Supabase Postgres Best Practices: Install, Source and Security | FunnelSlayer

Supabase Postgres Best Practices

Published by supabase in agent-skills

No known issues435k installsBack-end Development

What this skill does

Provides prioritized guidance for PostgreSQL queries, schema design, security, connections, and performance. It helps agents make safer database changes and find ways to improve reliability and speed. Best for Developers and teams designing or maintaining Supabase or other PostgreSQL databases.

Add Supabase Postgres Best Practices to your agent

Review the source and files first. When you are ready, copy the prompt instruction or use the CLI command supported by your environment.

Install with a prompt

Paste this into a compatible coding agent:

add this skill "supabase-postgres-best-practices" from https://github.com/supabase/agent-skills

Install with the CLI

Run this command in a controlled environment after reviewing the repository:

npx skills add https://github.com/supabase/agent-skills --skill supabase-postgres-best-practices

Skill instructions

Supabase Postgres Best Practices

Comprehensive performance optimization guide for Postgres, maintained by Supabase. Contains rules across 8 categories, prioritized by impact to guide automated query optimization and schema design.

When to Apply

Reference these guidelines when:

  • Writing SQL queries or designing schemas
  • Implementing indexes or query optimization
  • Reviewing database performance issues
  • Configuring connection pooling or scaling
  • Optimizing for Postgres-specific features
  • Working with Row-Level Security (RLS)

Rule Categories by Priority

PriorityCategoryImpactPrefix
1Query PerformanceCRITICALquery-
2Connection ManagementCRITICALconn-
3Security & RLSCRITICALsecurity-
4Schema DesignHIGHschema-
5Concurrency & LockingMEDIUM-HIGHlock-
6Data Access PatternsMEDIUMdata-
7Monitoring & DiagnosticsLOW-MEDIUMmonitor-
8Advanced FeaturesLOWadvanced-

How to Use

Read individual rule files for detailed explanations and SQL examples:

references/query-missing-indexes.md
references/query-partial-indexes.md
references/_sections.md

Each rule file contains:

  • Brief explanation of why it matters
  • Incorrect SQL example with explanation
  • Correct SQL example with explanation
  • Optional EXPLAIN output or metrics
  • Additional context and references
  • Supabase-specific notes (when applicable)

References

Files included

  • CHANGELOG.md
  • references/_contributing.md
  • references/_sections.md
  • references/_template.md
  • references/advanced-full-text-search.md
  • references/advanced-jsonb-indexing.md
  • references/conn-idle-timeout.md
  • references/conn-limits.md
  • references/conn-pooling.md
  • references/conn-prepared-statements.md
  • references/data-batch-inserts.md
  • references/data-n-plus-one.md
  • references/data-pagination.md
  • references/data-upsert.md
  • references/lock-advisory.md
  • references/lock-deadlock-prevention.md
  • references/lock-short-transactions.md
  • references/lock-skip-locked.md
  • references/monitor-explain-analyze.md
  • references/monitor-pg-stat-statements.md
  • references/monitor-vacuum-analyze.md
  • references/query-composite-indexes.md
  • references/query-covering-indexes.md
  • references/query-index-types.md
  • references/query-missing-indexes.md
  • references/query-partial-indexes.md
  • references/schema-constraints.md
  • references/schema-data-types.md
  • references/schema-foreign-key-indexes.md
  • references/schema-lowercase-identifiers.md
  • references/schema-partitioning.md
  • references/schema-primary-keys.md
  • references/security-privileges.md
  • references/security-rls-basics.md
  • references/security-rls-performance.md
  • SKILL.md

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