BrowserAttach runs on your own machine — the client starts it, so there is no endpoint to ping. 6 478 installs a week from npm. Last commit 31 Oct 2026.
Control existing signed-in Chrome and Edge tabs through a locally paired extension.
What the code does
We read the source, 1 d ago · rules 995398eba69f
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.
const child = spawn(process.execPath, [fileURLToPath(new URL('../bin/browser-attach.mjs', import.meta.url)), 'hub', '--config', configPath], {
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 mcp add browser-attach -- npx -y @evan_zhong/browser-attach{
"mcpServers": {
"browser-attach": {
"command": "npx",
"args": [
"-y",
"@evan_zhong/browser-attach"
]
}
}
}[mcp_servers.browser-attach]
command = "npx"
args = ["-y", "@evan_zhong/browser-attach"]{
"mcpServers": {
"browser-attach": {
"command": "npx",
"args": [
"-y",
"@evan_zhong/browser-attach"
]
}
}
}{
"servers": {
"browser-attach": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@evan_zhong/browser-attach"
]
}
}
}Alternatives to BrowserAttach
same job, measured the same wayLocal-only Chrome and Edge control for MCP clients through an origin-scoped extension.
Your real Chrome in background tabs (Windows; needs the NexusBrowser bridge and extension).
Drive a browser you are already signed into, through the free T3rnel Browser extension.
Control a local headless Chrome browser: open pages, read titles, and take screenshots.
Let AI agents observe and control Chrome tabs you explicitly share via Browse Bridge.
MCP server + Chrome extension for AI browser control with real sessions.
Chrome Web Store — public extension listing data: a single extension by id, free-text search, and…
Cite or capture a web page; installs the capture extension in Firefox and Chrome.
BrowserAttach — questions
Answers built from our own checks of this server.