Plan Migration — Development skill for Claude Code
Break a legacy modernization or framework upgrade into verifiable hops.
How to install Plan Migration
Installs to ~/.claude/skills/toxiccoder777-agentic-claude-plan-migration/SKILL.md
mkdir -p ~/.claude/skills/toxiccoder777-agentic-claude-plan-migration && curl -fsSL https://raw.githubusercontent.com/toxiccoder777/agentic-claude/HEAD/commands/plan-migration.md -o ~/.claude/skills/toxiccoder777-agentic-claude-plan-migration/SKILL.md Restart Claude Code, or start a new session, for it to be picked up.
What Plan Migration does
description: Break a legacy modernization or framework upgrade into verifiable hops argument-hint:
Invoke the **migration-planner** agent to design a hop-by-hop plan for: $ARGUMENTS
The agent surveys the current codebase, proposes hop boundaries that are each independently verifiable (not just "compiles" but "provably equivalent to before, for the surface this hop touches"), and specifies which `verification-gate` stages check each hop. It does not write impleme
Alternatives in Development
- Wooyun Legacy — wooyun-legacy skill for claude code 1.6k ★
- Healing — Legacy System Healing 1.1k ★
- Break Default Aesthetic — break-default-aesthetic 1k ★
Full documentation available on GitHub
View Source RepositoryRelated Skills
Hatch3r Migration Plan
Create a phased migration plan for a major dependency or framework upgrade. Analyzes breaking changes and prod
Forge Init
Bootstrap FORGE into a new or existing project, upgrade legacy pre-Copier projects, or create new projects fro
Mise Migration
Migrate projects from legacy version managers (NVM, pyenv, rbenv, rustup) to mise with automated configuration
Legacy Review
Walk _legacy/ / items deciding Keep/Delete/Restore; --initial-migration scans repo at first adoption.
Wp Migration Review
WordPress migration and upgrade review - validates versioned upgrades, schema changes, dbDelta usage, backfill
Upgrade Controlflow
Execute the Angular 17 control flow migration converting structural directives to built-in control flow
Related Agents
Legacy Modernize
Orchestrate a comprehensive legacy system modernization using the strangler fig pattern, enabling gr... - wsho
SwiftUI Modernization
Migrates legacy SwiftUI and UIKit to current APIs — ObservableObject to @Observable, NavigationView to Navigat
Legacy
Legacy code modernization for Next.js 15/React 19 transformation