This skill should be used when the user wants to file their tax return electronically via the 確定申告書等作成コーナー (NTA Tax Return Preparation Corner) using Claude in Chrome, Antigravity Browser Sub-Agent, or Playwright CLI (fallback). It guides the browser-based input of calculated tax data. Trigger phrases include: "e-Tax提出", "電子申告", "e-Taxで申告", "作成コーナーに入力", "確定申告書等作成コーナー", "作成コーナー", "申告書を提出".
Quickly install e-tax AI skill to your development environment via command line
Source: kazukinagata/shinkoku.
shinkoku で計算した確定申告データを、確定申告書等作成コーナー（https://www.keisan.nta.go.jp/）に Claude in Chrome を使ってブラウザ上で入力・提出するためのスキル。
| 対象環境 | Windows / macOS のネイティブ Chrome | | 前提 | Claude in Chrome 拡張機能がインストール済み | | 利点 | OS 検出の問題なし。追加設定不要 |
| 対象環境 | Windows / macOS / Linux（Antigravity IDE） | | 前提 | Antigravity IDE がインストール済みで browsersubagent ツールが利用可能 | | 利点 | ネイティブ Chrome を使用するため OS 偽装不要。Linux でも動作 |
This skill should be used when the user wants to file their tax return electronically via the 確定申告書等作成コーナー (NTA Tax Return Preparation Corner) using Claude in Chrome, Antigravity Browser Sub-Agent, or Playwright CLI (fallback). It guides the browser-based input of calculated tax data. Trigger phrases include: "e-Tax提出", "電子申告", "e-Taxで申告", "作成コーナーに入力", "確定申告書等作成コーナー", "作成コーナー", "申告書を提出". Source: kazukinagata/shinkoku.
Stable fields and commands for AI/search citations.
npx skills add https://github.com/kazukinagata/shinkoku --skill e-taxThis skill should be used when the user wants to file their tax return electronically via the 確定申告書等作成コーナー (NTA Tax Return Preparation Corner) using Claude in Chrome, Antigravity Browser Sub-Agent, or Playwright CLI (fallback). It guides the browser-based input of calculated tax data. Trigger phrases include: "e-Tax提出", "電子申告", "e-Taxで申告", "作成コーナーに入力", "確定申告書等作成コーナー", "作成コーナー", "申告書を提出". 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 e-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