# Supabase Policy Guardrails

> Implement Supabase lint rules, policy enforcement, and automated guardrails. Use when setting up code quality rules for Supabase integrations, implementing pre-commit hooks, or configuring CI policy checks for Supabase best practices. Trigger with phrases like "supabase policy", "supabase lint", "supabase guardrails", "supabase best practices check", "supabase eslint".

- Skill: `tools-only/supabase-policy-guardrails` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds add tools-only/supabase-policy-guardrails`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tools-only/supabase-policy-guardrails/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Productivity
- License: MIT
- Author: tools-only (https://skillmd.com/u/tools-only)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/tools-only/supabase-policy-guardrails

---


# Supabase Policy Guardrails

## Prerequisites
- ESLint configured in project
- Pre-commit hooks infrastructure
- CI/CD pipeline with policy checks
- TypeScript for type enforcement

## Instructions

### Step 1: Create ESLint Rules
Implement custom lint rules for Supabase patterns.

### Step 2: Configure Pre-Commit Hooks
Set up hooks to catch issues before commit.

### Step 3: Add CI Policy Checks
Implement policy-as-code in CI pipeline.

### Step 4: Enable Runtime Guardrails
Add production safeguards for dangerous operations.

## Output
- ESLint plugin with Supabase rules
- Pre-commit hooks blocking secrets
- CI policy checks passing
- Runtime guardrails active

## Error Handling

See `{baseDir}/references/errors.md` for comprehensive error handling.

## Examples

See `{baseDir}/references/examples.md` for detailed examples.

## Resources
- [ESLint Plugin Development](https://eslint.org/docs/latest/extend/plugins)
- [Pre-commit Framework](https://pre-commit.com/)
- [Open Policy Agent](https://www.openpolicyagent.org/)