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Diagnose a slow React interaction v1.0.0

Use this resource to diagnose a slow React interaction from a render trace

New

  • 338 downloads
  • 217 likes
  • 237 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install diagnose-react-runtime-slowness

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 defines the interaction to reproduce, records a trace with React Doctor, reads renders, long frames and timings, then links these measurements to the source code. You get a report that keeps only the conclusions the trace supports, and a before and after comparison.

Mostly picked by

Updated November 2, 2026

Card for the “Diagnose a slow React interaction” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: how to record the trace and read the report
  • SKILL.md: findings, limits and validation of a fix

Good fit for

  • An interaction in your React app is slow to respond
  • A component re-renders for no obvious reason

Not for

    Tags

    • react
    • performance
    • rendering
    • trace

    About

    You say

    “/performance: the list filter takes a second to respond, find the cause.”

    Card for the “Diagnose a slow React interaction” skill

    Skill published by millionco under the MIT 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 diagnose a slow React interaction from a render trace
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.7 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md4.9 KB

    Origin and licence

    Listed unmodified

    Author
    millionco
    Source
    github.com/millionco/react-doctor/tree/84ad0c8d0df7a3ab7d26946367fae3bc39c100d0/skills/performance
    Licence
    MIT

    Notice

    « performance » (millionco, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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