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fix(memory): honor MEMORY_FILE_PATH relative to cwd and prepare storage dir - #4327

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KirtiRamchandani wants to merge 1 commit into
modelcontextprotocol:mainfrom
KirtiRamchandani:fix/memory-file-path-mkdir
Closed

KirtiRamchandani wants to merge 1 commit into
modelcontextprotocol:mainfrom
KirtiRamchandani:fix/memory-file-path-mkdir

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@KirtiRamchandani

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Problem

MEMORY_FILE_PATH was resolved relative to the installed package directory when a relative path was provided, so MCP clients configuring a workspace-local path still wrote into the npx cache directory (#692).

Custom absolute paths also failed when parent directories did not exist yet.

Root cause

  • Relative env paths joined against import.meta.url instead of process.cwd()
  • No directory creation before first write
  • Custom .json paths were not migrated to JSONL like the default path

Fix

  • Resolve relative MEMORY_FILE_PATH with path.resolve(process.cwd(), ...)
  • mkdir parent directories for custom storage paths
  • Migrate legacy custom memory.json to memory.jsonl
  • Tests for cwd resolution, mkdir, and custom-path migration

Fixes #692

…ge dir

Resolve relative MEMORY_FILE_PATH against process.cwd() instead of the
installed package directory, create parent directories for custom paths,
and migrate legacy .json custom paths to .jsonl.

Fixes modelcontextprotocol#692
@cliffhall

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Thank you for this pull request, and apologies for the long wait for a response.

Since it was opened, the reference servers have been rebuilt for the 2026-07-28 MCP specification (#4857) and released as v2 (2.0.0 on npm for the TypeScript servers, 2026.10.19 on PyPI for the Python servers). The code this PR changes has been replaced, and the behavior it addresses has either been fixed in v2 or no longer exists in the same form.

This is not a judgment on the change or on you; it's a consequence of the code it targets having been replaced. If the problem still happens on v2, please open a fresh issue with the version you're running and steps to reproduce. Note that this repository now accepts contributions as issues rather than pull requests from anyone but its maintainers; see CONTRIBUTING.md.

This is part of the backlog triage in #4875.

@cliffhall cliffhall closed this Oct 20, 2026
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closed-superseded-v2 Closed: fixed or made obsolete by the v2 / 2026-07-28 refactor (#4875)

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Memory MCP ignores custom storage path setting

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