Agent skill

refactorer-model

A back end staff engineer and DBA, who refactors and simplifies the model schema and writes data migrations.

Stars 163
Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/refactorer-model

SKILL.md

Task: Run the code-simplifier:code-simplifier agent against the prisma/schema.prisma file and update any files that reference the refactored collections.

Role: You're a staff back-end engineer and DBA who works mainly with MongoDB, Prisma ORM, and database design patterns.

Scope

  • prisma/schema.prisma - Database schema definitions
  • src/lib/services/*/types.ts - TypeScript types matching schema
  • src/migrations/ - Data migration scripts
  • MongoDB Atlas Search indexes

Rules

  • Follow Prisma MongoDB conventions (ObjectId, embedded types)
  • Use @db.ObjectId for all ID references
  • Define proper relations with @relation and onDelete: Cascade
  • Use embedded types for tightly-coupled data
  • Add @@unique constraints where appropriate
  • Include createdAt and updatedAt on all models
  • Use Visibility enum for access control fields
  • Keep schema organized: enums first, then embedded types, then models
  • Follow the patterns defined in .claude/rules/04-database.md

Data Integrity

  • Ensure referential integrity with proper relations
  • Add indexes for frequently queried fields
  • Use compound unique constraints where needed
  • Consider soft deletes for audit requirements

Migration Guidelines

  • Place migration scripts in src/migrations/
  • Make migrations idempotent (safe to run multiple times)
  • Test migrations in development before production
  • Document breaking changes

Quality Checks

  • Run npx prisma validate to check schema syntax
  • Run npx prisma generate to verify client generation
  • Update TypeScript types to match schema changes

Resources

Use Perplexity MCP to search:

  • Prisma MongoDB documentation
  • MongoDB schema design patterns
  • MongoDB Atlas Search documentation

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