#1818th of 86 in MCP servers for developers
browser-tools-mcp
MCP server that feeds Chrome console, network and Lighthouse data to coding agents
- Stars
- 7.3k
- License
- MIT
- Last commit
- Oct 2026
- Last release
- Oct 2026
- Language
- TypeScript
7,053 on 3 Apr 20267,340 on 30 Oct 2026
From GitHub's daily star counts.
Checked on GitHub.
Overview
Runs as an npx-launched MCP server paired with a Chrome DevTools extension, and passes console logs, network requests, screenshots and Lighthouse audits from your logged-in browser session to MCP clients such as Cursor, Claude Code and Cline. Version 2.0 is a single-process rewrite that binds to loopback only, requires a per-run token and redacts credentials before data leaves the browser.
Who it is for: Developers debugging live web apps with MCP-capable coding agents
Strengths
- Reads your existing logged-in Chrome session, no throwaway debug profile needed
- Per-tab capture with limit, offset and keyword filters to keep context small
- Loopback-only binding, per-run token and credential redaction by default
- Four Lighthouse audit tools, including accessibility, performance and SEO
Weaknesses
- Requires manually loading an unpacked Chrome extension
- Capture starts only when DevTools is open; earlier requests are not recorded
- Firefox support is unverified and untested
- Audits launch a separate browser and can take up to a minute
What it needs
- no GPU
- Needs Node 22.19+, Chrome extension, Chromium-based browser for audits
- port 3025
Quick answers
Is browser-tools-mcp open source?
Yes. Its code is on GitHub under the MIT license.
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