Analyzing Query Performance

This skill empowers Claude to act as a database performance expert. By analyzing EXPLAIN plans and query metrics, Claude can pinpoint inefficiencies and recommend targeted improvements to database queries.

Databases Plugin marketplace

Install

Claude Code plugin
/plugin marketplace add jeremylongshore/claude-code-plugins-plus-skills
/plugin install query-performance-analyzer@claude-code-plugins-plus

Run these inside Claude Code. The skill comes with its plugin.

What this skill does

This skill enables Claude to analyze and optimize database query performance. It activates when the user discusses query performance issues, provides an EXPLAIN plan, or asks for optimization recommendations. The skill leverages the query-performance-analyzer plugin to interpret EXPLAIN plans, identify performance bottlenecks (e.g., slow queries, missing indexes), and suggest specific optimization strategies. It is useful for improving database query execution speed and resource utilization.

How it works

  1. Analyze Performance: The query-performance-analyzer plugin analyzes the provided information, identifying potential bottlenecks, such as full table scans, missing indexes, or inefficient join operations.
  2. Provide Recommendations: The plugin generates specific optimization recommendations, including suggesting new indexes, rewriting queries, or adjusting database configuration parameters.

When to use it

  • Analyze the EXPLAIN plan of a slow-running query.
  • Identify performance bottlenecks in a database query.
  • Obtain recommendations for optimizing database query performance.

Best practices

  • Describe the Problem: Clearly articulate the performance issue you're experiencing (e.g., slow query, high CPU usage).
  • Test Recommendations: After implementing the suggested optimizations, re-run the EXPLAIN plan to verify the improvements.

Details

Skill name
analyzing-query-performance
Plugin
query-performance-analyzer

FAQ

What does the Analyzing Query Performance skill do?

This skill enables Claude to analyze and optimize database query performance. It activates when the user discusses query performance issues, provides an EXPLAIN plan, or asks for optimization recommendations. The skill leverages the query-performance-analyzer plugin to interpret EXPLAIN plans, identify performance bottlenecks (e.g., slow queries, missing indexes), and suggest specific optimization strategies. It is useful for improving database query execution speed and resource utilization.

How do I install the Analyzing Query Performance skill?

Claude Code plugin: /plugin marketplace add jeremylongshore/claude-code-plugins-plus-skills then /plugin install query-performance-analyzer@claude-code-plugins-plus. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Related skills

000 Jeremy Content Consistency Validator

jeremylongshore/claude-code-plugins-plus-skills

Validates messaging consistency across website, GitHub repositories, and local documentation. Generates comprehensive read-only discrepancy reports showing where messaging conflicts or inconsistencies exist. Activates when user mentions "consistency check", "validate documentation", "check for mixed messaging", "audit content consistency", or before updating internal paperwork.

Writing & Content

001 Jeremy Taskwarrior Integration

jeremylongshore/claude-code-plugins-plus-skills

Enforces complete Taskwarrior integration protocol for ALL coding tasks. Activates automatically when user mentions "taskwarrior", "task warrior", "tw", or discusses task management. Decomposes all coding work into properly tracked Taskwarrior tasks with full lifecycle: task add → task start → implementation → task done. Integrates with Timewarrior for automatic time tracking.

Productivity & Notes

Adapting Transfer Learning Models

jeremylongshore/claude-code-plugins-plus-skills

This skill automates the adaptation of pre-trained machine learning models using transfer learning techniques. It is triggered when the user requests assistance with fine-tuning a model, adapting a pre-trained model to a new dataset, or performing transfer learning. It analyzes the user's requirements, generates code for adapting the model, includes data validation and error handling, provides performance metrics, and saves artifacts with documentation. Use this skill when you need to leverage existing models for new tasks or datasets, optimizing for performance and efficiency.

Learning & Education

Archiving Databases

jeremylongshore/claude-code-plugins-plus-skills

This skill automates database archival processes. It helps reduce primary database size by moving historical records to archive tables or cold storage solutions like S3, Azure Blob, or GCS. The plugin supports PostgreSQL and MySQL, implementing automated retention policies, compression, compliance tracking, and zero-downtime migration. Use this when the user mentions "database archival", "archive old database records", "retention policies", "cold storage", or "reduce database size." It is particularly useful for handling requests related to data lifecycle management and compliance requirements

Databases

Analyzing Database Indexes

jeremylongshore/claude-code-plugins-plus-skills

This skill uses the database-index-advisor plugin to analyze query patterns and recommend optimal database indexes. It identifies missing indexes to improve query performance and unused indexes that can be removed to save storage and improve write performance. Use this skill when the user asks to "analyze database indexes", "optimize slow queries", "find missing indexes", "remove unused indexes", or requests help with "database index optimization". The plugin analyzes database workloads, detects potential indexing issues, and provides actionable recommendations for indexing strategies.

Databases

Attach Db

duckdb/duckdb-skills

Attach a DuckDB database file for use with /duckdb-skills:query. Explores the schema (tables, columns, row counts) and writes a SQL state file so subsequent queries can restore this session automatically via duckdb -init.

DatabasesIn 1 list

Browse the most popular Claude skills, all databases skills, or write your own with the skills generator.