chrome-devtools-mcp vs browser-harness

chrome-devtools-mcp is the more adopted project, with 54,058 GitHub stars against 18,585 for browser-harness (about 2.9x more). browser-harness was updated more recently (today, against yesterday). chrome-devtools-mcp is written in TypeScript and browser-harness in Python.

chrome-devtools-mcpbrowser-harness
DescriptionChrome DevTools for coding agentsLet Claude Code, Codex or Cursor use your real Chrome, logged in as you. One prompt to set up. Open source, MIT.
AuthorChromeDevToolsbrowser-use
Stars5405818585
LanguageTypeScriptPython
LicenseApache-2.0MIT
Last update2026-10-23T14:15:34Z2026-10-24T01:48:48Z
Sourcehttps://github.com/ChromeDevTools/chrome-devtools-mcphttps://github.com/browser-use/browser-harness
Stars this week+343+117

Which should you choose?

Stars measure adoption, not fit. Read both READMEs for the tools each server exposes, then try them side by side in your client: the install guide shows how to add both.

Frequently asked questions

Which is more popular, chrome-devtools-mcp or browser-harness?

chrome-devtools-mcp has more GitHub stars: 54,058 against 18,585. This week chrome-devtools-mcp gained 343 stars and browser-harness gained 117, which says more about current momentum than the all-time total. Both figures are refreshed daily from GitHub.

Are chrome-devtools-mcp and browser-harness open source?

chrome-devtools-mcp: Apache-2.0 (open source). browser-harness: MIT (open source). An open-source license lets you run and self-host the server at no cost. If either one wraps a commercial API, that provider's pricing still applies, so read each README for the accounts and keys it needs.

Can I use chrome-devtools-mcp and browser-harness together?

Yes, if both run as MCP servers. MCP clients such as Claude Code, Cursor and VS Code can connect to several servers at once, and the agent picks tools from each. Give them distinct names in your config, and keep the number of active servers small so tool definitions do not crowd the context window.

Related comparisons

chrome-devtools-mcp details · browser-harness details · All Browser Automation MCP servers

Data last updated . Stars and downloads are refreshed every day from GitHub and npm.

Contact MCP Harbor

We reply by email. You can also write to hello@spone.io.