legacy-modernizer - Modernize legacy systems incrementally without disrupting operations
Modernizes legacy systems using incremental migration strategies and technical debt reduction
Tags
Updated: 2026-02-23Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Assess system codebase and dependencies
- Plan incremental migration roadmap
- Build safety net with characterization tests
- Migrate incrementally using strangler fig pattern
- Validate changes with thorough testing
- Implement feature flags for rollouts
- Create monitoring and rollback procedures
Inputs
- Legacy codebase
- Technology stack information
- Business constraints documentation
- Existing integrations and APIs
- Production system access
Outputs
- Migration plan with phases
- Implementation code (facades, adapters)
- Test coverage documentation
- Monitoring setup configuration
- Assessment summary report
Requirements
- Access to legacy system
- Testing infrastructure
- Deployment capabilities
- Feature flag system
- Version control system
