Using LM-Studio as the frontend and Playwright-powered MCP tools for browser access. I've had success with one such MCP: https://github.com/instavm/coderunner It has a tool called navigate_and_get_all_visible_text, for example.

Here's a demo of this functionality: https://www.youtube.com/watch?v=9mLrGcuDifo

aider uses Playwright. I don't know what everybody is using but that's a good starting point.