supabase-data-handling

Implement Supabase PII handling, data retention, and GDPR/CCPA compliance patterns. Use when handling sensitive data, implementing data redaction, configuring retention policies, or ensuring compliance with privacy regulations for Supabase integrations. Trigger with phrases like "supabase data", "supabase PII", "supabase GDPR", "supabase data retention", "supabase privacy", "supabase CCPA".

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/testing/supabase-data-handling

SKILL.md

Supabase Data Handling

Overview

Handle sensitive data correctly when integrating with Supabase.

Prerequisites

Understanding of GDPR/CCPA requirements
Supabase SDK with data export capabilities
Database for audit logging
Scheduled job infrastructure for cleanup

Data Classification

Category	Examples	Handling
PII	Email, name, phone	Encrypt, minimize
Sensitive	API keys, tokens	Never log, rotate
Business	Usage metrics	Aggregate when possible
Public	Product names	Standard handling

PII Detection

typescript

const PII_PATTERNS = [
  { type: 'email', regex: /[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}/g },
  { type: 'phone', regex: /\b\d{3}[-.]?\d{3}[-.]?\d{4}\b/g },
  { type: 'ssn', regex: /\b\d{3}-\d{2}-\d{4}\b/g },
  { type: 'credit_card', regex: /\b\d{4}[- ]?\d{4}[- ]?\d{4}[- ]?\d{4}\b/g },
];

function detectPII(text: string): { type: string; match: string }[] {
  const findings: { type: string; match: string }[] = [];

  for (const pattern of PII_PATTERNS) {
    const matches = text.matchAll(pattern.regex);
    for (const match of matches) {

## Detailed Reference

See `{baseDir}/references/implementation.md` for complete data handling guide.