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Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

One change

Connect Claude Code to tools via MCP

mcp

first seen The page's own history The capture it came from

Nearest release: v2.1.240, published 9 hours after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

mcp Changed · +1 / -1 lines

from line 654
 
 When a request to an OAuth server you already signed in to returns `401 Unauthorized`, Claude Code refreshes the stored token, reconnects, and retries the request once. It flags the server in `/mcp` only if that retry also fails. Before v2.1.206, a token refresh that failed for a transient reason, such as a network error, flagged an OAuth server as needing authentication for the rest of the session even though its refresh token was still valid.
 
-When a token refresh fails because the server rejects the stored refresh token, Claude Code immediately shows a notice pointing at `/mcp`. The connected server's menu there offers Re-authenticate, so you can sign in again before the next tool call fails.
+When the server rejects the stored refresh token, Claude Code immediately shows a notice pointing at `/mcp`. Open `/mcp` and select **Re-authenticate** on the server to sign in again before the next tool call fails.
 
 A custom server that returns a `WWW-Authenticate` header pointing to its authorization server gets the same automatic discovery as any other remote server.