Public Browser MCP Server

by silbercue Your server? Claim it

local only

Public Browser runs on your own machine — the client starts it, so there is no endpoint to ping. 283 installs a week from npm. Last commit 14 Sep 2026.

Browse your real profile: -30% tokens, -25% cost, -41% tool calls, -34% tool defs, +40% faster

Installs per day peak 377 · avg 30 · -73% w/w

a month agotoday

283

Installs / week

npm · public-browser

Stars

2 open issues

14 Sep 2026

Last commit

0 releases in 90 days

MIT

License

TypeScript

What the code does

We read the source, 19 h ago · rules 3dff92dd89df

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.

A line of code looks encrypted src/overlay/session-overlay.ts:5

  "iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAIAAADYYG7QAAAAAXNSR0IArs4c6QAAAERlWElmTU0AKgAAAAgAAYdpAAQAAAABAAAAGgAAAAAAA6ABAAMAAAABAAEAAKACAAQAAAABAAAAMKADAAQAAAABAAAAMAAAAADbN2wMAAADOElEQVRYCe1Xv0/qUBQWxOcPjFGJiiEMDBIdQAdC1BD4AzRENhcdWYG4MjCZGDZGVzaYddJIICESoy7CJkZNSICYoFHkh8L7YpM+Hu3tp…

Runs an external command python/publicbrowser/client.py:161

        self._server_proc = subprocess.Popen(

Long encoded blob in source src/overlay/session-overlay.ts:5

  "iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAIAAADYYG7QAAAAAXNSR0IArs4c6QAAAERlWElmTU0AKgAAAAgAAYdpAAQAAAABAAAAGgAAAAAAA6ABAAMAAAABAAEAAKACAAQAAAABAAAAMKADAAQAAAABAAAAMAAAAADbN2wMAAADOElEQVRYCe1Xv0/qUBQWxOcPjFGJiiEMDBIdQAdC1BD4AzRENhcdWYG4MjCZGDZGVzaYddJIICESoy7CJkZNSICYoFHkh8L7YpM+Hu3tp…

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.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add public-browser -- npx -y public-browser

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "public-browser": {
      "args": [
        "-y",
        "public-browser"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.public-browser]
command = "npx"
args = ["-y", "public-browser"]

.cursor/mcp.json

{
  "mcpServers": {
    "public-browser": {
      "args": [
        "-y",
        "public-browser"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "public-browser": {
      "args": [
        "-y",
        "public-browser"
      ],
      "command": "npx"
    }
  }
}

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Public Browser — questions

Answers built from our own checks of this server.

Why is there no uptime for Public Browser?

Public Browser runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package public-browser was installed 283 times last week.

How do I connect Public Browser?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls public-browser straight from npm; nothing to host, nothing to sign up for.

How many people use Public Browser?

The npm package public-browser was installed 283 times in the last week. Week over week that is -73%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Public Browser open source?

Yes — it is published under the MIT licence, written in TypeScript, 8 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.