The 3 isTrusted:false Bugs That Made LinkedIn Posts Impossible From My MCP Server

📰 Dev.to · אחיה כהן

Learn how to troubleshoot and fix browser automation issues with rich-text editors in dialogs, specifically with LinkedIn's Lexical composer

intermediate Published 22 Apr 2026
Action Steps
  1. Identify the security boundaries in LinkedIn's Lexical composer that may be causing issues with browser automation tools
  2. Configure your browser automation tool to handle rich-text editors in dialogs
  3. Test and debug your automation script to ensure it can successfully interact with the rich-text editor
  4. Apply workarounds for the isTrusted:false bugs that may be preventing your automation tool from working correctly
  5. Compare the behavior of different browser automation tools to determine which one works best with LinkedIn's Lexical composer
Who Needs to Know This

Developer teams working with browser automation tools and rich-text editors will benefit from understanding these security boundaries and how to overcome them. This knowledge is crucial for ensuring seamless integration with platforms like LinkedIn.

Key Insight

💡 Understanding the security boundaries in LinkedIn's Lexical composer is crucial for successful browser automation

Share This
🚨 Did you know that LinkedIn's Lexical composer has 3 security boundaries that can break browser automation tools? 🤖 Learn how to fix them! #browserautomation #linkedin
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