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ExpertStarterAI AgentsWebhook trigger11 nodes

Automate an assistant workflow: Gmail

Fires the moment a webhook arrives across Gmail and Google Sheets, looks the answer up in a vector store, then hands the decision to an AI agent. Built for task automation, around a "Answer from Knowledge Base" step, in 11 documented nodes.

Automate an assistant workflow with Gmail hands-free. An original, ready-to-import n8n workflow built around the 'AI Agent' pattern for AI & automation. It fires on a webhook and orchestrates 11 nodes across Gmail, Google Sheets. It uses n8n's LangChain AI nodes (Agent/Chain + chat model). Retry-on-fail is enabled on external calls. Import the JSON, add your credentials, and adapt the parameters. Nothing slips through the cracks.

Key benefits

  • Keeps Gmail and Google Sheets in step for task automation, without anyone re-typing a row
  • A failed Gmail or Google Sheets call is retried rather than dropped, at any of the 11 nodes in this task-automation build
  • The task-automation AI step is isolated from Gmail, so models swap without touching the other 11 nodes
  • Task-automation answers come from your indexed content, not model recall, before reaching Gmail
  • Pinned sample data ships with it — run all 11 nodes for task automation before wiring Gmail

Use cases

  • Teams keeping Gmail and Google Sheets aligned by hand for task automation
  • Answering task-automation questions from your own indexed documents, then replying in Gmail
  • Task automation work that needs a judgement call per item before it reaches Gmail
  • Pushing task-automation events into Gmail and Google Sheets the moment they land, not on the next poll

Integrations

GmailGoogle SheetsOpenAI

Workflow preview (11 nodes)

The template's actual node layout and connections. Node parameters and credential slots unlock with the download.

Receive Inbound WebhookWebhookAnswer from Knowledge B…AgentOpenAI Chat ModelLm Chat Open AiKnowledge Base RetrieverVector Store PineconeQuery EmbeddingsEmbeddings Open AiRerank Retrieved ChunksReranker CohereGrounded Answer Found?IfReturn Answer (HTTP 200)Respond To WebhookLog Knowledge GapGoogle SheetsFlag Gap to KB OwnersGmailSend Summary to GmailGmail

What's inside (11 nodes)

A look at the node types this workflow uses. No purchase required — full parameters and credentials are yours after you buy.

AgentEmbeddings Open AiGmailGoogle SheetsIfLm Chat Open AiReranker CohereRespond To WebhookVector Store PineconeWebhook

Agent tools included (1)

An AI Agent is only as capable as the tools wired into it. These are read from the template's own graph — every one is a real node in the file you download.

  • Knowledge Base Retriever · Vector Store Pinecone

This agent runs without conversation memory - each run starts from the incoming request.

From download to running in 3 steps

  1. 1
    Import. In n8n, open Workflows → menu → “Import from File” and pick the downloaded JSON.
  2. 2
    Connect. Add your own credentials on the app nodes - n8n highlights exactly which ones need them.
  3. 3
    Activate. Run it once to test, then toggle Active. The automation is live.

What you'll learn

Foundation level

A starter-sized build - small enough to hold in your head while you learn the pattern.

  • Moving data between Google Sheets and Gmail in a single run
  • Adding retries and an explicit error path to external calls
  • Testing against pinned sample data before connecting anything real

Every node carries its own documentation on the canvas, plus notes explaining why the architecture was built this way, a credential setup guide, troubleshooting, and three practice exercises. Sample data comes pinned to the trigger, so you can hit Execute and watch data flow before connecting a single account.

Common questions

What exactly do I get?

The complete, ready-to-import n8n workflow as a JSON file, delivered instantly after payment. Import it into your own n8n (cloud or self-hosted), add your credentials, and it runs.

How do I import it into n8n?

In n8n, open Workflows, click the three-dot menu, choose “Import from File”, and select the downloaded JSON. Then connect your own app credentials on the highlighted nodes.

Do I need anything else for it to work?

You need your own n8n instance and accounts/credentials for the apps this workflow connects to (Gmail, Google Sheets). No coding is required.

What if it doesn't work for me?

If the file is faulty, won't import, or isn't as described, contact us within 7 days and we'll fix it or refund you - see our refund policy.

Can I modify or resell it?

You can freely adapt and use it in your own or your clients' projects. Reselling or redistributing the template file itself is not permitted.

Original n8n workflow template created and owned by WorkflowCrate. After purchase you receive the ready-to-import JSON file and a license to use and adapt it in your own projects.