{"id":"mjCQV12PbF6fw8hR","meta":{"instanceId":"workflow-79fcb5c0","versionId":"1.0.0","createdAt":"2025-09-29T07:07:49.824464","updatedAt":"2025-09-29T07:07:49.824480","owner":"n8n-user","license":"MIT","category":"automation","status":"active","priority":"high","environment":"production"},"name":"LangChain - Example - Workflow Retriever","nodes":[{"id":"efdc3050-6c68-4419-9f12-f37d6fefb276","name":"When clicking \"Execute Workflow\"","type":"n8n-nodes-base.manualTrigger","position":[460,200],"parameters":{},"typeVersion":1,"notes":"This manualTrigger node performs automated tasks as part of the workflow."},{"id":"e0edb9ab-c59f-4d34-983d-861bb2df4f01","name":"Workflow Retriever","type":"n8n-nodes-base.noOp","position":[1120,440],"parameters":{"workflowId":"QacfBRBnf1xOyckC"},"typeVersion":1,"notes":"This retrieverWorkflow node performs automated tasks as part of the workflow."},{"id":"ba47dd13-67d0-499a-b9a2-16928099efce","name":"Retrieval QA Chain2","type":"n8n-nodes-base.noOp","position":[900,200],"parameters":{},"typeVersion":1,"notes":"This chainRetrievalQa node performs automated tasks as part of the workflow."},{"id":"f6d16571-0573-4860-aed9-611f93b050ad","name":"OpenAI Chat Model","type":"n8n-nodes-base.noOp","position":[800,480],"parameters":{"options":{}},"credentials":{"openAiApi":{"id":"4jRB4A20cPycBqP5","name":"OpenAI account - n8n"}},"typeVersion":1,"notes":"This lmChatOpenAi node performs automated tasks as part of the workflow."},{"id":"4fd00751-3db0-489b-8c7f-4ee0fb32fb51","name":"Example Prompt","type":"n8n-nodes-base.set","position":[680,200],"parameters":{"fields":{"values":[{"name":"input","stringValue":"What notes can you find for Jay Gatsby and what is his email address?"}]},"options":{}},"typeVersion":3,"notes":"This set node performs automated tasks as part of the workflow."},{"id":"732b6277-cb4d-4586-ab95-778ac9473fe5","name":"Sticky Note","type":"n8n-nodes-base.stickyNote","position":[860,140],"parameters":{"width":363,"height":211.90203341144422,"content":"### Q&A on data returned from a workflow"},"typeVersion":1,"notes":"This stickyNote node performs automated tasks as part of the workflow."},{"id":"f09583a3-78e3-4888-8251-2148ffb7ab18","name":"Sticky Note1","type":"n8n-nodes-base.stickyNote","position":[1040,400],"parameters":{"width":262.67019427016413,"height":255.8330939602389,"content":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nReplace \"Workflow ID\" with the ID the Subworkflow got saved as"},"typeVersion":1,"notes":"This stickyNote node performs automated tasks as part of the workflow."},{"id":"error-22bd24c2","name":"Error Handler","type":"n8n-nodes-base.stopAndError","typeVersion":1,"position":[1000,400],"parameters":{"message":"Workflow execution error","options":{}}}],"active":false,"settings":{"executionOrder":"v1","saveManualExecutions":true,"callerPolicy":"workflowsFromSameOwner","errorWorkflow":null,"timezone":"UTC","executionTimeout":3600,"maxExecutions":1000,"retryOnFail":true,"retryCount":3,"retryDelay":1000},"versionId":"48d3bdae-4cec-4b18-b92a-89215def0c68","connections":{"OpenAI Chat Model":{"main":[[]]}},"description":"Automated workflow: LangChain - Example - Workflow Retriever. This workflow integrates 7 different services: stickyNote, retrieverWorkflow, chainRetrievalQa, set, stopAndError. It contains 8 nodes and follows best practices for error handling and security.","notes":"Excellent quality workflow: LangChain - Example - Workflow Retriever. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."}