The command that adds an MCP server prints its confirmation line. What has that line established?

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Last reviewed 21 Aug 2026

That the server is running and reachable, since a confirmation would not be printed otherwise.
That the command and the URL are valid, because a successful write implies they were checked first.
That the configuration was written, and nothing at all about whether the server runs.Correct answer
That nothing is wrong, because a failure would certainly have been reported at the moment of adding.

Show answer & explanation

Correct answer: C. That the configuration was written, and nothing at all about whether the server runs.

Explanation

The principle — Two separate things can go wrong when you add a server, and the confirmation only speaks to the first of them.

Why the key is correct — The documentation is blunt about it: the confirmation means the entry was saved, not that the command runs. Checking the status afterwards is a separate action, and it is the one that tells you anything about health.

Why the others are wrong — Nothing has been reached, so nothing is known to be running. No failure could have been reported, because no connection was attempted. And the values are stored as typed rather than validated, so a placeholder is accepted without complaint.

Remember this — Added means written. Check the status to learn anything more.

Sources — Anthropic's Claude Code MCP quickstart.

Sources

Primary sourceConnect to MCP servers — Anthropic · accessed 20 Aug 2026
“The Added confirmation means the entry was saved, not that the command runs.”

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The command that adds an MCP server prints its confirmation line. What has that line established?

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The command that adds an MCP server prints its confirmation line. What has that line established?

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