Agent skill
db-query-analyzer
Analyze database query performance with execution plans and index recommendations
Install this agent skill to your Project
npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/software-architecture/skills/db-query-analyzer
SKILL.md
Database Query Analyzer Skill
Overview
Analyzes database query performance including execution plan analysis, index recommendations, slow query identification, and optimization suggestions.
Capabilities
- Query execution plan analysis
- Index recommendation
- Slow query identification
- Query optimization suggestions
- Table scan detection
- Join optimization analysis
- Support for PostgreSQL, MySQL, SQL Server
Target Processes
- performance-optimization
- data-architecture-design
Input Schema
{
"type": "object",
"required": ["queries"],
"properties": {
"queries": {
"type": "array",
"items": {
"type": "object",
"properties": {
"sql": { "type": "string" },
"name": { "type": "string" }
}
}
},
"database": {
"type": "string",
"enum": ["postgresql", "mysql", "sqlserver", "oracle"],
"default": "postgresql"
},
"connectionString": {
"type": "string",
"description": "Database connection string (optional, for live analysis)"
},
"options": {
"type": "object",
"properties": {
"analyzeExplain": {
"type": "boolean",
"default": true
},
"suggestIndexes": {
"type": "boolean",
"default": true
},
"slowQueryThreshold": {
"type": "number",
"default": 1000,
"description": "Slow query threshold in milliseconds"
}
}
}
}
}
Output Schema
{
"type": "object",
"properties": {
"analyses": {
"type": "array",
"items": {
"type": "object",
"properties": {
"query": { "type": "string" },
"executionPlan": { "type": "object" },
"estimatedCost": { "type": "number" },
"issues": { "type": "array" },
"suggestions": { "type": "array" }
}
}
},
"indexRecommendations": {
"type": "array",
"items": {
"type": "object",
"properties": {
"table": { "type": "string" },
"columns": { "type": "array" },
"type": { "type": "string" },
"reason": { "type": "string" }
}
}
},
"slowQueries": {
"type": "array"
}
}
}
Usage Example
{
kind: 'skill',
skill: {
name: 'db-query-analyzer',
context: {
queries: [
{ sql: 'SELECT * FROM users WHERE email = ?', name: 'get-user-by-email' }
],
database: 'postgresql',
options: {
analyzeExplain: true,
suggestIndexes: true
}
}
}
}
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