app-optimizer

Analyze Python/FastAPI and JavaScript codebases for performance, security, and architecture.

1|Updated Dec 15, 2025
One-click install
npx skills add https://github.com/jokken79/YuKyuDATA-app1.0v --skill app-optimizer
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: app-optimizer
Source: https://github.com/jokken79/YuKyuDATA-app1.0v/tree/main/.claude/skills/app-optimizer
Command: npx skills add https://github.com/jokken79/YuKyuDATA-app1.0v --skill app-optimizer

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Optimizes full-stack web applications by analyzing performance, security, and architectural quality.

Core Features & Use Cases

  • Performance analysis for backend (Python/FastAPI) and frontend (JavaScript) to identify N+1 queries, slow renders, and large bundle loads.
  • Automatic security checks aligned with OWASP top risks, including JWT handling, secret exposure, and input validation.
  • Architectural guidance for refactors, modularization, and deployment patterns across APIs, services, and UI layers.
  • Use case: a mid-sized web app improves response times and reduces risk by running automated checks during CI.

Quick Start

Run the optimization workflow on a sample project to receive a prioritized action list and concrete refactoring steps.

Frequently Asked Questions about app-optimizer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect and fix N+1 queries in a FastAPI backend?

To detect and fix N+1 queries in a FastAPI backend, analyze your endpoint's database access patterns to identify redundant queries. The optimization process pinpoints these loop-based calls and provides concrete refactoring steps to batch fetch data, reducing response times.

What is the best way to check for JWT security issues and secret exposure in Python web apps?

The best way to check for JWT security issues and secret exposure in Python web apps is to run automated security checks aligned with OWASP top risks. This analysis inspects token handling, validates input, and enforces safe guardrails to prevent unauthorized access.

How do I reduce JavaScript code-bundle size and improve frontend render performance?

To reduce JavaScript code-bundle size and improve frontend render performance, analyze the UI layer for large bundle loads and slow renders. The optimization workflow identifies architectural bottlenecks and recommends modularization patterns to streamline client-side loading.

Can I use automated code optimization for a full-stack Python and JavaScript web app during CI?

Yes, you can use automated code optimization for a full-stack Python and JavaScript web app during CI. The workflow analyzes backend and frontend codebases, enforcing best practices across services and APIs to safely improve performance and reduce risk.

How do I get architectural guidance for refactoring APIs and modularizing services?

To get architectural guidance for refactoring APIs and modularizing services, run the optimization workflow on your full-stack application. It analyzes structural code quality across services and UI layers, outputting a prioritized action list with concrete deployment patterns.