legacy-modernizer vs base44
legacy-modernizer is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
legacy-modernizer is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. base44 is a plugin bundle for AI coding tools published by base44. Marketplaces we read that list it: 4 (Claude Code: claude-plugins-official, Claude: knowledge-work-plugins, Claude Code: claude-plugins-community, Community GitHub marketplaces). As of our marketplace pass on 2026-10-25. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  base44 | |
|---|---|---|
| Community marketplace barnburner121/claude-plugin-marketplace | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 Not marked · First seen |
Not listed |
| Claude Code: claude-plugins-official | Not listed | Listed Version: 1.0.0-beta.1 Forks (GitHub): 20 Stars (GitHub): 91 Not marked · First seen |
| Claude: knowledge-work-plugins | Not listed | Listed Version: 1.0.0-beta.1 Forks (GitHub): 20 Stars (GitHub): 91 Not marked · First seen |
| Claude Code: claude-plugins-community | Not listed | Listed Version: 1.0.0-beta.1 Forks (GitHub): 20 Stars (GitHub): 91 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | legacy-modernizerno longer listed · | base44 |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 4 |
| Stars (GitHub) (differs) | 3 | 91 |
| Forks (GitHub) (differs) | 0 | 20 |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (@barnburner121/plugin-hub-mcp) | Installs as a plugin bundle |
| Transport | Not stated | Not stated |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 2 | 3 |
| Licence | MIT | MIT |
| Repository (differs) | github.com/barnburner121/claude-plugin-marketplace | github.com/base44/skills |
| Changes in the last 7 days (differs) | 2 | 0 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of legacy-modernizer
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
-
Migrate legacy code to modern frameworks with automated refactoring
-
Refactor code following best practices and design patterns
-
Review changed code for reuse, redundancy, and over-engineering, then apply fixes.
-
Refactor code following best practices and design patterns
-
Agent and skills for code simplification and refactoring to improve code quality while preserving functionality
-
Plugin description Code quality review plugin based on Frontend Fundamentals 4 principles (readability, predictability, cohesion, coupling). Supports React and Angular with…
What each says it does
legacy-modernizer
Identify legacy patterns and suggest modern replacements
base44
Build and deploy Base44 full-stack apps with CLI project management and JavaScript/TypeScript SDK development skills
How to run each
legacy-modernizer
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
base44 As a Claude Code plugin
/plugin install base44@claude-plugins-officialCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: legacy-modernizer · What it can do: base44 · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-official/blob/HEAD/.claude-plugin/marketplace.json. Data comes from the public marketplace file https://github.com/anthropics/knowledge-work-plugins/blob/HEAD/.claude-plugin/marketplace.json. Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.