What it does
veilbrowser is an MCP server that lets an AI agent drive an installed Chrome browser through the Chrome DevTools Protocol. It has no runtime dependencies and does not use Playwright, Puppeteer or WebDriver. Elements are chosen by references from the accessibility tree, and it can attach to a running Chrome to reuse a signed-in session.
Use cases
- 01Filling in the same web form for many records
- 02Walking through a page flow on a staging site
- 03Reusing a signed-in Chrome session for internal tools