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code-modernization

anthropics/claude-plugins-officialPlugin

Guided modernization for any legacy codebase: start with /modernize, get an assessment, an interactive map, the business rules mined from the code, and a plan you approve, then an upgrade, a rewrite or a rebuild with independent proof that the new code behaves like the old. Includes security hardening, a one-page report, specialist agents, and an optional live progress pane (early access).

Not scannedPluginSource: Anthropic official marketplace
46,079 stars Updated today License Apache-2.0
79popular

Why this score

Stars21/35
Usage (forks)8/15
Upkeep25/25
License15/15
Owner history10/10

This repo hosts 54 add-ons, so its 46,079 stars are split between them (about 853 each) for scoring.

Popularity score: 79/100 from public GitHub signals only. It shows how widely used and maintained this is, not how well it works. Not included yet: the fake-star check. The security scan is shown separately and doesn't change the score. How we rank

Security

This listing doesn't point at a fixed version, so there's nothing stable for us to scan.

A scan lists patterns in the code. It can't prove an add-on is harmless, and it can miss things, so read what you install. How we scan

Alternatives

Other makers' add-ons that do the same job, next to this one.

NameScoreStarsContextUpdated
This onecode-modernization anthropics/claude-plugins-official · Plugin 79★ 46knot measuredtoday
ui5-modernization UI5/plugins-coding-agents · Plugin Same job: refactoring 61★ 45not measured2d ago
refactor josstei/maestro-orchestrate · Subagent Same job: refactoring 59★ 486≈87 in chat16d ago
refactor-cleaner drvoss/everything-copilot-cli · Subagent Same job: refactoring 53★ 49≈25 in chat1mo ago