Audit & generate JSON-LD schema markup for SEO with GPT-4.1-mini + Gmail
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What to replace before upgrading
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) Schema Markup Agent (v1.9) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (8)
- Gmail
n8n-nodes-base.gmail - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenRouter Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenRouter - Code Tool
@n8n/n8n-nodes-langchain.toolCode - n8n Form Trigger
n8n-nodes-base.formTrigger - Http Request Tool
n8n-nodes-base.httpRequestTool - Auto-fixing Output Parser
@n8n/n8n-nodes-langchain.outputParserAutofixing - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured
What it does
Schema Markup Generator Automatically audit and optimize your site’s JSON-LD structured data and email a step-by-step implementation guide. --- What It Does Collects a website URL & email via form Extracts existing JSON-LD, identifies gaps Generates optimized schema markup (GPT-4.1-mini) Builds an HTML before/after guide with action items Emails the full implementation instructions --- Prerequisites n8n instance (self-hosted, Desktop, or Cloud) Gmail OAuth2 credentials OpenRouter API key (for GPT-4.1-mini) --- Quick Setup 1. Gmail: Add OAuth2 credential → select in “Send Email” node 2. OpenRouter: Store API key → link in “Schema Markup Agent” node 3. Form: Configure fields websiteUrl & emailAddress in your Webhook/Form node --- Customization AI Prompt: Tweak system message to focus on specific schema types or output style Email Template: Modify HTML header/footer or add sections --- Troubleshooting & Limits Monitor OpenRouter rate limits and Gmail send quotas Ensure target sites allow scraping for schema extraction