Automate Travel Expense Extraction with OCR, Mistral AI and Supabase — n8n 工作流

中 复杂度⚡ 触发器13 个节点🏷️ Invoice Processing👁 9 次查看作者：DIGITAL BIZ TECH

概览

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

使用的节点

HTTP RequestSupabaseCodeAI AgentSimple MemoryCalculatorMistral Cloud Chat Model

工作流预览

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

工作原理

  1. 1

    触发器

    工作流由 触发器 触发器启动。

  2. 2

    处理

    数据流经 13 个节点, connecting agent, chattrigger, code。

  3. 3

    输出

    工作流完成自动化并将结果发送到配置的目标。

节点详情 (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

如何导入此工作流

  1. 1点击右侧 下载 JSON 按钮保存工作流文件。
  2. 2打开你的 n8n 实例，依次点击 工作流 → 新建 → 从文件导入。
  3. 3选择下载的 automate-travel-expense-extraction-with-ocr-mistral-ai-and-supabase 文件并点击导入。
  4. 4为每个服务节点配置 凭证（API 密钥、OAuth 等）。
  5. 5点击 测试工作流 验证一切正常，然后激活它。

或直接在 n8n → 从 JSON 导入 中粘贴：

{ "name": "Automate Travel Expense Extraction with OCR, Mistral AI and Supabase", "nodes": [...], ...}

集成

agentchattriggercodehttprequestiflmchatmistralcloudmemorybufferwindowmergesplitoutsupabasesupabasetooltoolcalculator

获取此工作流

一键下载并导入

下载 JSON在 n8n.io 上查看
节点13
复杂度medium
触发器trigger
查看次数9
分类Invoice Processing

创建者

DIGITAL BIZ TECH

DIGITAL BIZ TECH

@dbt

标签

agentchattriggercodehttprequestiflmchatmistralcloudmemorybufferwindowmergesplitoutsupabase
⚡

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