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Browsing: n8n Integrations & Nodes
Practical tutorials for connecting n8n to external tools and services, including OAuth credentials, API keys, OpenAI nodes, HTTP Request behavior, Google Drive, Puppeteer, and community nodes.
Configure N8N_COMMUNITY_PACKAGES_ALLOW_TOOL_USAGE so self-hosted n8n AI Agents can safely use community package tools such as MCP tools.
Fix the n8n Google OAuth access blocked error by adding your Gmail account as a Google Cloud test user, checking the redirect URI, and reconnecting Google Drive.
Fix the n8n MCP Client Tool unrecognized node type error by allowing community package tools, restarting n8n, and testing the AI Agent tool call again.
Install Puppeteer in n8n with the n8n-nodes-puppeteer community node, then test browser automation by capturing a webpage screenshot.
Learn how to configure Retry on Fail in the n8n HTTP Request node and connect failed workflows to an Error Trigger workflow that sends actionable Gmail alerts.
Learn how to connect n8n to OpenAI by creating an OpenAI API key, adding it to an OpenAI node credential, saving it securely, and testing the node.
Learn how to use the OpenAI Responses API in n8n, store chat history with Data Tables, pass memory back into the model, and compare token usage.
Fix the n8n Google Drive access blocked OAuth error by adding your Gmail as a Google Cloud test user and creating the correct OAuth client credentials.