# Jeremylongshore Claude Code Plugins Plus Skills Guidewire Upgrade Migration > Guidewire Upgrade Migration - Skill: `tomevault-io/jeremylongshore-claude-code-plugins-plus-skills-guidewire-up` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/jeremylongshore-claude-code-plugins-plus-skills-guidewire-up` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/jeremylongshore-claude-code-plugins-plus-skills-guidewire-up/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/jeremylongshore-claude-code-plugins-plus-skills-guidewire-up --- # Guidewire Upgrade Migration ## Overview Version upgrade: review release notes for breaking changes, run upgrade tool in Studio, merge configuration changes, test all Gosu customizations, validate API compatibility, promote through environments. Use GCC for cloud version management. For detailed implementation, see: [implementation guide](references/implementation-guide.md) ## Resources - [Guidewire Developer Portal](https://developer.guidewire.com/) - [Cloud API Reference](https://docs.guidewire.com/cloud/pc/202503/apiref/) - [Guidewire Cloud Console](https://gcc.guidewire.com) - [Gosu Language Guide](https://gosu-lang.github.io/) --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/jeremylongshore) — claim your Tome and manage your conversions.