MCP Integration in Claude Code
Last reviewed
Correct answer: C. A stdio server, because it runs as a local process and can therefore reach local resources.
Explanation
The principle — Where a server runs decides what it can touch, and no amount of configuration moves that line.
Why the key is correct — Stdio servers run as local processes on your machine, which is exactly the property a browser-driving tool needs. The server is a program Claude Code starts, so it sees the same machine you do.
Why the others are wrong — A hosted server runs elsewhere and cannot reach your browser, whether or not you add a permission for it. And nothing about a local server is operated remotely and piped back to you.
Remember this — If the tool must touch your machine, the server has to run on it.
Sources — Anthropic's Claude Code MCP reference.
Sources
“Stdio servers run as local processes on your machine.”
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