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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 ·

MCP prompt commands trim what you type and check it before running

MCP prompt commands now split trimmed text into arguments and run a check that can stop the command before the prompt is fetched

You'll notice Improvements
JSON All of v2.1.292
You'll noticeTier: how much it should matter to you
1Useful: 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 What the new check tests before the prompt is fetched is not known.

What

MCP servers, outside programs that give Claude Code extra abilities, can offer prompts that you run as slash commands. When you run one, Claude Code now:

  • trims spaces from the start and end of what you typed, then splits it into arguments
  • runs a check that can stop the command with an error before the prompt is requested from the server
Why

Extra spaces at the start or end of what you type no longer turn into empty arguments.

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 the new check tests before the prompt is fetched is not known.

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