{"slug":"n8n-sheets-answers","title":"Answer questions from a Google Sheet without editing it","summary":"An n8n agent uses a sheet as its knowledge source and answers in a private chat. The sheet stays read-only.","agent":"n8n","agentSlug":"n8n","category":"Data","categorySlug":"data","roles":["Operations"],"roleSlugs":["operations"],"industries":["Ecommerce"],"industrySlugs":["ecommerce"],"jobs":["workflow-automation"],"topic":"Work & Ops","topicSlug":"work-and-ops","score":14,"difficulty":"medium","estCost":"n8n plus a model. The sheet is whatever you already use.","costTier":"low","timeSaved":"Repeated lookups across a catalog or policy sheet.","prompt":"Answer questions using only the connected Google Sheet. If the sheet does not contain the answer, say \"not in the sheet\" and name the columns you checked.\n\nQuote the row's key column in every answer. Do not update, append, or format the sheet. Do not use outside knowledge for prices, stock, or policy.\n\nIf two rows conflict, show both and do not pick a winner.","steps":[{"title":"Clean the sheet so a column means one thing","detail":"Merged cells and notes in the margin become fake answers. Fix that before connecting an agent."},{"title":"Create an n8n agent and attach the sheet as a tool or knowledge source","detail":"The agent docs explicitly mention Google Sheets among the tools an agent can use."},{"title":"Ask five questions you know the answers to","detail":"Include one trick question that is not in the sheet. The correct reply is 'not in the sheet'."},{"title":"Leave the credential read-only","detail":"The prompt asks for no writes. The credential should make that true even if the prompt is edited later."}],"sourceUrl":"https://docs.n8n.io/build/build-and-manage-agents","sourceNote":"Official documentation URL, checked when this seed was written. The prompt and steps are an original AI Playbook Gems playbook, not a quotation of a customer story, and have not been re-run.","date":"2026-10-06","verified":false,"status":"unverified","sponsorUrl":"","metrics":[{"label":"Hands-on time","value":"An hour to test five known questions"},{"label":"You still approve","value":"Any edit to the sheet"},{"label":"Cost bucket","value":"Low"}],"faq":[{"question":"Has this n8n playbook been re-run for the catalog?","answer":"No. Status is unverified. Paste the prompt, keep the version that worked, and do not treat the time or cost lines as measurements."},{"question":"Can it update inventory counts?","answer":"Not in this playbook. Read-only is the point. A later workflow can write, with a person or a stricter tool in the loop."}],"url":"https://aiplaybookgems.com/usecases/n8n-sheets-answers","jsonUrl":"https://aiplaybookgems.com/api/usecases/n8n-sheets-answers"}