Database Expert
Quickly extracts, analyzes, and summarizes data from complex databases using advanced SQL queries and natural language understanding.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add duck4nh-database-expert npx -- -y @trustedskills/duck4nh-database-expert
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"duck4nh-database-expert": {
"command": "npx",
"args": [
"-y",
"@trustedskills/duck4nh-database-expert"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
This skill provides expert-level assistance with databases. It can generate SQL queries, analyze database schemas, and troubleshoot common database issues. The agent will be able to understand complex requests related to data extraction, manipulation, and optimization within a relational database environment.
When to use it
- You need help writing a complex SQL query for data analysis.
- You're troubleshooting an error message from your database server.
- You want to optimize the performance of a slow-running database query.
- You require assistance understanding and interpreting a database schema.
Key capabilities
- SQL Query Generation
- Database Schema Analysis
- Troubleshooting Database Errors
- Query Optimization
Example prompts
- "Write a SQL query to find all customers who placed an order in the last month."
- "Explain this error message: 'ORA-01017: invalid username/password; logon denied'."
- "How can I optimize this slow-running query: SELECT * FROM orders WHERE customer_id = 123?"
Tips & gotchas
The skill's effectiveness depends on providing clear and specific information about the database structure and desired outcome. It is designed for relational databases, so NoSQL or other non-relational systems may not be supported.
Tags
TrustedSkills Verification
Unlike other registries that point to live repositories, TrustedSkills pins every skill to a verified commit hash. This protects you from malicious updates — what you install today is exactly what was reviewed and verified.
Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
🌐 Community
Passed automated security scans.