Drive a browser

Chrome DevTools MCP

Open-source MCP server and CLI that lets an agent control, inspect and profile a local Chrome browser.

Methods

Method	Used for	How
None	Using the MCP server or CLI	Local process; no key or account
`--wsHeaders`	Connecting to a remote Chrome over WebSocket	JSON headers such as `Authorization`, passed with `--wsEndpoint`

Source3Configuration

Getting access

Who creates the account: No account1
Where to get a key: No key needed1
Other requirements: Node.js LTS, current stable Chrome and npm1

Read from Google Chrome DevTools team’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/drive-a-browser/chrome-devtools-mcp.md