supabase-postgres-best-practices

Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.

1.14x

Quality

77%

Does it follow best practices?

Impact

96%

1.14x

Average score across 3 eval scenarios

Securityby

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./plugins/supabase/skills/supabase-postgres-best-practices/SKILL.md

The canonical home for this skill is supabase-postgres-best-practices in supabase/agent-skills

Evaluation results

100%

High-Throughput Job Queue and Connection Setup

Connection pooling and concurrency

Criteria

Without this skill

With this skill

Transaction pool mode

100%

Idle timeout configured

100%

Prepared statement fix

100%

SKIP LOCKED present

100%

FOR UPDATE in claim query

100%

Advisory lock usage

100%

Non-blocking advisory lock

100%

Short transaction scope

100%

Deadlock prevention ordering

80%

100%

Pool mode rationale

100%

36%

Multi-Tenant SaaS Database Schema

Schema design conventions

Criteria

Without this skill

With this skill

Identity PK strategy

100%

Timestamp type

100%

String type

75%

100%

Numeric for money

100%

Lowercase identifiers

100%

FK indexes present

100%

RLS enabled

100%

RLS policies defined

100%

Least-privilege role

100%

bigint for IDs

100%

90%

Optimize Slow Analytics Dashboard Queries

Query optimization patterns

Criteria

Without this skill

With this skill

Cursor pagination

100%

No OFFSET

100%

GIN index for JSONB

100%

JSONB index type choice

100%

N+1 batch loading

100%

Partial index for active orders

100%

Covering index or INCLUDE

EXPLAIN ANALYZE present

100%

EXPLAIN interpretation

100%

SQL comments explaining fixes

100%

Repository: openai/plugins
Path: plugins/supabase/skills/supabase-postgres-best-practices/SKILL.md
Commit: 1e28582

Evaluated: 5 months ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Multi-Tenant SaaS Database Schema Optimize Slow Analytics Dashboard Queries High-Throughput Job Queue and Connection Setup

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