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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 ·

Permission requests from MCP skills are described and relayed differently

Permission prompts for MCP skills now show the skill's summary, offer no always-allow option, and are not relayed to the skill's own server

You'll notice Improvements
JSON All of v2.1.312
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
MCPArea: what it touches
ImprovementsKind: in v2.1.312,
ImprovementsSection of the release

Unclear It is not clear whether any tool calls in this release are actually marked as coming from an MCP skill.

What

MCP (Model Context Protocol) servers are outside programs that give Claude extra tools and skills. When a tool call that comes from an MCP skill needs your permission and the request is passed to you remotely, Claude Code now handles it differently:

  • The prompt describes the action with the skill's summary instead of the tool's standard description.
  • The prompt does not offer an option to always allow the action.
  • Channel servers are connected servers that pass permission prompts on to you somewhere else. The server that owns the skill no longer receives the prompt.
  • An "allow" answer from the server that owns the skill is ignored.

Before, every permission prompt used the tool's standard description, and every connected channel server received it.

Why

This changes who can approve an MCP skill's actions. The server that provides a skill can no longer approve that skill's own requests.

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 any tool calls in this release are actually marked as coming from an MCP skill.

See this entry in the whole of v2.1.312 →

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