Jshookmcp runs on your own machine — the client starts it, so there is no endpoint to ping. 592 installs a week from npm. Last commit 8 Sep 2026.
MCP server for JavaScript analysis, security auditing, browser automation and hooks
We read the source, 17 h ago · rules 3dff92dd89df
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.
/(browser|page|navigate|click|type|screenshot|scrape|network|request|response|api|traffic|hook|capture|intercept|monitor|浏览器|页面|导航|点击|输入|截图|爬取|网络|请求|响应|接口|流量|抓包|拦截|监控)/i;
'engineering: anti-debug probes (ptrace / IsDebuggerPresent), system ' +
postinstall: node scripts/postinstall.cjs
const child = spawn(executablePath, debugArgs, {
const assigned = model.eval(decl);
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
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.
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 jshookmcp -- npx -y @jshookmcp/jshook
{
"mcpServers": {
"jshookmcp": {
"args": [
"-y",
"@jshookmcp/jshook"
],
"command": "npx"
}
}
}
[mcp_servers.jshookmcp]
command = "npx"
args = ["-y", "@jshookmcp/jshook"]
{
"mcpServers": {
"jshookmcp": {
"args": [
"-y",
"@jshookmcp/jshook"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"jshookmcp": {
"args": [
"-y",
"@jshookmcp/jshook"
],
"command": "npx"
}
}
}
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Answers built from our own checks of this server.