claude

code-modernization

Modernize and migrate legacy code with guided commands and agents.

0 on GitHubby AnthropicApache-2.0updated 4 months agodevelopment
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Plugin code-modernization from marketplace claude-skills in pankaj8121993-web/claude-skills. Commands read from the repo's manifest — 1 month ago.

What it installs

Slash commands (10)

  • /code-modernization:modernize-assess

    Full discovery & portfolio analysis of a legacy system — inventory, complexity, debt, relative scale

  • /code-modernization:modernize-brief

    Generate a phased Modernization Brief — the approved plan that transformation agents will execute against

  • /code-modernization:modernize-extract-rules

    Mine business logic from legacy code into testable, human-readable rule specifications

  • /code-modernization:modernize-harden

    Security vulnerability scan with a reviewable remediation patch — OWASP, CWE, CVE, secrets, injection

  • /code-modernization:modernize-map

    Dependency & topology mapping — call graphs, data lineage, batch flows, rendered as navigable diagrams

  • /code-modernization:modernize-preflight

    Environment readiness check — analysis tools, build toolchain, source completeness, telemetry access

  • /code-modernization:modernize-reimagine

    Multi-agent greenfield rebuild — extract specs from legacy, design AI-native, scaffold & validate with HITL

  • /code-modernization:modernize-status

    Where am I in the modernization workflow — artifact inventory, staleness, secrets hygiene, next step

  • /code-modernization:modernize-transform

    Transform one legacy module to the target stack — idiomatic rewrite with behavior-equivalence tests

  • /code-modernization:modernize-uplift

    Same-stack version uplift (e.g. .NET Framework 4.8 → .NET 8) — preserve the code, fix the version deltas, prove equivalence by running one test suite on both runtimes

Subagents (7)

  • architecture-critic

    Reviews proposed target architectures and transformed code against modern best practice. Adversarial — looks for over-engineering, missed requirements, and simpler alternatives.

  • business-rules-extractor

    Mines domain logic, calculations, validations, and policies from legacy code into testable Given/When/Then specifications. Use when you need to separate "what the business requires" from "how the old code happened to implement it.

  • legacy-analyst

    Deep-reads legacy codebases (COBOL, Java, .NET, Node, anything) to build structural and behavioral understanding. Use for discovery, dependency mapping, dead-code detection, and "what does this system actually do" questions.

  • scaffolder

    Scaffolds one service of a reimagined system from the approved architecture and spec — project skeleton, domain model, API stubs, executable acceptance tests. Write access is scoped to its own service directory under modernized/.

  • security-auditor

    Adversarial security reviewer — OWASP Top 10, CWE, dependency CVEs, secrets, injection. Use for security debt scanning and pre-modernization hardening.

  • test-engineer

    Writes characterization, contract, and equivalence tests that pin down legacy behavior so transformation can be proven correct. Use before any rewrite.

  • version-delta-analyst

    Identifies the breaking changes between two versions of the SAME stack (e.g. .NET Framework 4.8 → .NET 8, Java 8 → 17/21, Spring Boot 2 → 3) that actually bite a given codebase, and drives the ecosystem's migration tooling. Use for same-stack uplifts, where code is preserved and tweaked — not rewrit

View source on GitHub

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