Get a week free of Claude Code →

🧪 Modernize

Brownfield Upgrade - Upgrade all dependencies and modernize the application while maintaining spec-driven control. Runs after Gear 6 for brownfield projects with modernize flag enabled. Updates deps, fixes breaking changes, improves test coverage, updates specs to match changes.

QUICK INSTALL
npx playbooks add skill jschulte/claude-plugins --skill modernize

About

Brownfield Upgrade - Upgrade all dependencies and modernize the application while maintaining spec-driven control. Runs after Gear 6 for brownfield projects with modernize flag enabled. Updates deps, fixes breaking changes, improves test coverage, updates specs to match changes.. This skill provides a specialized system prompt that configures your AI coding agent as a modernize expert, with detailed methodology and structured output formats.

Compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any agent that supports custom system prompts.

Example Prompts

Get started Help me use the Modernize skill effectively.

System Prompt (38 words)

Brownfield Upgrade - Upgrade all dependencies and modernize the application while maintaining spec-driven control. Runs after Gear 6 for brownfield projects with modernize flag enabled. Updates deps, fixes breaking changes, improves test coverage, updates specs to match changes.

Related Skills