Cancelled MCP sign-ins no longer override a newer one

In the /mcp menu, a cancelled sign-in no longer resets the screen while a newer sign-in is still in progress

You'll notice Bug Fixes

JSON All of v2.1.323

You'll noticeTier: how much it should matter to you

1Useful: my rating, 1 to 5

0Signal: worth watching, 1 to 5

MCPArea: what it touches

Bug FixesKind: in v2.1.323, 12 Nov 26

Bug FixesSection of the release

What

The /mcp menu lets you sign in to MCP servers, outside programs that give Claude Code extra tools. If you cancel a sign-in and start another, the cancelled one now stops quietly when it finishes. It only resets the menu if it is still the current sign-in.

Why

This fixes a race. Before, an old cancelled sign-in could finish late and override a newer one you had already started.

Read from

Names in the bundle/mcp

How sure we are

One source agreesOne thing we can check says the same as this entry.

Anthropic's release notes agreeFixed /mcp and /plugins opening an MCP server's page with the cursor on "Disable" when the server needs authentication but still holds its…

See this entry in the whole of v2.1.323 →

The build it came inv2.1.323

12 Nov 2026 · 888 entries, this one is #626.

Use it now77
You'll notice533
Nothing to try yet64
Under the hood214

Either side of it

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Names in this entry

slash/mcp
Manage MCP server connections and OAuth authentication. Run with no argument to open the interactive list, pass reconnect <server> to reconnect one disconnected server, or pass enable/disable with a server name or all to change connection state without opening the dialog. Also available in non-interactive mode (-p), where running it with no argument prints a text summary of server status instead of opening the list; requires Claude Code v2.1.205 or later

Anthropic's notes

Upstream's own release notes for v2.1.323 name something this entry names, so the two are probably about the same change. Probably: the pairing is made on a shared name rather than on the words around it.

Fixed /mcp and /plugins opening an MCP server's page with the cursor on "Disable" when the server needs authentication but still holds its sign-in; the page now offers "Reconnect" and opens on it
Improved /mcp to show how many of a server's tools were left out because the API would reject their input schema, and why
Changed the tool Claude uses to finish an MCP server sign-in so that it asks you to confirm, even in bypass and auto modes; where nobody can be asked, such as in dontAsk mode, use /mcp

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