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Speed up a Shiny for Python app v1.0.0

Use this resource to speed up a Shiny for Python app without changing what it does

New

  • 478 downloads
  • 154 likes
  • 237 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install shiny-python-performance-fixes

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 goes through the code looking for bad patterns, measures what slows the app down, then applies the cheapest fixes: remove unneeded work, reuse results, then speed up the rest. You get a faster app with its logic intact.

Mostly picked by

Updated November 2, 2026

Card for the “Speed up a Shiny for Python app” skill

Details

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

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What you get

  • SKILL.md: diagnostic approach, fixes ordered by cost and verification
  • references/: async tasks, caching, data loading, reactive graph and rendering

Good fit for

  • A Python app takes several seconds to react to each click
  • A prototype app must handle real traffic

Not for

    Tags

    • Shiny
    • Python
    • performance
    • optimization

    About

    You say

    “My Shiny for Python app freezes when two users filter at once: find the cause.”

    Card for the “Speed up a Shiny for Python app” skill

    Skill published by posit-dev 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 speed up a Shiny for Python app without changing what it does
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/async-tasks.md8.2 KB
    • references/caching.md6.8 KB
    • references/data-loading.md8.1 KB
    • references/diagnosis.md9.6 KB
    • references/reactive-graph.md13.3 KB
    • references/rendering-ui.md5.7 KB
    • SKILL.md14.1 KB

    Origin and licence

    Listed unmodified

    Author
    posit-dev
    Source
    github.com/posit-dev/skills/tree/d614ac4fc7f8862bba5e041ab6237113e02aa86a/shiny/shiny-py-optimize
    Licence
    MIT

    Notice

    « shiny-py-optimize » (posit-dev, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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