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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 v2.1.307 ·

New usage-event names for MCP connections and queued messages

Claude Code's list of usage events now includes names tied to MCP connections and to handling queued messages

Under the hood Internal Changes
JSON All of v2.1.307
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.307,
Internal ChangesSection of the release
What

Claude Code keeps a list of usage events it can report about how it is used. That list now includes new names, two of them about MCP connections. MCP (Model Context Protocol) is the way Claude Code connects to outside tools and servers. The new names cover:

  • a handoff involving claude.ai
  • dialling an MCP connection again after it was suspended
  • messages you queue while Claude is working, including putting a queued message back
Why

New event names change nothing you see on their own. They may point to MCP behaviour that other changes in this release introduce.

See this entry in the whole of v2.1.307 →

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