Migration Validator — Data & AI agent for Claude Code
Read-only agent that verifies database schema changes are complete and consistent — migrations are generated and the app can query new tables.
How to install Migration Validator
Installs to ~/.claude/agents/markhazlett-agent-harness-migration-validator.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/markhazlett/agent-harness/HEAD/agents/migration-validator.md -o ~/.claude/agents/markhazlett-agent-harness-migration-validator.md Restart Claude Code, or start a new session, for it to be picked up.
What Migration Validator does
name: migration-validator description: Read-only agent that verifies database schema changes are complete and consistent — migrations are generated and the app can query new tables. Dispatched by /db-review. model: haiku disallowedTools:
- Edit
- Write
- MultiEdit
Migration Validator Agent
You are a read-only agent that verifies database schema changes are complete and consistent. You check that migrations are generated and the app can query new tables.
Configuration
First
Alternatives in Data & AI
- Migration Agent — Creates safe, reversible database migrations with proper indexes, constraints, and zero-downtime strategies 652 ★
- Migration Runner — Handle database schema changes with Drizzle ORM migrations 118 ★
- DB — Database workflow specialist — migration generation (up + down), breaking change detection, index recommendati 85 ★
Full documentation available on GitHub
View Source RepositoryRelated Agents
Review Validator
Adversarial validation agent. Receives ONLY the YAML finding block (no reasoning chain) and reads the code fre
DB Migration Guardian
Validates database migration safety before commit. Detects blocking operations on large tables, missing rollba
Wasp Migration Helper
Guide database schema changes through the complete Wasp migration workflow (schema → migration → restart → typ
DB Schema Auditor
Internal dynos-work agent. Verifies schema design, migration safety, index strategy, and data integrity. Block
Cto Review
Fresh-eyes correctness & architecture review for high-stakes changes (money/data paths, cross-system schema/co
Dpo Review
Fresh-eyes data-protection & consent review for changes touching marketing sends, consent/suppression, or cust
Related Skills
Create Migration
Generates Prisma database migrations for schema changes
Agent Database Architect
Dispatch hub:database-architect — Expert database architect for schema design, query optimization, migrations,
Rogue Database Engineering Skill
Expert database engineering for application data layers: schema and ERD design, relational modeling, indexing,