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drizzle-db

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Query the project's database using Drizzle ORM. Use when the user asks about database contents, schema inspection, or data queries. Supports read-only mode for safety.

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How to use this skill

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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/drizzle-db/SKILL.md

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Drizzle DB Connector

Execute SQL queries against the project's database through Drizzle ORM.

When to use

  • User asks about database contents or data
  • Need to inspect database schema or tables
  • Querying data for analysis or debugging
  • Checking database state

How to use

Run queries using the query script located in this skill's directory:

node .claude/skills/drizzle-db/scripts/query.js "SELECT * FROM users LIMIT 10"

The script:

  • Connects to the database using the project's Drizzle configuration
  • Executes the SQL query
  • Returns results as JSON

Configuration

This skill is configured during installation:

  • dialect: Database type (sqlite/postgres/mysql)
  • databasePath: For SQLite - direct path to .db file (e.g., ./apps/web/data/app.db)
  • drizzleConfigPath: For Postgres/MySQL - path to drizzle.config.ts
  • readOnly: Whether to enforce read-only queries (default: true)

Configuration is stored in .claude/skills/drizzle-db/.config.json

Example config for SQLite:

{
  "dialect": "sqlite",
  "databasePath": "./apps/web/data/app.db",
  "readOnly": true
}

Read-only mode

When readOnly is true (default), the following operations are blocked:

  • INSERT
  • UPDATE
  • DELETE
  • DROP
  • ALTER
  • TRUNCATE
  • CREATE

Only SELECT queries are allowed for safety.

Examples

# Get all users
node .claude/skills/drizzle-db/scripts/query.js "SELECT * FROM users"

# Count records
node .claude/skills/drizzle-db/scripts/query.js "SELECT COUNT(*) FROM posts"

# Join tables
node .claude/skills/drizzle-db/scripts/query.js "SELECT u.name, p.title FROM users u JOIN posts p ON u.id = p.user_id"

# Get schema information
node .claude/skills/drizzle-db/scripts/query.js "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"

Limitations

  • Requires Node.js and the project's Drizzle setup
  • Read-only mode prevents data modifications by default
  • Queries timeout after 30 seconds
  • Results are limited to 1000 rows by default

Troubleshooting

If queries fail:

  1. Verify drizzle.config.ts path is correct in .config.json
  2. Ensure database connection credentials are set
  3. Check that Drizzle dependencies are installed: npm install drizzle-orm
  4. Verify database is accessible from current environment