Financial & Invoice Manager
Manages business finances including invoice tracking, Google Calendar time-syncing, and automated Japanese tax simulations.
This skill transforms Claude into a comprehensive financial assistant for freelancers and small businesses, specifically optimized for Japanese tax regulations. It allows users to register invoices from files, sync billable hours from Google Calendar via MCP, calculate real-time hourly rates, and generate detailed tax payment schedules. By integrating with Supabase, it provides a persistent database for tracking income, expenses, and project-based profitability, ensuring you stay on top of your fiscal health and tax obligations directly from your development environment.
Key Features
01Comprehensive Japanese tax simulation covering Income Tax, Inhabitant Tax, and Consumption Tax
02Real-time profitability metrics including gross profit and effective hourly rate per project
030 GitHub stars
04Smart Google Calendar synchronization to convert calendar events into billable time entries
05Persistent financial record-keeping powered by Supabase integration
06Automated invoice parsing from PDF and image files using OCR and LLM analysis
Use Cases
01Business owners looking to sync Google Calendar work logs directly into a financial database
02Sole proprietors in Japan seeking automated estimates for upcoming tax payments and filing schedules
03Freelancers needing to calculate their actual hourly rate across multiple client projects