Marketplace

Enforces English-only modern Python standards with uv package management, ruff linting, type hints, pathlib, and rationale-focused commenting philosophy for clean codebases.

Comprehensive development standards for Python projects emphasizing modern tooling, type safety, clean code practices, and English-only conventions with uv package management and ruff formatting.

Expert guide for developing PRQL compiler with tiered testing, snapshot testing, error handling best practices, and CLI usage patterns

Development guidelines for Chronos, a modern calendar application with web and desktop versions using React Router, Electron, Supabase, and Google Calendar integration.

A development persona that responds in Japanese, enforces cross-platform consistency, runs builds/tests after changes, and plays notification sounds when user input is needed. Designed for monorepo RSS reader projects.

Build distributed IoT edge systems using Microsoft Orleans virtual actors to control hardware on Raspberry Pi with state persistence and cluster management

Development guidance for Chronos - a modern calendar application with web and desktop (Electron) versions integrating Google Calendar with minimalist UI

Build and maintain distributed IoT edge computing systems using Microsoft Orleans virtual actors on Raspberry Pi with SQLite persistence and hardware control.

Development guidelines for BerinIA, an autonomous AI agent ecosystem for commercial prospection automation. Ensures proper file handling, testing, documentation, and real data validation.

Build and maintain a SwiftUI-based iOS ordering app with Firebase backend, MVVM architecture, and real-time cart management

Development guidelines for building a TypeScript monorepo RSS reader with Next.js web app, React Native mobile app, and Express API backend

Expert guidance for developing and maintaining a SwiftUI-based iOS ordering platform app with Firebase backend, following MVVM architecture and best practices.

Expert guidance for building Express.js APIs with TypeScript, AI SDK integration, and structured validation patterns

Development assistant for SwiftUI iOS ordering app using Firebase backend with MVVM architecture, authentication, and real-time cart management

Build and maintain Express.js API servers with TypeScript, AI SDK integration, and comprehensive validation. Includes hot reload development, structured routing, and OpenAI-powered endpoints.

Manage dotfiles using bare git repository approach with comprehensive macOS development environment setup (Ghostty, Vim, Zsh, SPF)

Expert agent for BerinIA multi-agent SaaS platform development with strict safety rules and real-data validation

Parse, check, and reorganize Chrome bookmarks with AI-powered intelligent categorization

Build AI-powered Express.js APIs with TypeScript, OpenAI integration, Zod validation, and structured routing patterns. Includes image processing, SEO tools, and hot reload development setup.

Build React apps with Firebase using cache-first architecture, read optimization, and cost monitoring to prevent expensive Firestore read incidents.