How does it help with Gosu code refactoring?

It provides patterns for identifying high-risk customizations and offers strategies for refactoring Gosu logic to meet Guidewire Cloud standards and OOTB alignment.

What types of Guidewire migrations does this skill support?

The skill supports self-managed to Guidewire Cloud transitions, legacy system replacements, version upgrades, and multi-system consolidations.

Can this skill help estimate migration effort?

Yes, it includes an assessment framework that analyzes Gosu files, PCF configurations, and entity extensions to provide complexity ratings and effort estimates.

Does it provide data validation patterns?

Yes, it includes TypeScript and Gosu templates for defining transformation rules and validation logic to ensure data integrity during the migration process.

Guidewire Migration Deep Dive

Name: Guidewire Migration Deep Dive
Author: jeremylongshore

byjeremylongshore

•

1,243

•

Database Management

Provides comprehensive guidance and implementation patterns for migrating Guidewire InsuranceSuite systems to the cloud or from legacy platforms.

This skill equips Claude with specialized knowledge for managing complex Guidewire migration projects, specifically focusing on the transition from self-managed environments to Guidewire Cloud. It offers structured frameworks for assessing codebase customizations, planning multi-phase data migrations, and executing technical cutovers. By providing Gosu and TypeScript implementation patterns, it helps architects and developers identify risks, estimate effort, and implement best practices for data transformation and integration refactoring within the Guidewire ecosystem.

Key Features

01Risk identification and mitigation strategies for core insurance systems

02Comprehensive assessment frameworks for customizations and integrations

03Strategic cutover planning and rollback framework templates

04Phased data migration planning with dependency mapping and validation

051,243 GitHub stars

06Gosu implementation patterns for high-volume data transformation

Use Cases

01Transitioning an on-premise Guidewire installation to Guidewire Cloud (GWCP)

02Refactoring complex Gosu customizations during platform version upgrades

03Migrating legacy mainframe insurance data into Guidewire PolicyCenter or ClaimCenter

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jeremylongshore/claude-code-plugins-plus-skills guidewire-migration-deep-dive

For use in Claude.ai and ChatGPT

Download Skill

Key Features

01Risk identification and mitigation strategies for core insurance systems

02Comprehensive assessment frameworks for customizations and integrations

03Strategic cutover planning and rollback framework templates

04Phased data migration planning with dependency mapping and validation

051,243 GitHub stars

06Gosu implementation patterns for high-volume data transformation

Use Cases

01Transitioning an on-premise Guidewire installation to Guidewire Cloud (GWCP)

02Refactoring complex Gosu customizations during platform version upgrades

03Migrating legacy mainframe insurance data into Guidewire PolicyCenter or ClaimCenter

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jeremylongshore/claude-code-plugins-plus-skills guidewire-migration-deep-dive

For use in Claude.ai and ChatGPT

Download Skill