# Review Google Docs content against brand guidelines with Gemini and MCP

> Quick overview This workflow reviews a Google Docs content brief against a brand kit stored in an n8n Data Table, uses an OpenRouter LLM plus MCP tools to verify documentation references, then appends feedback to the original Doc and emails an HTML report via Gmail. How it works 1. Receives a Google Doc URL through an n8n form trigger. 2. Downloads the Google Doc from Google Drive as Markdown and extracts the text content. 3. Loads the visible brand-kit entries from an n8n Data Table and concatenates them into a single reference block. 4. Sends the brief text and brand-kit block to an OpenRouter-powered AI Agent, which uses MCP tools to search n8n Docs and the n8n knowledge sources for verifiable links and claims. 5. Formats the agent’s structured feedback into a Markdown review report. 6. Appends the review text to the original Google Doc using Google Docs. 7. Converts the Markdown report to an HTML file and emails it as an attachment via Gmail. Setup 1. Connect Google Drive OAuth2 an

- **Domain**: `n8n-workflow-21086.n8n.io`
- **Provider**: n8n.io (https://n8n.io)
- **Kind**: workflow
- **Live-responds (last probe)**: None
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 40%

## URLs
- Agent card: https://n8n.io/workflows/21086
- Page (HTML): https://agenstry.com/agents/n8n-workflow-21086.n8n.io
- Documentation: https://n8n.io/workflows/21086