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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
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Claude Code v2.1.311 ·

New mcpMount settings layer and remembered security warnings

Claude Code's settings order gains an mcpMount layer, and it now saves a record of security warnings you have already seen

Under the hood Internal Changes
JSON All of v2.1.311
Under the hoodTier: how much it should matter to you
4Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
SettingsArea: what it touches
Internal ChangesKind: in v2.1.311,
What probably matters to youSection of the release

Unclear It is not clear whether MCP servers can actually supply settings through the new layer.

What

Claude Code combines settings from several places in a fixed order. That order now has an mcpMount layer between session settings and command settings. MCP refers to outside programs that give Claude extra tools.

Claude Code also now saves a list of security warnings you have already seen, so it is kept between runs.

Why

The new layer suggests MCP servers may be able to supply settings. The saved list suggests a security warning you have dismissed may stay dismissed.

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 doubtIt is not clear whether MCP servers can actually supply settings through the new layer.

See this entry in the whole of v2.1.311 →

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