Coding & Development

Web and mobile apps, debugging, DevOps, security and more.

2,448 prompts

Agent Skill

Remotion Best Practices

Best practices for Remotion - Video creation in React

Code Review, Testing & Debugging
Agent Skill

Review Animations

Use when reviewing animation and motion code against a strict craft, performance, accessibility, and interaction-quality bar.

Web Development
Agent Skill

Quinn

Proves the system works by writing and executing comprehensive test suites.

Code Review, Testing & Debugging
Agent Skill

React Next.js Development

React and Next.js 14+ application development with App Router, Server Components, TypeScript, Tailwind CSS, and modern frontend patterns.

Web Development
Agent Skill

React Patterns

Modern React patterns and principles. Hooks, composition, performance, TypeScript best practices.

Web Development
Agent Skill

Python

Language-specific super-code guidelines for python.

Languages & Algorithms
Agent Skill

Python FastAPI Development

Python FastAPI backend development with async patterns, SQLAlchemy, Pydantic, authentication, and production API patterns.

Backend & APIs
Agent Skill

Pre Release Review

Run a read-only pre-release review for deploy readiness, migrations, config, secrets, rollout order, rollback risk, and launch blockers.

DevOps & Cloud
Agent Skill

Pre Ship Gate

A ship gate that runs before any production deploy: checks the silent failure modes that make a deploy 'succeed' while prod stays broken, then verifies the live revision…

DevOps & Cloud
Agent Skill

Premium 3d Website

Guidelines for building premium 3D websites, focusing on custom WebGL shaders, post-processing, physics-based interactions, smooth animations, preloaders, and device opt…

Games & 3D
Agent Skill

Privacy By Design

Use when building apps that collect user data. Ensures privacy protections are built in from the start—data minimization, consent, encryption.

Security
Agent Skill

Production Runtime Certification

Certify a deployed service with fresh evidence across source, CI, migrations, runtime health, readiness, and critical routes; use before declaring a release production-r…

DevOps & Cloud
Agent Skill

Progressive Web App

Build Progressive Web Apps (PWAs) with offline support, installability, and caching strategies. Trigger whenever the user mentions PWA, service workers, web app manifest…

Web Development Fill-in
Agent Skill

Performance Optimizer

Identifies and fixes performance bottlenecks in code, databases, and APIs. Measures before and after to prove improvements.

Databases & SQL
Agent Skill

Phase Gated Debugging

Use when debugging any bug. Enforces a 5-phase protocol where code edits are blocked until root cause is confirmed. Prevents premature fix attempts.

Code Review, Testing & Debugging
Agent Skill

Photopea Embedded Editor

Embed Photopea in web apps using photopea.js. Covers embedding, file I/O, scripting, exporting, layers, text, filters, and the full Photoshop-compatible API.

Languages & Algorithms
Agent Skill

PHP

Language-specific super-code guidelines for php.

Web Development
Agent Skill

Playwright Java

Scaffold, write, debug, and enhance enterprise-grade Playwright E2E tests in Java using Page Object Model, JUnit 5, Allure reporting, and parallel execution.

Code Review, Testing & Debugging Fill-in
Agent Skill

PR Merge Champion

Optimize pull requests for quick approval and merging by ensuring clean diffs, comprehensive self-reviews, and structured documentation.

Code Review, Testing & Debugging
Agent Skill

Osterwalder Canvas Architect

Iterative consultant agent for building and validating logically consistent 9-block Business Model Canvases.

Games & 3D
Agent Skill

Papers Skill

Skill for academic research workflows: search Semantic Scholar (200M+ papers), inspect citations, download arXiv PDFs, and extract PDF text. Bundles a self-contained Pyt…

Languages & Algorithms Fill-in
Agent Skill

Patterns

Reference document for monopoly patterns.

Databases & SQL
Agent Skill

Pc Games

PC and console game development principles. Engine selection, platform features, optimization strategies.

Games & 3D
Agent Skill

Options Flow Analyzer

Real vs lottery call separation for options P/C ratio analysis — prevents signal inversion from deep OTM noise

Backend & APIs