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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.323 ·

Time limit for memory file lookups when Claude Code runs as an MCP server

CLAUDE_CODE_MCP_SERVE_MEMORY_WALKS_DEADLINE_MS limits how long Claude Code searches for memory files when serving tools over MCP; default 2000 ms

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2Signal: worth watching, 1 to 5
MCP Server ModeArea: what it touches
New FeaturesKind: in v2.1.323,
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What

Claude Code can run as an MCP server, offering its tools to another program. In that mode, a new environment variable, CLAUDE_CODE_MCP_SERVE_MEMORY_WALKS_DEADLINE_MS, sets how long Claude Code spends looking for memory files in nested folders during a tool call. The default is 2000 milliseconds.

In the same mode, Claude Code now notes when a shell's working folder has been deleted and created again, and reports more specific reasons when it cannot apply its memory clean-up settings, such as a setting it cannot read or a missing runtime module.

Why

This only matters when Claude Code is running as an MCP server. The time limit stops memory file lookups from holding up tool calls.

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The name it cites is new in this buildNew in this build: CLAUDE_CODE_MCP_SERVE_MEMORY_WALKS_DEADLINE_MS

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