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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.265 ·

MCP tool checkPermissions now consults an SDK-level permission hook first

MCP tool permission checks now first ask an SDK-level permission hook before falling back to normal consent logic

Under the hood Internal Changes
JSON All of v2.1.265
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.265,
Internal ChangesSection of the release
What

When Claude Code decides whether an MCP tool is allowed to run, it now first checks whether the SDK layer has already made a decision. If it has, that decision is used directly; otherwise Claude Code falls through to its usual suggestion and consent flow.

Why

This lets a higher-level permission decision (for example, one set by an SDK integration) take priority over Claude Code's default prompt-for-consent behavior for MCP tools.

See this entry in the whole of v2.1.265 →

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