db-readonly

Use this skill for database read tasks only.

What this skill does

• Connect to PostgreSQL or MySQL using connection env vars
• Execute SELECT / WITH / EXPLAIN queries only
• Optionally save output to CSV/TSV/JSON
• Block risky SQL (INSERT, UPDATE, DELETE, DROP, ALTER, etc.)

Connection env vars

PostgreSQL

• PGHOST
• PGPORT (optional, default 5432)
• PGDATABASE
• PGUSER