# Data Isolation Principles

> High-level principles for isolating data between tenants.

- Skill: `tomkraaij/data-isolation-principles` (Agent Skill)
- Install (CLI): `npx skillmds@latest add tomkraaij/data-isolation-principles`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomkraaij/data-isolation-principles/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tomkraaij (https://skillmd.com/u/tomkraaij)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomkraaij/data-isolation-principles

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# Data Isolation Principles

Principles:
- Every query must be tenant-scoped.
- Every index should include tenantId.
- Encryption keys must be tenant-aware.