mcp-v8 runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 27 Oct 2026.
Run JavaScript and TypeScript in sandboxed V8 isolates with policy-controlled host capabilities.
What the code does
We read the source, 3 d ago · rules 995398eba69f
A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.
std::fs::write(
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.
subprocess.check_output(cmd)
execFileSync(process.execPath, ['node_modules/typescript/bin/tsc', '-p', 'tsconfig.build.json'], { stdio: 'inherit' });
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
A tool parameter here reaches a dangerous call
That is not a flaw by itself — but it is where things go wrong when it is not the job. We re-read this code on every release. Watch it and you hear from us the day another one appears.
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mcp-v8 — questions
Answers built from our own checks of this server.