Browser MCP Server

by cherchyk Your server? Claim it

local only

Browser runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 12 Oct 2026.

MCP server for loading authenticated web pages using Chrome DevTools Protocol

—

Installs / week

not published

Stars

1 open issue

12 Oct 2026

Last commit

from GitHub

MIT

License

JavaScript

What the code does

We read the source, 6 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Executes code built at runtime MCPBrowser/src/actions/execute-javascript.js:244

        const fn = new Function(`return (async () => { ${userScript} })();`);

Builds a file path from a variable MCPBrowser/src/plugins/word/markdown-files.js:195

    (await pathExists(path.join(directory, candidate)))

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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Browser — questions

Answers built from our own checks of this server.

Why is there no uptime for Browser?

Browser runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.

Is Browser open source?

Yes — it is published under the MIT licence, written in JavaScript, 9 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.