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控除証明書（生命保険料・地震保険料等）の画像を読み取り構造化データを返す. An agent skill from kazukinagata/shinkoku.
Install Reading Deduction Cert
$ npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install kazukinagata/shinkoku reading-deduction-cert --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/kazukinagata/shinkoku.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/reading-deduction-cert .claude/skills/reading-deduction-cert && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "reading-deduction-cert" agent skill from https://github.com/kazukinagata/shinkoku/tree/main/skills/reading-deduction-cert into .claude/skills/reading-deduction-cert/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reading-deduction-cert", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/kazukinagata/shinkoku/tree/main/skills/reading-deduction-certType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install kazukinagata/shinkoku reading-deduction-cert --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/kazukinagata/shinkoku.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/reading-deduction-cert .agents/skills/reading-deduction-cert && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "reading-deduction-cert" agent skill from https://github.com/kazukinagata/shinkoku/tree/main/skills/reading-deduction-cert into .agents/skills/reading-deduction-cert/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reading-deduction-cert", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install kazukinagata/shinkoku reading-deduction-cert --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/kazukinagata/shinkoku.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/reading-deduction-cert .cursor/skills/reading-deduction-cert && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "reading-deduction-cert" agent skill from https://github.com/kazukinagata/shinkoku/tree/main/skills/reading-deduction-cert into .cursor/skills/reading-deduction-cert/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reading-deduction-cert", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/kazukinagata/shinkoku.git --path skills/reading-deduction-cert--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install kazukinagata/shinkoku reading-deduction-cert --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/kazukinagata/shinkoku.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/reading-deduction-cert .gemini/skills/reading-deduction-cert && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "reading-deduction-cert" agent skill from https://github.com/kazukinagata/shinkoku/tree/main/skills/reading-deduction-cert into .gemini/skills/reading-deduction-cert/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reading-deduction-cert", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install kazukinagata/shinkoku reading-deduction-certInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/kazukinagata/shinkoku.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/reading-deduction-cert .github/skills/reading-deduction-cert && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "reading-deduction-cert" agent skill from https://github.com/kazukinagata/shinkoku/tree/main/skills/reading-deduction-cert into .github/skills/reading-deduction-cert/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reading-deduction-cert", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install kazukinagata/shinkoku reading-deduction-cert --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/kazukinagata/shinkoku.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/reading-deduction-cert .opencode/skills/reading-deduction-cert && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "reading-deduction-cert" agent skill from https://github.com/kazukinagata/shinkoku/tree/main/skills/reading-deduction-cert into .opencode/skills/reading-deduction-cert/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "reading-deduction-cert", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
reading-deduction-cert- GitHub stars
- 365
- Token cost
- ~608 tokens
- SKILL.md length
- 104 words
- Files
- 2
- Skills in repo
- 24
- Repo updated
- First seen
- Licence
- MIT
At a glance
控除証明書（生命保険料・地震保険料等）の画像を読み取り構造化データを返す. An agent skill from kazukinagata/shinkoku.
- Works in 3 steps: shinkoku pdf extract-text --file-path… → 抽出テキストに必要な情報（保険料額・証明額等）が含まれていれば、テキストから構造化… → テキストが不十分（スキャン PDF 等）の場合は shinkoku pdf…
- Documents & Office work in your project
- SKILL.md covers PDF ファイルの場合, 画像読み取り方法, 基本ルール and 対象書類, plus 2 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Reading Deduction Cert is an agent skill from kazukinagata/shinkoku. 控除証明書（生命保険料・地震保険料等）の画像を読み取り構造化データを返す。 他のスキルから呼び出されるほか、直接ユーザーが呼び出すことも可能。
Its SKILL.md is about 610 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `README.md`).
It sits in Documents & Office. The repository describes itself as: 確定申告自動化 AI エージェントプラグイン — 帳簿管理から e-Tax 入力代行まで. The licence is MIT.
When your agent uses it
- Documents & Office work in your project
Example prompts
- “/reading-deduction-cert”
Workflow steps
3 steps, taken from the first numbered list in SKILL.md.
- shinkoku pdf extract-text --file-path を実行する
- 抽出テキストに必要な情報（保険料額・証明額等）が含まれていれば、テキストから構造化データを生成する
- テキストが不十分（スキャン PDF 等）の場合は shinkoku pdf to-image --file-path --output-dir で PNG に変換し、以下の画像読み取りフローに進む
What it can do on your machine
Read from SKILL.md and the folder at commit 607574d. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are json).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Reading Deduction Cert loads about 608 tokens when it runs. Until then it costs about 24 tokens; SKILL.md has 104 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from kazukinagata/shinkoku at commit 607574d, republished under its MIT licence (© kazukinagata). 104 words, ~608 tokens.
Download SKILL.mdSave it as
.claude/skills/reading-deduction-cert/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- reading-deduction-cert
- description
- 控除証明書（生命保険料・地震保険料等）の画像を読み取り構造化データを返す。 他のスキルから呼び出されるほか、直接ユーザーが呼び出すことも可能。
控除証明書 画像読み取り
控除証明書（生命保険料控除証明書、地震保険料控除証明書、社会保険料控除証明書等）の画像を読み取り、構造化データとして返すスキル。
PDF ファイルの場合
ファイルが PDF（.pdf）の場合、画像 OCR の前にテキスト抽出を試みる。
shinkoku pdf extract-text --file-path <path>を実行する- 抽出テキストに必要な情報（保険料額・証明額等）が含まれていれば、テキストから構造化データを生成する
- テキストが不十分（スキャン PDF 等）の場合は
shinkoku pdf to-image --file-path <path> --output-dir <dir>で PNG に変換し、以下の画像読み取りフローに進む
画像読み取り方法
推奨: デュアル検証（並列2コンテキスト）
精度を高めるため、同じ画像を2つの独立したコンテキストで並列に読み取り、結果を照合する。
2つの独立した読み取りを実行する: サブエージェントが使える環境では、2つのサブエージェントを並列で起動し、それぞれ独立に画像を読み取る。 各サブエージェントには以下の「基本ルール」と「出力フォーマット」をプロンプトとして渡し、画像ファイルパスを指定する。
結果照合: 両方の読み取り結果から主要フィールド（金額等）を比較する。
一致の場合: そのまま採用。「2つの独立した読み取りで結果が一致しました」と報告する。
不一致の場合: ユーザーに元画像パスと両方の結果を提示し、正しい方を選択してもらう:
- 差異のあるフィールドを明示する
- A を採用 / B を採用 / 手動入力 の3択を提示する
フォールバック（サブエージェント非対応の場合）
サブエージェントが利用できない環境では、以下の手順で読み取る:
- 画像ファイルを直接 Read ツールで読み取る
- 以下の「基本ルール」と「出力フォーマット」に従ってデータを抽出する
- 抽出結果をユーザーに提示し、必ず目視確認を依頼する
⚠ デュアル検証が利用できないため、必ずユーザーに目視確認を依頼してください。
基本ルール
- 画像ファイルは Read ツールで読み取る（Claude Vision が自動的に画像を認識する）
- 金額は必ず int（円単位の整数）で返す。カンマや「円」は除去する
- 日付は YYYY-MM-DD 形式で返す
- 和暦は西暦に変換する（令和7年 → 2025、令和6年 → 2024、平成31年 → 2019）
- 読み取れないフィールドは UNKNOWN（文字列）または 0（金額）とする
対象書類
- 生命保険料控除証明書
- 地震保険料控除証明書
- 社会保険料（国民年金保険料）控除証明書
- 小規模企業共済等掛金払込証明書（iDeCo含む）
出力フォーマット
JSON オブジェクトとして返す。金額は必ず int（円単位の整数）とする。
生命保険料控除証明書
{
"certificate_type": "life_insurance",
"policy_type": "新制度 or 旧制度",
"category": "一般 or 介護医療 or 個人年金",
"company_name": "保険会社名",
"policy_number": "証券番号",
"annual_premium": 120000,
"dividend": 0
}地震保険料控除証明書
{
"certificate_type": "earthquake_insurance",
"company_name": "保険会社名",
"policy_number": "証券番号",
"annual_premium": 50000,
"is_old_long_term": false
}社会保険料控除証明書
{
"certificate_type": "social_insurance",
"insurance_type": "national_pension",
"annual_premium": 200000,
"period": "対象期間"
}小規模企業共済等掛金払込証明書
{
"certificate_type": "small_business_mutual_aid",
"sub_type": "ideco or small_business or disability",
"annual_contribution": 276000
}抽出のポイント
- 書類の種別（生命保険料/地震保険料/社会保険料/小規模企業共済等）を最初に判定する
- 生命保険料控除は新旧制度の区別と、3区分（一般/介護医療/個人年金）の分類を確認する
- 地震保険料控除は旧長期損害保険かどうかの区別を確認する
- 金額は「証明額」「申告額」が異なる場合、「申告額」を使用する
- 保険会社名・証券番号は確認用に抽出する
© kazukinagata, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 1 other file in skills/reading-deduction-cert of kazukinagata/shinkoku.
- SKILL.md
- README.md
Open the folder on GitHubat commit 607574d
Compare with similar skills
Reading Deduction Cert next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Reading Deduction Cert this skillkazukinagata/shinkoku | 365 | — | ~608 | Automated safety check: Pass | MIT | |
| Markdown Article FormatterJimLiu/baoyu-skills | 27k | 6 repos | ~3.5k | Automated safety check: Pass | MIT | |
| MarkitdownImCa0/just-laws | 781 | 14 repos | ~3.2k | Automated safety check: Notes | MIT | |
| Obsidian MarkdownAtmosphere/atmosphere | 3.8k | 20 repos | ~1.3k | Automated safety check: Pass | Apache-2.0 | |
| DOCXrvdbreemen/OTGW-firmware | 207 | 33 repos | ~4.3k | Automated safety check: Pass | Proprietary | |
| Word Document Reader and WriterHKUDS/DeepTutor | 41k | — | ~2.5k | Automated safety check: Pass | Apache-2.0 |
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Related
Categories
Questions about Reading Deduction Cert
What does Reading Deduction Cert do?
控除証明書（生命保険料・地震保険料等）の画像を読み取り構造化データを返す. An agent skill from kazukinagata/shinkoku. Reading Deduction Cert is an agent skill from kazukinagata/shinkoku.
When should I use Reading Deduction Cert?
Reading Deduction Cert fits situations like: documents & Office work in your project.
How do I install Reading Deduction Cert in Claude Code?
Run `npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a claude-code`. Or copy the skill folder (skills/reading-deduction-cert in kazukinagata/shinkoku) into .claude/skills/reading-deduction-cert in your project. Claude Code loads it when a task matches its description.
How do I install Reading Deduction Cert in Codex?
Run `npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a codex`. Or copy the skill folder (skills/reading-deduction-cert in kazukinagata/shinkoku) into .agents/skills/reading-deduction-cert in your project. Codex loads it when a task matches its description.
Can I use Reading Deduction Cert in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add kazukinagata/shinkoku --skill reading-deduction-cert -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/reading-deduction-cert, .gemini/skills/reading-deduction-cert, .github/skills/reading-deduction-cert and .opencode/skills/reading-deduction-cert in your project.
What does Reading Deduction Cert need to run?
SKILL.md names no scripts, command-line tools or credentials: Reading Deduction Cert is instructions for the agent only.
Does Reading Deduction Cert access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Reading Deduction Cert safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Reading Deduction Cert use?
Reading Deduction Cert is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Reading Deduction Cert use?
About 608 tokens (SKILL.md is roughly 2.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Reading Deduction Cert?
Skills that share tags, products or a category with Reading Deduction Cert: Markdown Article Formatter (JimLiu/baoyu-skills, 27k stars), Markitdown (ImCa0/just-laws, 781 stars), Obsidian Markdown (Atmosphere/atmosphere, 3.8k stars) and DOCX (rvdbreemen/OTGW-firmware, 207 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Reading Deduction Cert?
kazukinagata (a GitHub user) maintains it in kazukinagata/shinkoku, which has 365 GitHub stars. The repository holds 24 skills in this directory. The repository was last updated on September 9, 2026.
Source: kazukinagata/shinkoku on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.