facebook/memlab

A framework for finding JavaScript memory leaks and analyzing heap snapshots

About the project

MemLab is a JavaScript testing and analysis framework that detects memory leaks by comparing and examining heap snapshots, which record the memory used by a program. Developers use it to investigate memory problems and find optimization opportunities in browser, Node.js, Electron.js, or Hermes applications. Its catalogue add-ons provide an MCP server that lets AI coding assistants load heap snapshots and investigate leaks through interactive tools.

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memlab

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facebook/memlab

MCP server Claude CodeCodexCursor +2 ✓ vendor

MCP server "memlab" as configured in facebook/memlab. Runs packages/mcp-server/bin/memlab-mcp.js with node. Needs 1 environment variable to run.

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