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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 v2.1.232 ·

MCP connections record how they negotiated, and treat a probe timeout as a fallback

An MCP probe that times out is treated as a fallback rather than a failed connection.

You'll notice Internal Changes
JSON All of v2.1.232
You'll noticeTier: how much it should matter to you
4Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.232,
What probably matters to youSection of the release
What

MCP connect success and failure events now record which negotiation mode was used and whether the connection had to fall back after probing. In automatic negotiation mode, a request timeout during the Anthropic-side probe is now treated as a fallback case instead of a hard connection failure.

Evidence

_anthropicProbeTimedOut

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

See this entry in the whole of v2.1.232 →

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