shinkoku
Automated Japanese tax filing from bookkeeping to e-Tax submission
All Skills in This Repository (19)
Pure Emerald Level Indicators
kazukinagatainvoice-system
Explain qualified invoice requirements, registration decisions, and transitional measures.
kazukinagatae-bookkeeping-compliance
Automate compliance checks for electronic bookkeeping against regulatory requirements.
kazukinagatareading-withholding
Extract structured withholding data from payslip images using multimodal OCR.
kazukinagatasubmit
Review tax return readiness and plan submission methods in the shinkoku workflow.
kazukinagatacapabilities
Summarize shinkoku capabilities, supported personas, and e-Tax limitations.
kazukinagatareading-invoice
Extract vendor, invoice number, date, totals, and line items from invoice images.
kazukinagatatax-advisor
Provide source-backed tax guidance for deductions and filing decisions.
kazukinagataconsumption-tax
Compute Japanese consumption tax and select the optimal filing method.
kazukinagatasetup
Automate shinkoku configuration and database initialization via interactive prompts.
kazukinagataincome-tax
Calculate income tax and deductions from settlement and withholding data.
kazukinagatareading-receipt
Extract structured data from receipt and donation receipt images.
kazukinagatasettlement
Automate year-end settlement tasks and generate financial statements.
Frequently Asked Questions
FAQPage SchemaHow to install shinkoku?▼
Run `npx skills add kazukinagata/shinkoku --all -g -y` in your terminal to install all skills globally. The setup skill will then install the required shinkoku CLI automatically.
What tax filings does shinkoku support?▼
It supports income tax and consumption tax returns for freelancers with blue-form filing, employees with side businesses, furusato nozei, medical expense deductions, housing loan credits, and crypto gains. Stock, FX, and real estate income are not covered.
Can shinkoku submit my return to e-Tax automatically?▼
Yes. The e-tax skill drives the NTA Tax Return Preparation Corner in your browser via Claude in Chrome, Antigravity, or Playwright, filling in all calculated values. You only handle the My Number Card QR authentication yourself.
Does shinkoku work with agents other than Claude Code?▼
Yes. All skills follow the open SKILL.md standard and run in Cursor, Windsurf, GitHub Copilot, Gemini CLI, Codex, and 40+ other agents. OCR receipt reading requires a multimodal model.
Do I need accounting knowledge to use shinkoku?▼
No. The agent guides you step by step from setup through document gathering, journal entry, tax calculation, and submission, asking for confirmation before registering anything.
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