Next.js DevTools vs legacy-modernizer
legacy-modernizer is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
Next.js DevTools is an MCP server published by kgprs. Marketplaces we read that list it: 1 (Docker MCP Catalog). legacy-modernizer is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. 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 |   Next.js DevTools | |
|---|---|---|
| Docker MCP Catalog | Listed Version: sha256:3064e349c266 Forks (GitHub): 1 Pulls (Docker Hub): 55 623 Stars (Docker Hub): 0 Stars (GitHub): 7 Not marked · First seen |
Not listed |
| Community marketplace barnburner121/claude-plugin-marketplace | Not listed | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 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 | Next.js DevTools | legacy-modernizerno longer listed · |
|---|---|---|
| Marketplaces that list it (differs) | 1 | 0 |
| Stars (GitHub) (differs) | 7 | 3 |
| Pulls (Docker Hub) (differs) | 55 623 | No figure on Docker Hub |
| Forks (GitHub) (differs) | 1 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (mcp/next-devtools-mcp) | On your machine (@barnburner121/plugin-hub-mcp) |
| Transport (differs) | stdio | Not stated |
| Tools it declares (differs) | 5 | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | Not a bundle | 2 |
| Licence (differs) | Not stated | MIT |
| Repository (differs) | github.com/kgprs/next-devtools-mcp | github.com/barnburner121/claude-plugin-marketplace |
| Changes in the last 7 days (differs) | 0 | 2 |
| First seen (differs) | 2026-10-11 | 2026-10-14 |
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.
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Migrate legacy code to modern frameworks with automated refactoring
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Refactor code following best practices and design patterns
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Review changed code for reuse, redundancy, and over-engineering, then apply fixes.
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Refactor code following best practices and design patterns
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Agent and skills for code simplification and refactoring to improve code quality while preserving functionality
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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
Next.js DevTools
next-devtools-mcp is a Model Context Protocol (MCP) server that provides Next.js development tools and utilities for AI coding assistants.
legacy-modernizer
Identify legacy patterns and suggest modern replacements
How to run each
Next.js DevTools As a local MCP server: Docker image
claude mcp add --transport stdio next-devtools-mcp -- docker run -i --rm mcp/next-devtools-mcplegacy-modernizer
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
The marketplaces of legacy-modernizer publish no list of tools, so we do not compare tools.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: Next.js DevTools · What it can do: legacy-modernizer · Compare two other plugins
Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Data comes from public marketplace files in GitHub repositories of their authors. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.