Quick Start
Required Accounts
To use GACHI.ai, you need the following accounts:
- Slack Account - Since GACHI.ai operates on Slack, you need a Slack workspace and account.
- OpenAI Account (API Key) - You need to create an account on the OpenAI website and obtain an API key. This API key will be entered during the initial setup of GACHI.ai.
Installation
Please install from the link below
[Note] If you are not logged into your Slack workspace, you will be redirected to the login screen. Alternatively, please create a workspace to install to and then click the install button again.
Initial Setup
After installation, you can easily set up in 3 simple steps:
1. Agree to Terms of Service
From the app's home screen, agree to GACHI.ai's Terms of Service and Privacy Policy.
2. Set Up OpenAI API Key
From the app's home screen, obtain an API key from your OpenAI account and enter it in the GACHI.ai settings screen. Credit balance is required for API usage.
3. Add GACHI.AI to Channels
Setup complete! Create expert channels or use part-timer tasks to maximize the power of AI.
Using the Interactive AI Partner
GACHI.AI is an interactive AI bot that operates in Slack. It engages in natural conversations with users like a partner, answering questions, discussing topics, and executing requested tasks.
Let's look at an example: A conversation begins when a user mentions GACHI.AI, and they discuss prime numbers. Note that without a mention, it's treated as a regular Slack thread.


You can use it not only in channels but also in DMs. In DMs, mentions are not necessary.
Specifically, it provides the following main functions:
- Standard generative AI capabilities in a conversational format
- Understanding of Slack thread history, enabling continuous conversations. You can resume conversations from months ago
- Document creation and conversion through conversation, as well as information gathering via web searches and site access
- Utilization of pre-built expert channels and part-timer tasks, leveraging specialized knowledge and executing various non-routine tasks using the latest information obtained from the web
You're not limited to specific use cases. Combined with your ideas, you can create various convenient tasks.
Setting Up and Using Expert Channels
You can set up AI specialized in legal, tax, finance, IT, customer support, and marketing fields in your preferred channels.

In channels where an expert is set, GACHI.AI will engage in conversations as a professional in that field, based on specialized knowledge and experience. From an expert's perspective, it can provide accurate advice and solutions.
Feel free to ask specific consultations or specialized questions about each field. It provides practical support based on real-world applications.


Note: The responses from AI, including expert AI functions, are for reference only. For important decisions, please consult with real experts.
Setup Method
- Select
Expert Channel
from the shortcut menu to display the expert channel settings screen. Alternatively, run the slash command/gachi-expert
- Set an expert for the listed channels and press the save button
- In each channel,
@GACHI.ai
becomes the expert you set. Try asking a question
How to Use Part-timer Tasks
Part-timer tasks are functions that collect necessary information from users based on pre-set prompts and execute specific business tasks.

Currently, the following part-timer tasks are available:
Task Name | Function |
---|---|
1. Data Extraction & Analysis | |
๐ Data Aggregator | Accurately extracts specific information (receipts, invoices, etc.) from documents or images. Extracts and organizes data from photos, text, Excel, and other documents. |
๐ฆ Simple Inventory Management | Automatically calculates inventory changes from delivery notes or sales slips. Tracks inventory status based on inbound and outbound data, and can output results as an Excel file. |
๐ Automatic Receipt Classification | Automatically extracts and classifies information from receipt photos. Identifies date, amount, content, etc., and can compile them into CSV or Excel. |
2. Useful Tools | |
๐ Document Expert | Thoroughly analyzes uploaded documents and answers questions about their content. Understands PDF/Word/Excel/PowerPoint documents and provides specialized explanations. |
๐ Translator | Translates text or files into other languages. Supports various formats such as PDF/Word/Excel/PowerPoint/HTML, and allows page-by-page translation specification. |
๐ก Task Prompt Generation | Automatically generates optimal prompts for tasks you want to execute. A support tool for making your instructions to AI more effective. |
๐ Discussion Summarizer | Summarizes key points of thread discussions, providing explanations and summaries. |
3. Data Conversion | |
๐ Document Conversion | Converts documents to other formats. Can also extract, reformat and convert specific content. |
๐ Convert CSV to Document | Converts CSV files to various formats (PDF/Excel/Word/PowerPoint/HTML). Formats data for better readability and applies formatting as needed. |
๐ HTML Email Generation | Converts text or Markdown to HTML email format. Easily creates formatted email content. |
4. Graphics | |
๐ Infographics Creation | Collects information about specified themes and automatically generates graphical materials. Creates infographics that visually communicate information in an easy-to-understand way. |
๐ธ Web Page Capture | Captures specified URL web pages and saves them as images. Easily records and shares website content. |
๐จ Illustration/Logo/Icon Creation | Generates illustrations, logos, and icons from text instructions. Supports various styles from colorful to simple, material design to realistic. |
5. Document Creation | |
๐ Quote Creation | Automatically generates quotes from text data. Can also use data from previous quotes or spreadsheet software. Creates quotes from company information and product lists. |
๐ Invoice Creation | Automatically generates invoices from text data. Creates invoices by simply specifying company information, items, and amounts. Payment terms and notes can be freely configured. (Japanese version) |
๐ Delivery Note Creation | Generates delivery notes based on delivery data. Can also automatically search and complement customer information. Creates accurate delivery notes from product lists, delivery locations, and other information. (Japanese version) |
๐ Receipt Creation | Automatically generates receipts according to receipt requirements. Can also create in bulk from CSV or Excel. Easily creates receipts including tax-inclusive amounts and descriptions. (Japanese version) |
๐ Purchase Order Creation | Generates purchase orders according to specified requirements. Can reuse data from previous purchase orders. Creates formal purchase orders including business partner information and order details. (Japanese version) |
๐ HTML Template Generation | Generates HTML templates for invoices, quotes, minutes, etc. Can include company logos and seals. Creates beautiful, customizable HTML templates. |
Execution Method
- Select
Part-timer
from the shortcut menu to display the part-timer task screen. Alternatively, run the slash command/gachi-parttimer-task
- Part-timer tasks will be listed. Press the [Execute] button for the task you want to run
@GACHI.ai
will post to execute the selected task. Reply with specific instructions
Document Creation and Mutual Conversion
The following document formats are supported for creation and conversion between formats:
Document Type | Creation | Convert From | Convert To |
---|---|---|---|
- | Word(docx) Excel(xlsx) PowerPoint(pptx) HTML+CSS Markdown |
Word(docx) Image |
|
Word(docx) | โ(Note 1) | Markdown | PDF Image |
Excel(xlsx) | โ(Note 1) | CSV | PDF Image |
PowerPoint(pptx) | โ(Note 1) | - | PDF Image |
Image(jpeg/png) | โ(Note 2) | Word(docx) Excel(xlsx) PowerPoint(pptx) HTML+CSS Markdown |
- |
HTML+CSS | โ(Note 2) | Markdown Text |
PDF Word(docx) Image |
Markdown | โ(Note 2) | Text | PDF Word(docx) HTML+CSS |
CSV | โ(Note 2) | Excel(xlsx) | Excel(xlsx) |
Text | โ(Note 2) | Word(docx) Excel(xlsx) PowerPoint(pptx) HTML+CSS |
PDF Word(docx) Excel(xlsx) PowerPoint(pptx) HTML+CSS Markdown |
(Note 1) Not all features are supported
(Note 2) Includes standard functions in generative AI. These creations and conversions may change in the future
Settings
You can configure admin users, OpenAI API Key, OpenAI API options, and more.
OpenAI API Key | Required. Please set the API Key to execute OpenAI API. You can obtain the API Key from the OpenAI site |
Admin User | Specify the admin user for GACHI.AI. The default is the user who installed it. Initial setup, expert channel settings, settings screen display, and status screen display are only allowed for admin users |
OpenAI Model | Specify the AI model to use with the OpenAI API. Some models may not be available depending on your OpenAI subscription contract. Currently, gpt-4o is recommended. For detailed explanations of models, refer to the OpenAI site |
OpenAI Options | Specify option values to use with the OpenAI API. These may be ignored depending on the AI model. For detailed explanations, refer to the OpenAI site. If you're unsure, the default values are fine |
Status
Displays the subscription status screen. Only admin users can execute this.
You can check subscription status, number of users, and more.

Shortcut List
Shortcut Name | Type | Function |
---|---|---|
Expert Channel | Global | Displays the expert channel settings screen |
Part-timer | Message | Displays the part-timer task screen |
Settings | Global | Displays the settings screen |
Status | Global | Displays the status screen |
Command List
Command | Function |
---|---|
/gachi-expert | Displays the expert channel settings screen. You can configure expert channels |
/gachi-parttimer-task | Displays the part-timer task screen. You can execute part-timer tasks from here |
/gachi-settings | Displays the settings screen. You can configure admin users, OpenAI API Key, OpenAI API options, and more |
/gachi-status | Displays the subscription status screen. Only admin users can execute this. You can check subscription status, number of users, and more |
/gachi-manage-subscription | Displays a link to Stripe's subscription management screen. Only admin users can execute this. You can configure payment methods and cancel subscriptions |
/gachi-support | Starts the support AI chat. It answers questions about GACHI.AI usage. Problem reports are automatically escalated |