{"product_id":"chatgpt-style-research-agent-for-n8n-gpt-4o-wikipedia-calculator","title":"ChatGPT-Style Research Agent for n8n: GPT-4o + Wikipedia + Calculator","description":"\u003ch3\u003eAsk research questions in n8n Chat—get GPT-4o answers with Wikipedia sources and exact calculations\u003c\/h3\u003e\n\u003cp\u003eTurn your n8n Chat experience into a ChatGPT-style research agent. This workflow uses an OpenAI-powered agent to look up facts on Wikipedia, perform arithmetic with a calculator tool, and return concise, sourced answers while preserving short-term conversation context.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eReceives your question\u003c\/b\u003e from the \u003cb\u003en8nn-nodes-langchainchat trigger\u003c\/b\u003e when you send a message in n8n Chat.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eRoutes the message to a GPT-4o chat agent\u003c\/b\u003e configured as a concise research assistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eMaintains conversational continuity\u003c\/b\u003e using \u003cb\u003eConversation Buffer Memory\u003c\/b\u003e so the agent can reference recent messages.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePerforms factual lookups\u003c\/b\u003e by querying \u003cb\u003eWikipedia\u003c\/b\u003e and citing the relevant article in its response.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCalculates when needed\u003c\/b\u003e using the \u003cb\u003eCalculator\u003c\/b\u003e tool to return exact arithmetic results.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eResponds back in your language\u003c\/b\u003e—the final answer is returned to the chat in the language of the user’s question.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAnswer quick “what is \/ when did \/ who is” questions with \u003cb\u003eWikipedia-backed sources\u003c\/b\u003e directly inside n8n Chat.\u003c\/li\u003e\n  \u003cli\u003eCombine research and math (e.g., unit conversions, percentages, or multi-step calculations) with \u003cb\u003ecalculator-verified results\u003c\/b\u003e.\u003c\/li\u003e\n  \u003cli\u003eSupport SaaS operations teams with an internal “research copilot” workflow that keeps context across short back-and-forth.\u003c\/li\u003e\n  \u003cli\u003eAutomation engineers prototype conversational assistants without building a custom UI—just use the n8n Chat interface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eOpenAI\u003c\/b\u003e: GPT-4o (via \u003cb\u003en8nn8n-nodes-langchainlm chat open ai\u003c\/b\u003e) using an agent configured through \u003cb\u003en8nn8n-nodes-langchainagent\u003c\/b\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eChat Trigger\u003c\/b\u003e: \u003cb\u003en8nn8n-nodes-langchainchat trigger\u003c\/b\u003e to start the workflow from n8n Chat.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eTools\u003c\/b\u003e: \u003cb\u003en8nn8n-nodes-langchaintool wikipedia\u003c\/b\u003e for sourced lookups and \u003cb\u003en8nn8n-nodes-langchaintool calculator\u003c\/b\u003e for arithmetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eSetup\u003c\/b\u003e: Provide OpenAI API credentials for the GPT-4o mini chat model; optionally customize the agent’s system message for tone, language behavior, or tool-use instructions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":46190217330867,"sku":"N8N-20646","price":36.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/pK9mC21W_COrZakZb6sGa_lgmdAdx3.png?v=1791450403","url":"https:\/\/buyflowscripts.com\/products\/chatgpt-style-research-agent-for-n8n-gpt-4o-wikipedia-calculator","provider":"N8N Commerce","version":"1.0","type":"link"}