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Staged framework migration subagent v1.0.0

Use this resource to migrate an old framework in stages without breaking existing behavior

New

  • 261 downloads
  • 80 likes
  • 241 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install legacy-modernizer-migration-subagent

First time: connect the CLI with

npx --yes palatekit@latest login

A modernization specialist: framework migrations, monolith decomposition, dependency updates and backward compatibility, following the strangler fig pattern. Your main agent hands it a framework migration or technical debt reduction.

Mostly picked by

Updated November 2, 2026

Card for “Staged framework migration subagent”

Details

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

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What you get

  • The subagent file itself: migration phases and cautious approach
  • Adapter layers and rollback procedures

Good fit for

  • A jQuery application to move to a modern framework
  • A Python 2 project to port to Python 3

Not for

    Tags

    • migration
    • framework
    • modernization
    • rollback

    About

    You say

    “Migrate this jQuery page to React while keeping the current behavior.”

    Card for “Staged framework migration subagent”

    Subagent published by wshobson under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Copy the file into .claude/agents/ (project) or ~/.claude/agents/ (all your projects)
    2. Ask your agent to migrate an old framework in stages without breaking existing behavior, or call the subagent by name
    3. Review its work

    Content preview

    Files

    • legacy-modernizer-migration-subagent.md1.2 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB

    Origin and licence

    Listed unmodified

    Author
    wshobson
    Source
    github.com/wshobson/agents/blob/0874a27b17a22e2b7c2e2bcd725768e0803cad06/plugins/code-refactoring/agents/legacy-modernizer.md
    Licence
    MIT

    Notice

    « code-refactoring-legacy-modernizer » (wshobson, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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