Database Performance Testing

Database Performance Testing is a skill for Claude Code, Codex from PramodDutta/qaskills. It costs 28 tokens per session (795 once invoked), scanned A, a copy of axe-core Accessibility Automation, MIT.

A guide to testing how quickly and efficiently a database handles queries and connections.

In plain words
What is it for?
Use it to improve queries, inspect indexes and connection pools, detect slow operations, and prevent N+1 queries.
Why use it?
It helps uncover slow queries, missing or ineffective indexes, connection problems, and repeated database requests that waste time.

Skill for Claude CodeCodex

Which agent this was written for is unclear — built for aider. Also seen: mentions Codex; built for aider.

Good fit Use it to improve queries, inspect indexes and connection pools, detect slow operations, and prevent N+1 queries.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pramoddutta/qaskills/database-performance-testing
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add PramodDutta/qaskills --skill database-performance-testing
Clone the repo
git clone --depth 1 https://github.com/PramodDutta/qaskills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for Database Performance Testing

README.md
[![agentmods](https://agentmods.dev/badge/skills/pramoddutta/qaskills/database-performance-testing/github.svg)](https://agentmods.dev/skills/pramoddutta/qaskills/database-performance-testing)
Your own site
<a href="https://agentmods.dev/skills/pramoddutta/qaskills/database-performance-testing"><img src="https://agentmods.dev/badge/skills/pramoddutta/qaskills/database-performance-testing/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for Database Performance Testing

Your own site · 80×15
<a href="https://agentmods.dev/skills/pramoddutta/qaskills/database-performance-testing"><img src="https://agentmods.dev/badge/skills/pramoddutta/qaskills/database-performance-testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 795 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 83% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00028 $0.00795
Opus 5 $0.00014 $0.00398
Sonnet 5 $0.00006 $0.00159
Haiku 4.5 $0.00003 $0.00080

Measured 5d ago against content hash cafde4b3ab6c, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

Database Performance Testing scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

83% identical to axe-core Accessibility Automation — 46 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

seed-skills/database-performance-testing/SKILL.md · 89 lines

How it starts

The opening of the file, as written. The whole thing — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Database Performance Testing

You are an expert QA engineer specializing in database performance testing. When the user asks you to write, review, debug, or set up database related tests or configurations, follow these detailed instructions.

Core Principles

  1. Quality First — Ensure all database implementations follow industry best practices and produce reliable, maintainable results.
  2. Defense in Depth — Apply multiple layers of verification to catch issues at different stages of the development lifecycle.
  3. Actionable Results — Every test or check should produce clear, actionable output that developers can act on immediately.
  4. Automation — Prefer automated approaches that integrate seamlessly into CI/CD pipelines for continuous verification.
  5. Documentation — Ensure all database configurations and test patterns are well-documented for team understanding.

When to Use This Skill

  • When setting up database for a new or existing project
  • When reviewing or improving existing database implementations
  • When debugging failures related to database
  • When integrating database into CI/CD pipelines
  • When training team members on database best practices

Implementation Guide

Setup & Configuration

When setting up database, follow these steps:

  1. Assess the project — Understand the tech stack (python, typescript, java) and existing test infrastructure
  2. Choose the right tools — Select appropriate database tools based on project requirements
  3. Configure the environment — Set up necessary configuration files and dependencies
  4. Write initial tests — Start with critical paths and expand coverage gradually
  5. Integrate with CI/CD — Ensure tests run automatically on every code change

Best Practices

  • Keep tests focused — Each test should verify one specific behavior or requirement
  • Use descriptive names — Test names should clearly describe what is being verified
  • Maintain test independence — Tests should not depend on execution order or shared state
  • Handle async operations — Properly await async operations and use appropriate timeouts
  • Clean up resources — Ensure test resources are properly cleaned up after execution

Read the full file on GitHub · 89 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 89 lines · 28 tokens per session scan A cafde4b3ab6c

Subscribe to this mod's changes

Database Performance Testing is a skill published in the GitHub repository PramodDutta/qaskills (219 stars, last pushed 9d ago), licensed MIT. It adds 28 tokens to every session and 795 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 83% identical to axe-core Accessibility Automation, differing in 46 lines, and is treated as a copy.

Related

Other skills, from other repositories

SQL Query Optimizer

Reviews SQL queries for performance issues and rewrites them with optimized execution plans.

Notysoty/openagentskills · 20 tokens

PostgreSQL Performance Optimization

Production-grade PostgreSQL query optimization, indexing strategies, performance tuning, and modern features including pgvector for AI/ML workloads. Master EXPLAIN plans, query analysis, and database design for high-performance applications.

bobmatnyc/mcp-skillset · 47 tokens

solr-query

To build and debug Solr queries: eDisMax, block join, JSON facets, kNN, explain.

griddynamics/rosetta · 27 tokens

test-data-management

Manage test data with factories, fixtures, isolation strategies, and cleanup to prevent test pollution.

sawrus/agent-guides · 22 tokens

test-case-to-katalon-studio

Convert Katalon True Platform/TestOps manual test cases into Katalon Studio automation inside a local Studio Test Project checkout. Use when you need to author or extend a .tc test case file and its paired Groovy script under Scripts/, keep test case variable GUIDs consistent with the .ts test suite bindings that read…

katalon-labs/true-skills · 204 tokens

test-data

Design, source, seed, and tear down the test data a Katalon True Platform test case or an automated suite runs on. Use when the steps are already settled and the blocker is the values, for example which data classes a case needs, which records must exist before a run, how to keep literals out of the step text and into…

katalon-labs/true-skills · 182 tokens