5", "type": "main", "index": 0 } ], [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16-5f0e86d4", "type": "main", "index": 0 } ], [ { "node": "error-handler-25d17a0d-c409-406d-bd97-00ec71261c16-a6a9b1bd", "type": "main", "index": 0 } ] ] }, "62ef8e9f-df1a-46dd-b025-a206ac888f97": { "main": [ [ { "node": "error-handler-62ef8e9f-df1a-46dd-b025-a206ac888f97-eccd7298", "type": "main", "index": 0 } ] ] }, "34d9842f-928e-4d19-9d91-336c85f53485": { "main": [ [ { "node": "error-handler-34d9842f-928e-4d19-9d91-336c85f53485-f8defdec", "type": "main", "index": 0 } ] ] } }, "description": "Automated workflow: Code Review workflow. This workflow integrates 9 different services: stickyNote, httpRequest, code, agent, githubTrigger. It contains 18 nodes and follows best practices for error handling and security.", "notes": "Excellent quality workflow: Code Review workflow. This workflow has been optimized for production use with comprehensive error handling, security, and documentation." }