Yes
Claude was able to identify the slowness and use various react tricks to fix the specific issues, all without my input
Syntaf on Hacker News
under 100ms responsiveness to actions
In the thread “The Safari MCP server for web developers”, replying to this comment
Helped: Iterating on specific performance issues autonomously
I used the chrome MCP to profile a slow react page at my company, set a /goal and had it iterate until it achieved under 100ms responsiveness to actions. Claude was able to identify the slowness and use various react tricks to fix the specific issues, all without my input. I don’t think the playwright MCP can do this, unless I’m mistaken