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JavaScript and Node.js memory leak diagnosis v1.0.0

Use this resource to find and fix a memory leak in a JavaScript or Node.js application

New

  • 346 downloads
  • 218 likes
  • 110 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install memory-leak-diagnosis-heap-snapshots

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent captures heap snapshots, compares them and follows retainer chains back to the leaking object. The memory tools of Chrome DevTools MCP require the --memoryDebugging flag. You get the likely cause and a fix direction.

Mostly picked by

Updated November 2, 2026

Card for the “JavaScript and Node.js memory leak diagnosis” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md: capture, comparison and retainer inspection workflow
  • references/common-leaks.md: catalog of common leaks

Good fit for

  • A Node.js server's memory keeps climbing and never comes back down
  • A page uses more and more memory as you navigate

Not for

    Tags

    • memory leak
    • heap
    • node.js
    • debugging

    About

    You say

    “My Node service runs out of memory after a few hours, help me find the leak.”

    Card for the “JavaScript and Node.js memory leak diagnosis” skill

    Skill published by chromedevtools under the Apache-2.0 license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to find and fix a memory leak in a JavaScript or Node.js application
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE11.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/common-leaks.md1.8 KB
    • SKILL.md4.2 KB

    Origin and licence

    Listed unmodified

    Author
    chromedevtools
    Source
    github.com/chromedevtools/chrome-devtools-mcp/tree/63170b11a2fa74d5ceea757194d7b25f3e145f68/skills/memory-leak-debugging
    Licence
    Apache-2.0

    Notice

    « memory-leak-debugging » (chromedevtools, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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