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Sweep 08 Oct 2026 · 18:53Z Build v2.1.295 516 read Stable v2.1.286 Latest v2.1.295 Next v2.1.295 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.292 ·

Limit on background MCP tasks between your messages

Once too many MCP tasks have moved to the background since you last wrote, new ones are cancelled and Claude is told no result will follow

You'll notice Improvements
JSON All of v2.1.292
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
MCPArea: what it touches
ImprovementsKind: in v2.1.292,
ImprovementsSection of the release

Unclear The size of the limit and whether this behaviour is switched on for everyone are not known.

What

MCP servers are add-on programs that give Claude Code extra tools. Some of those tools start a task on the server that Claude Code can move to the background while work goes on.

There is now a limit on how many such tasks can be moved to the background between your messages. Once it is reached, a new task is not moved. The tool tells Claude that a cancel was sent and no result will follow. This continues for further tasks until you write again.

Why

Claude sees a clear refusal and the reason for it, and background MCP tasks cannot pile up without bound while you are not replying.

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 doubtThe size of the limit and whether this behaviour is switched on for everyone are not known.

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