Data migration validator

Skill a5c-ai/babysitter/library/specializations/code-migration-modernization/skills/data-migration-validator

Babysitter enforces obedience on agentic workforces and enables them to manage extremely complex tasks and workflows through deterministic, hallucination-free self-orchestration

Install

npx -y skills add a5c-ai/babysitter --skill data-migration-validator

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Validate data integrity during and after migration with comprehensive verification checks

SKILL.md

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Data Migration Validator Skill

Validates data integrity throughout the migration process with comprehensive verification checks and reconciliation reporting.

Purpose

Enable data validation for:

Row count validation
Checksum verification
Sample data comparison
Referential integrity checking
Business rule validation

Capabilities

1. Row Count Validation

Compare source/target counts
Track by table/partition
Identify discrepancies
Generate count reports

2. Checksum Verification

Calculate table checksums
Compare hash values
Identify data drift
Verify data consistency

3. Sample Data Comparison

Random sample selection
Field-by-field comparison
Statistical sampling
Confidence scoring

4. Referential Integrity Checking

Verify foreign keys
Check orphaned records
Validate relationships
Report violations

5. Business Rule Validation

Apply custom rules
Check data constraints
Verify transformations
Validate calculations

6. Reconciliation Reporting

Generate audit reports
Track discrepancies
Document exceptions
Provide sign-off reports

Tool Integrations

Tool	Purpose	Integration Method
Great Expectations	Data validation	Library
dbt tests	Transform validation	CLI
Custom SQL	Database checks	CLI
DataGrip	Manual verification	GUI
Apache Griffin	Data quality	API

Output Schema

{
  "validationId": "string",
  "timestamp": "ISO8601",
  "results": {
    "rowCounts": {
      "tables": [
        {
          "name": "string",
          "source": "number",
          "target": "number",
          "match": "boolean"
        }
      ]
    },
    "checksums": {
      "tables": [],
      "overall": "string"
    },
    "samples": {
      "checked": "number",
      "matched": "number",
      "discrepancies": []
    },
    "referentialIntegrity": {
      "valid": "boolean",
      "violations": []
    },
    "businessRules": {
      "passed": "number",
      "failed": "number",
      "failures": []
    }
  },
  "summary": {
    "status": "passed|failed|warning",
    "score": "number"
  }
}

Integration with Migration Processes

database-schema-migration: Post-migration validation
cloud-migration: Data validation

Related Skills

schema-comparator: Pre-migration comparison
etl-pipeline-builder: Migration execution

Related Agents

data-integrity-validator: Orchestrates validation
database-migration-orchestrator: Uses for verification