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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.221 ·

A tools refresh that returns empty due to expired auth no longer wipes the tool list

Your MCP tools no longer vanish when a server's auth expires during a tool refresh.

You'll notice Bug Fixes
JSON All of v2.1.221
You'll noticeTier: how much it should matter to you
4Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
MCPArea: what it touches
Bug FixesKind: in v2.1.221,
What probably matters to youSection of the release
What

When a tools/list_changed refresh comes back with the needs-auth empty list, the previously discovered tools are kept.

Details
  • The refresh logs the condition and retains the prior tools rather than replacing them with nothing.
  • List-changed telemetry is suppressed for that case, so an auth expiry does not look like a real tool set change.
Evidence

tools refresh returned the needs-auth empty list; keeping previous tools

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.221 →

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