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matthullmatthull/my-skills/skills/technical/supabase-postgres-best-practices/CLAUDE.md

my-skills / supabase-postgres-best-practices

CLAUDE.md0 starsChanged 55 days agoMITView on GitHub

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. 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) Read individual rule files for detailed explanations and SQL examples: Each rule file contains: - Brief…

We split this CLAUDE.md into the rules it gives an agent

2 rules. About 0 are common, 1 is distinctive, and 1 is very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈1

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 1

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Read SKILL.md for the main skill instructions

    line 15
  2. Distinctive:

    Read individual rule files for detailed explanations and SQL examples:

    line 46

≈ “Common” is an estimate: at least 1 in 5 of the 25,680 CLAUDE.md files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
CLAUDE.md

Supabase Postgres Best Practices

Structure

supabase-postgres-best-practices/
  SKILL.md       # Main skill file - read this first
  AGENTS.md      # This navigation guide
  CLAUDE.md      # Symlink to AGENTS.md
  references/    # Detailed reference files

Usage

  1. Read SKILL.md for the main skill instructions
  2. Browse references/ for detailed documentation on specific topics
  3. Reference files are loaded on-demand - read only what you need

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/schema-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

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