Automate Travel Expense Extraction with OCR, Mistral AI and Supabase — n8n ワークフロー

中 複雑度⚡ トリガー13個のノード🏷️ Invoice Processing👁 9回閲覧作成者：DIGITAL BIZ TECH

概要

Travel Reimbursement - OCR & Expense Extraction Workflow

Overview This is a lightweight n8n workflow that accepts chat input and uploaded receipts, runs OCR, stores parsed results in Supabase, and uses an AI agent to extract structured travel expense data and compute totals. Designed for zero retention operation and fast integration.

Workflow Structure Frontend:** Chat UI trigger that accepts text and file uploads. Preprocessing:** Binary normalization + per-file OCR request. Storage:** Store

使用ノード

HTTP RequestSupabaseCodeAI AgentSimple MemoryCalculatorMistral Cloud Chat Model

ワークフロープレビュー

OCR (ANY OCR API)
Sends multipart file to the configured OCR endpoint. Ex
Security & Retention
Follow zero-retention guidance. Encrypt credentials. Li
NORMALIZE binary file
Code node: picks the first binary key and returns `bina
Travel Reimbursement Agent (core)
Parses OCR into structured fields (vendor, category, da
STORE OCR OUTPUT (Supabase)
Binary Presence Check
IF node verifies presence of `files` in the incoming pa
Memory & Calculator
Memory retains short session context. Calculator perfor
Merge
Combines OCR results and non-file user input back into
Split Out (binary -> data)
Extracts the first binary object into `data` field.
Chat Trigger / UI
Receives user messages and optional uploads. `allowFile
Travel Reimbursement — Overview
How it works
This workflow accepts chat input and optional uploaded
tooltoolmemorymemorymodel
S
Split Out
M
Merge
S
Supabase Get
⚡
W
When chat message received
Simple Memory
Mistral Cloud Chat Model
Calculator1
C
CHECK IF BINARY FILE IS …
NORMALIZE binary file
OCR (ANY OCR API )
STORE OCR OUTPUT
Travel reimbursement agent
Simple Memory1
13 nodes13 edges

仕組み

  1. 1

    トリガー

    このワークフローは トリガー トリガーで開始します。

  2. 2

    処理

    データは 13 個のノードを流れます, connecting agent, chattrigger, code。

  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 (13)

HT

HTTP Request

httpRequest

#1
SU

Supabase

supabase

#2
CO

Code

code

#3
AI

AI Agent

n8n-nodes-langchain.agent

#4
SI

Simple Memory

n8n-nodes-langchain.memoryBufferWindow

#5
CA

Calculator

n8n-nodes-langchain.toolCalculator

#6
MI

Mistral Cloud Chat Model

n8n-nodes-langchain.lmChatMistralCloud

#7

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-travel-expense-extraction-with-ocr-mistral-ai-and-supabase 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 Travel Expense Extraction with OCR, Mistral AI and Supabase", "nodes": [...], ...}

インテグレーション

agentchattriggercodehttprequestiflmchatmistralcloudmemorybufferwindowmergesplitoutsupabasesupabasetooltoolcalculator

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13
複雑度medium
トリガーtrigger
閲覧数9
カテゴリInvoice Processing

作成者

DIGITAL BIZ TECH

DIGITAL BIZ TECH

@dbt

タグ

agentchattriggercodehttprequestiflmchatmistralcloudmemorybufferwindowmergesplitoutsupabase
⚡

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