BotKit by Fedify
BotKit is a framework for creating ActivityPub bots. It is powered by Fedify, a lower-level library for creating ActivityPub server applications. Unlike Mastodon bots, BotKit is designed to create a standalone ActivityPub bot, which is a complete ActivityPub server in itself and not limited to Mastodon's capabilities (such as the 500-character limit per post).
BotKit's API is so simple and easy to use that you can create a complete bot in a single TypeScript file. Here's an example of a simple bot that just greets:
import { createBot, mention, text } from "@fedify/botkit"; import { RedisKvStore } from "@fedify/redis"; import { Redis } from "ioredis"; // Create a bot instance: const bot = createBot<void>({ // The bot will have fediverse handle "@greetbot@mydomain": username: "greetbot", // Set the display name: name: "Greet Bot", // Set the profile icon (avatar): icon: new URL("https://mydomain/icon.png"), // Set the bio: summary: text`Hi, there! I'm a simple fediverse bot created by ${ mention("@[email protected]")}.`, // Use Redis as a key-value store: kv: new RedisKvStore(new Redis()), // Use Redis as a message queue: queue: new RedisMessageQueue(() => new Redis()), }); // A bot can respond to a mention: bot.onMention = async (session, message) => { await message.reply(text`Hi, ${message.actor}!`); }; // Or, a bot also can actively publish a post: const session = bot.getSession("https://mydomain/"); setInterval(async () => { await session.publish(text`Hi, folks! It's an hourly greeting.`); }, 1000 * 60 * 60); export default bot;
For more information, see the BotKit docs.