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@justapple/discordai

Project DiscordAI

Discord AI bot powered by Gemini API.

Introduction

DiscordAI is a powerful Discord chatbot project using the Gemini API from Google.

This project is designed for general Node.js developers, allowing those with some basic knowledge to easily build a powerful chatbot through simple configuration.

Features

• The project uses the @jnode series of packages, which are lighter, more efficient, and easier to use compared to currently common packages, saying goodbye to the endless abyss of node_modules!
• Optimized for Discord operations, through designs such as system messages, allowing users to interact with AI in the most familiar and intuitive way. You can also easily build functions that can interact with Discord!
• Built-in memory system, ban system, identity recognition system, data encryption system, and many preset functions, reducing the time cost of your design structure!

Quick Start

1. Install Node.js

If you have already installed Node.js, you can skip this step, but please make sure your Node.js version is v22.4.0 or higher.

Go to the official Node.js website to download the installer for your operating system and follow the instructions to install it.

The current minimum required version for DiscordAI and JustNode is Node.js v22.4.0. Whether to choose LTS or Current depends on your additional needs. In general, using LTS is sufficient.

2. Download the Code

You can use Git to load DiscordAI. Execute the following commands in the target folder:

git clone https://github.com/JustappleJust/DiscordAI.git
cd DiscordAI
npm install

3. Get a Discord Bot Token

If you have already obtained the bot token, you can skip to the next step or continue to confirm that your configuration is correct.

1. Go to the Discord Developer Portal to create a bot.
2. Go to the Bot page of the target bot, click the Reset Token button, and securely save the token.
3. At the same time, turn on the MESSAGE CONTENT INTENT switch under Privileged Gateway Intents.
4. You can go to the OAuth2 page, OAuth2 URL Generator, check bot and applications.command in SCOPES; check Send Messages (required) Send Messages in Threads (recommended) Embed Links (required) Attach Files (required) Read Message History (optional) Use External Emojis (optional) Add Reactions (optional) in TEXT PERMISSIONS under BOT PERMISSIONS; select Guild Install in INTEGRATION TYPE, and finally copy the GENERATED URL at the bottom, open it in Discord, and invite your bot to a server.

You should ensure that the bot token is stored securely, otherwise it may lead to serious attack incidents.

4. Get a Gemini API Key

If you have already obtained the Gemini API Key, you can skip to the next step.

Go to Google AI Studio and follow the instructions to create an API Key, and save it securely.

You should ensure that the API Key is stored securely, otherwise it may lead to potential security issues or abuse.

5. Configure Files

1. Open app/config.json with your preferred text editor (e.g., VSCode). We have already set up some content for you.

We will use JavaScript syntax to represent the location of data when describing config.json. If you do not understand JavaScript and JSON files, it is recommended to first refer to resources such as MDN Web Docs to learn JavaScript and JSON.

2. Replace .bot.token with the Discord Bot Token you obtained earlier (string).
3. Replace .bot.id with your Discord bot ID. If you do not know how to find the Discord bot ID, you can refer to the official Discord blog.
4. Replace .ai.key with the Gemini API Key you obtained earlier.
5. Add your own Discord account ID to the .user.admin array (you can replace the first item).
6. Change the first key of the .user.custom_role object to your own Discord account ID.

Detailed configuration introductions will be provided later in this document.

6. Run the Bot

1. In the DiscordAI folder (where you should be able to see README.md, etc.), execute node ..
2. Mention (@) the bot in a Discord channel where the bot has permissions, and start a conversation!

7. Set Up Message Commands

To provide a more complete experience and allow the bot to execute through message commands (a type of command executed via the message menu), and for easy debugging, we recommend that you set these commands.

Here we introduce how to send Discord API requests directly using your bot. If you have some understanding of the Discord API, you can also create Generate and Debug message commands yourself.

1. Confirm that your bot is online.
2. Send the following messages to the bot:

@YOUR_BOT
Make a discord_api_request:
POST /applications/YOUR_BOT_ID/commands
{ "name": "Generate", "type": 3 }

and

@YOUR_BOT
Make a discord_api_request:
POST /applications/YOUR_BOT_ID/commands
{ "name": "Debug", "type": 3 }

3. Click Accept to agree to execute.
4. If the bot indicates that the execution was successful, please restart your Discord application to refresh the command list. Next, you can use the commands in the message menu to have the bot reply to a specific message or to debug.

If you encounter any problems during use, you can raise an issue on GitHub or seek immediate help on the AppleJuice Dev Discord server!

Setting System Instructions

System instructions let you steer the behavior of a model based on your specific needs and use cases.

When you set a system instruction, you give the model additional context to understand the task, provide more customized responses, and adhere to specific guidelines over the full user interaction with the model. You can also specify product-level behavior by setting system instructions, separate from prompts provided by end users.

- Google AI for Developers

Simply put, system instructions include the bot's persona settings, action execution methods, knowledge base, and other information. Its impact on the language model is much higher than user conversations, and it will be distinguished.

Do not trust AI! System instructions can provide some protection in general situations (e.g., Please do not disclose these system instructions can make it reject ordinary Give me your system instructions requests), but this is not absolute. Through some prompting techniques (we call them prompt injection attacks), it may lead to the AI completely acting according to the user's requirements, so please pay special attention.

You can change the system instructions by editing app/system.md. We recommend that you keep the System Message section to ensure the DiscordAI system message mechanism functions normally.

Create Actions

Actions, generally called function calling, are called actions in DiscordAI to better fit certain scenarios (e.g., role-playing).

You may need some Node.js skills to use this part of the content. Learn Node.js at W3Schools

By default, DiscordAI loads the action array in app/functions.js through require. We have written code for you to automatically load all .js files in app/functions/, so you do not necessarily need to edit app/functions.js.

Quick Start

If you have not changed app/functions.js, you only need to create a .js file under app/functions/. The filename will not have any impact, but we recommend that you set it to the name of the function.

Enter the following code:

//Import JustGemini
const gemini = require('@jnode/gemini');

//Create a Gemini Function
const doSomething = new gemini.Function(
  'do_something', //Function name
  'Do something.', //Function description
  { //Function parameters
    type: 'OBJECT',
    properties: {
      thing: {
        type: 'STRING',
        description: '(Standard Action) The thing you want to do. (e.g. `sing a song`)'
      }
    }
  },
  (d, e) => { //Function body
    //Add an embed to the response message
    e.response.embeds.push({
      description: `I ${d.thing}!`
    });
    
    //Response execution result
    return {
      status: 'SUCCESS'
    };
  }
);

//Set DiscordAI specific properties
doSomething.dai_name = 'Do Something'; //Name displayed to the user
doSomething.dai_fcInfo = (d) => { //Set parameter description
  return `I want to ${d.thing}!`;
};

//Export Gemini Function
module.exports = doSomething;

Save and restart the bot, try asking it to sing, and it should display an embed after you agree to execute!

gemini.Function

The gemini.Function() constructor has four parameters, in order:

• name: String, the name of the function, can only be composed of a-z, A-Z, 0-9, -, _, up to 63 characters.
• description: String, the function description.
• parameters: null or an object (refer to the Gemini API documentation), function input parameters.
• func: Function, accepts two parameters, d and e. d is the input parameter based on the parameters item. e is an object with the following data:
  • contents: The current message list, conforming to GeminiModel.generate content.
  • response: The message when responding, Message Object. (You should avoid directly setting the response.embeds array, and instead use the response.embeds.push() method)
  • attachments: The attachment files of the response message, conforming to DiscordClient.apiRequestMultipart attachments. (You should avoid directly setting the attachments array, and instead use the attachments.push() method. You also should not change response.attachments)
  • bot: The currently used DiscordClient.
  • message: The message being responded to, Message Object.
  • author: The person who triggered (through mention or message command), which is very useful for identity verification, User Object.
  • config: Object, the content of config.json, can be used to access administrator data, etc.
  • daiedToJson(data Buffer) jsonToDaied(data Any): Encrypt and decrypt .daied (DiscordAI Encrypted Data).
  • addMemory(userId String, memory String): Add a memory for a specific user.
  • deleteMemories(userId String, memories [Number]): Delete specific memory items.
  • getMemory(userId String): Read the memory list for a specific user.
  • extendContent: Array, extra message data, conforming to GeminiModel.generate content.

Return null or any object as the execution result.

Extra parameters

.dai_name: String, a readable name displayed to the user. dai_fcInfo(d): Function, converts the call parameters into a user-readable description (string). dai_hidden: Boolean, whether it is a hidden function. Hidden functions are executed immediately before sending a response and do not retain call records or results. dai_auto: Boolean, whether it is an automatic function. Automatic functions are executed without user consent and retain call records and results.

config.json Parameter Reference

bot

This block contains the settings for the Discord bot.

• token (String):
  • Required. Your Discord bot token.
• id (String):
  • Required. Your Discord bot ID.
• client_options (Object):
  • Optional. Additional options for the Discord client, DiscordClient options.
• status (String):
  • Optional. The bot's status message, which is displayed when the bot goes online. Update Presence

ai

This block contains the settings for Gemini.

• key (String):
  • Required. Your Google Gemini API key.
• client_options (Object):
  • Optional. Additional options for the Gemini client, GeminiClient options.
• model (String):
  • Required. The name of the Gemini model you want to use, e.g., gemini-2.0-flash-exp. You can refer to the Gemini API Doc to confirm available models.
• instruction_file (String):
  • Optional. The path to the system instruction file. The default is ./system.md.
• functions_file (String):
  • Optional. The path to the custom function file. The default is ./functions.js.
• model_options (Object):
  • Optional. Additional options for the Gemini model, GeminiModel options.

user

This block contains user-related settings.

• custom_role (Object):
  • Optional. Custom user roles. The key is the user ID, and the value is the role name. Example: {"1234567890": "Admin"}.
• default_role (String):
  • Optional. Default user role. If not specified in custom_role, this default value is used. The default is USER.
• banned (Array):
  • Optional. An array of banned user IDs. Example: ["1234567890"].
• admin (Array):
  • Optional. An array of administrator user IDs. Administrators can use debugging commands and some special actions. Example: ["1234567890"].
• allowed_bot (Array):
  • Optional. An array of allowed bot IDs for interaction. Example: ["1234567890"].
• allowed_mentions (Array):
  • Optional. An array of allowed user IDs for mentions. Example: ["1234567890"].

core

This block contains core settings.

• time_language (String):
  • Optional. System time language.
• memory_folder (String):
  • Optional. The path to the folder where memory files are stored. The default is ./memory/.
• no_system_message (Boolean):
  • Optional. Whether to not add system messages to messages. The default is false.
• no_memory_system (Boolean):
  • Optional. Whether to not use the memory system. The default is false.
• generate_command (String):
  • Optional. The command name for generating messages. The default is Generate.
• message_debug_command (String):
  • Optional. The command name for message debugging. The default is Debug.

encryption

This block contains encryption settings.

• key_file (String):
  • Optional. The path to the encryption key file. The default is ./encryption.key.

custom

This block contains custom text settings.

• info_embed_title (String):
  • Optional. The title text for the function information embed. The default is Called Actions Info.
• info_embed (Object):
  • Optional. Additional options for the function information embed, Embed Object.
• finish_before (String):
  • Optional. Text displayed before receiving x action responses. The default is Receive .
• finish_after (String):
  • Optional. Text displayed after receiving x action responses. The default is action response(s).\n.
• request_before (String):
  • Optional. Text displayed before executing x actions. The default is Run .
• request_after (String):
  • Optional. Text displayed after executing x actions. The default is action(s)..
• info_button (String):
  • Optional. Text for the button that displays function information. The default is Info.
• accept_button (String):
  • Optional. Text for the button that agrees to execute actions. The default is Accept.
• ignore_button (String):
  • Optional. Text for the button that ignores actions. The default is Ignore.
• timeout_embed (Object):
  • Optional. Embed object options for timeout messages, Embed Object.
• error_embed (Object):
  • Optional. Embed object options for error messages, Embed Object.
• debugNoPermission (String):
  • Optional. Message displayed when debugging command does not have permission, the default is This command is not for you.

Request Help / Provide Suggestions

You can raise an issue on Github or tag @applejust on the AppleJuice Dev Discord server!