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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 v2.1.312 ·

New internal labels for auto mode server checks, MCP approvals and plugin hooks

Claude Code now carries new internal labels for server checks in auto mode, an MCP approval ticket, and per-plugin hook counts in usage data

Under the hood Internal Changes
JSON All of v2.1.312
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Auto ModeArea: what it touches
Internal ChangesKind: in v2.1.312,
Internal ChangesSection of the release
What

Several new names appear in Claude Code's internal lists:

  • auto_mode_floor_server_check and auto_mode_no_server_check, two labels relating to auto mode (where Claude Code decides on its own whether to allow an action)
  • mcp_approval_ticket, a label relating to MCP (the system that connects Claude Code to outside tools)
  • pluginHookCountsByHash, a new field allowed in usage data, relating to how many hooks each plugin has
Why

These point to auto mode checking with a server in some cases and to an approval-ticket step for MCP tools. Nothing here says how either behaves yet.

See this entry in the whole of v2.1.312 →

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