Database Query Analyzer Skill

SkillDatabases & data

Analyze database query performance with execution plans and index recommendations

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Details

Instructions available. Your AI can read the instructions. Execution depends on the setup they require.

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Add ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.

Database Query Analyzer SkillStart free

What this skill tells your AI

The instructions your AI receives, as published by a5c-ai/babysitter in library/specializations/software-architecture/skills/db-query-analyzer/SKILL.md and read by ahel’s review.

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
      }
    }
  }
}

Signals

GitHub stars: 2k
Forks: 112
Last commit: Sep 2026

Advanced

Item type: skill
Key: db-query-analyzer
Source: github.com/a5c-ai/babysitter

github.com/a5c-ai/babysitter