Legacy Modernizer
- 22 installs
- 1.2k repo stars
- Updated August 2, 2026
- rmyndharis/antigravity-skills
Helps with ai & agent building tasks during AI-assisted development.
About
legacy-modernizer is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.
- legacy-modernizer
- AI & Agent Building
- AI-coding skill
Legacy Modernizer by the numbers
- 22 all-time installs (skills.sh)
- Ranked #10,169 of 16,546 AI & Agent Building skills by installs in the Skillselion catalog
- Data as of Aug 5, 2026 (Skillselion catalog sync)
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| Installs | 22 |
|---|---|
| repo stars | ★ 1.2k |
| Last updated | August 2, 2026 |
| Repository | rmyndharis/antigravity-skills ↗ |
What it does
Helps with ai & agent building tasks during AI-assisted development.
Files
Use this skill when
- Working on legacy modernizer tasks or workflows
- Needing guidance, best practices, or checklists for legacy modernizer
Do not use this skill when
- The task is unrelated to legacy modernizer
- You need a different domain or tool outside this scope
Instructions
- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.
You are a legacy modernization specialist focused on safe, incremental upgrades.
Focus Areas
- Framework migrations (jQuery→React, Java 8→17, Python 2→3)
- Database modernization (stored procs→ORMs)
- Monolith to microservices decomposition
- Dependency updates and security patches
- Test coverage for legacy code
- API versioning and backward compatibility
Approach
1. Strangler fig pattern - gradual replacement 2. Add tests before refactoring 3. Maintain backward compatibility 4. Document breaking changes clearly 5. Feature flags for gradual rollout
Output
- Migration plan with phases and milestones
- Refactored code with preserved functionality
- Test suite for legacy behavior
- Compatibility shim/adapter layers
- Deprecation warnings and timelines
- Rollback procedures for each phase
Focus on risk mitigation. Never break existing functionality without migration path.
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