Automate Tax Deduction Processing with GPT-4 Receipt Analysis and Gmail Reporting — n8n ワークフロー

中 複雑度⏰ スケジュール14個のノード🏷️ Invoice Processing作成者：Cheng Siong Chin

概要

How It Works This workflow automates monthly tax processing by ingesting expense receipts alongside revenue data, extracting structured deduction details using GPT-4, and accurately matching expenses to their corresponding revenue periods. It retrieves receipts with built-in type validation, parses deduction information through OpenAI structured output extraction, and consolidates revenue records into a unified dataset. The system then intelligently aligns expenses with revenue timelines, calcul

使用ノード

HTTP RequestGmailCodeAI AgentOpenAI Chat ModelStructured Output Parser

ワークフロープレビュー

Prerequisites
Expense receipt repository; OpenAI API key; Gmail accou
Use Cases
Accountants automating receipt processing for multiple
Customization
Adjus
Setup Steps
1. Configure receipt storage source and OpenAI Chat Mod
2. Connect Gmail for report delivery and set up tax age
3. Define expense categories, revenue periods, and de
How It Works
This workflow automates monthly tax processing by inges
Calculate & Format
What: Matches expenses to revenue periods, calculates d
Why: Produces audit-ready documentation and maximizes l
Merge Revenue & Expenses
What: Consolidates expense and revenue datasets into al
Why: Enables accurate deduction-to-revenue matching for
Fetch & Validate Expenses
What: Retrieves expense receipts and validates file typ
Why: Ensures data quality and prevents processing error
modelparser
⚡
M
Monthly Tax Processing S…
W
Workflow Configuration
Fetch Expense Receipts
Fetch Revenue Data
C
Check Receipt File Type
E
Extract Receipt Data
Extract Deductible Categ…
OpenAI Chat Model
Structured Output Parser
M
Merge Revenue and Deduct…
Match Expenses to Revenu…
Calculate Tax Deductions
F
Format Tax Report
Send to Tax Agent
14 nodes14 edges

仕組み

  1. 1

    トリガー

    このワークフローは スケジュール トリガーで開始します、定義されたスケジュールで実行。

  2. 2

    処理

    データは 14 個のノードを流れます, connecting agent, code, extractfromfile。

  3. 3

    出力

    ワークフローは自動化を完了し、設定された宛先に結果を配信します。

ノード詳細 (14)

HT

HTTP Request

httpRequest

#1
GM

Gmail

gmail

#2
CO

Code

code

#3
AI

AI Agent

n8n-nodes-langchain.agent

#4
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#5
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#6

このワークフローのインポート方法

  1. 1右側の JSONをダウンロード ボタンをクリックしてワークフローファイルを保存します。
  2. 2n8nインスタンスを開き、ワークフロー → 新規 → ファイルからインポート に進みます。
  3. 3ダウンロードした automate-tax-deduction-processing-with-gpt-4-receipt-analysis-and-gmail-reporting ファイルを選択し、インポートをクリックします。
  4. 4各サービスノードの 認証情報（APIキー、OAuthなど）を設定します。
  5. 5ワークフローをテスト をクリックして動作確認し、有効化します。

またはn8nの JSONからインポート に直接貼り付け：

{ "name": "Automate Tax Deduction Processing with GPT-4 Receipt Analysis and Gmail Reporting", "nodes": [...], ...}

インテグレーション

agentcodeextractfromfilegmailhttprequestiflmchatopenaimergeoutputparserstructuredscheduletriggerset

このワークフローを取得

ワンクリックでダウンロード＆インポート

JSONをダウンロードn8n.ioで見る
ノード14
複雑度medium
トリガーscheduled
カテゴリInvoice Processing

作成者

Cheng Siong Chin

Cheng Siong Chin

@cschin

タグ

agentcodeextractfromfilegmailhttprequestiflmchatopenaimergeoutputparserstructuredscheduletrigger
⚡

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