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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.227 ·

A failing MCP credential read no longer aborts the request

An unreadable MCP credential store no longer kills your request; you get a retryable message.

You'll notice Bug Fixes
JSON All of v2.1.227
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
MCPArea: what it touches
Bug FixesKind: in v2.1.227,
Bug FixesSection of the release
What

Token lookups in the MCP authentication paths now return nothing on failure rather than throwing, and an unreadable credential store gets its own message saying nothing was sent and the request can be retried.

Details
  • The message reads: Stored credentials for MCP server "name" could not be read right now. Nothing was sent. Retry the request.
  • MCP connection-timeout errors are now built by a shared helper instead of inline.
Evidence

Stored credentials for MCP server "${e}" could not be read right now. Nothing was sent. Retry the request.

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

See this entry in the whole of v2.1.227 →

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