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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.323 ·

Long-running MCP tasks can be handed to a polling service

Background tasks on MCP servers can now be checked by a separate service, with Claude Code checking once and then waiting for updates

Under the hood Internal Changes
JSON All of v2.1.323
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.323,
Internal ChangesSection of the release

Unclear What decides whether the polling service is used instead of Claude Code checking tasks itself.

What

MCP servers are add-ons that give Claude extra tools, and some of their jobs run in the background as tasks. Before, Claude Code always checked on these tasks itself. Now a task can be handed to a separate polling service:

  • Claude Code checks the task once, then waits for a change notice or a message from you.
  • A task can be moved to the background automatically after a wait.
  • When you resume a session, these tasks are restored or stopped.
  • Records of finished tasks now include a final summary.
Why

It changes how MCP background tasks are followed and how they come back when a session is resumed.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhat decides whether the polling service is used instead of Claude Code checking tasks itself.

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