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Sweep 27 Oct 2026 · 19:04Z Build v2.1.312 531 read Stable v2.1.308 Latest v2.1.312 Next v2.1.312 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.312 ·

New permission messages for commands whose file access can't be checked

New permission messages cover commands whose opened files can't be identified, and "always allow" suggestions differ for MCP skills

Nothing to try yet Improvements
JSON All of v2.1.312
Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
PermissionsArea: what it touches
ImprovementsKind: in v2.1.312,
ImprovementsSection of the release

Unclear Which hosts or commands lead to these new messages is not stated.

What

Claude Code has three new permission messages for when it cannot tell which files a command opens on a host (the machine the command runs on):

  • Two ask you first before the command runs.
  • One refuses the command outright when managed deny rules apply. Managed rules are permission rules set by an organisation's administrator.

The suggestions Claude Code offers for adding an allow rule are also handled differently when the request comes from an MCP skill. An MCP skill is a skill provided through an MCP server, which is an outside service that adds tools to Claude Code.

This sits behind the same server-controlled setting that already affected the "always allow" choice in permission prompts. It is off unless it is switched on remotely.

Why

This tightens how commands from forwarded MCP skills get approved, especially when Claude Code cannot see which files they will touch.

Read from
Feature flag
tengu_valiant_crayon Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.312: off

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.312. It isn't a statement about your account. What a flag value here can and cannot tell you

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 doubtWhich hosts or commands lead to these new messages is not stated.

See this entry in the whole of v2.1.312 →

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