This skill should be used when the user needs to calculate consumption tax (消費税) or determine their tax method (2割特例, 簡易課税, or 本則課税). Trigger phrases include: "消費税を計算", "消費税の申告", "消費税申告書", "2割特例", "簡易課税", "本則課税", "課税売上", "消費税額", "インボイス", "みなし仕入率", "課税仕入".
Quickly install consumption-tax AI skill to your development environment via command line
Source: kazukinagata/shinkoku.
課税売上・課税仕入から消費税額を計算するスキル。 assess スキルで消費税の課税事業者と判定され、settlement スキルで決算が完了していることを前提とする。 計算結果は /e-tax スキル（Claude in Chrome）で確定申告書等作成コーナーに入力する。
config の dbpath が ./shinkoku.db で CWD が /home/user/tax-2025/ の場合:
帳簿から課税売上高を税率区分別に集計する。ledger.py trial-balance や ledger.py search の結果から以下を算出する:
This skill should be used when the user needs to calculate consumption tax (消費税) or determine their tax method (2割特例, 簡易課税, or 本則課税). Trigger phrases include: "消費税を計算", "消費税の申告", "消費税申告書", "2割特例", "簡易課税", "本則課税", "課税売上", "消費税額", "インボイス", "みなし仕入率", "課税仕入". Source: kazukinagata/shinkoku.
Stable fields and commands for AI/search citations.
npx skills add https://github.com/kazukinagata/shinkoku --skill consumption-taxThis skill should be used when the user needs to calculate consumption tax (消費税) or determine their tax method (2割特例, 簡易課税, or 本則課税). Trigger phrases include: "消費税を計算", "消費税の申告", "消費税申告書", "2割特例", "簡易課税", "本則課税", "課税売上", "消費税額", "インボイス", "みなし仕入率", "課税仕入". Source: kazukinagata/shinkoku.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/kazukinagata/shinkoku --skill consumption-tax Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
https://github.com/kazukinagata/shinkoku