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+# 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
+
+| Priority | Category | Impact | Prefix |
+|----------|----------|--------|--------|
+| 1 | Query Performance | CRITICAL | `query-` |
+| 2 | Connection Management | CRITICAL | `conn-` |
+| 3 | Security & RLS | CRITICAL | `security-` |
+| 4 | Schema Design | HIGH | `schema-` |
+| 5 | Concurrency & Locking | MEDIUM-HIGH | `lock-` |
+| 6 | Data Access Patterns | MEDIUM | `data-` |
+| 7 | Monitoring & Diagnostics | LOW-MEDIUM | `monitor-` |
+| 8 | Advanced Features | LOW | `advanced-` |
+
+## 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
+
+- https://www.postgresql.org/docs/current/
+- https://supabase.com/docs
+- https://wiki.postgresql.org/wiki/Performance_Optimization
+- https://supabase.com/docs/guides/database/overview
+- https://supabase.com/docs/guides/auth/row-level-security