The N8N2MCP utilizes Microsoft Playwright as the browser automation engine, which is the key to its technology for solving n8n authentication challenges. The design delivers three core values:
- Simulate real login: fully reproduce the authentication process of a human user in a browser, bypassing API limitations
- Multi-factor authentication support: can handle complex authentication scenarios that include CAPTCHA, etc.
- Session retention: automatic maintenance of cookies and localStorage for long-lasting authentication
Implementation with caveats: it must be done throughplaywright installcommand to install the Chromium kernel, otherwise the system will fall back to basic authentication mode. When deploying in a Docker environment, you need to add the--with-dependenciesparameter ensures that the browser environment is complete.
Performance data shows that the Playwright scheme improves the authentication success rate from 75% to 99.8% compared to direct API calls, but increases the initialization elapsed time by about 200ms. This is a reasonable design that weighs security and responsiveness.
This answer comes from the articleN8N2MCP: automated tool to convert n8n workflows to MCP serversThe
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