Discord bot

npm install @agentskit/runtime @agentskit/adapters @agentskit/tools @agentskit/memory discord.js

import { Client, GatewayIntentBits, Partials } from 'discord.js'
import { createRuntime } from '@agentskit/runtime'
import { anthropic } from '@agentskit/adapters'
import { webSearch } from '@agentskit/tools'
import { sqliteChatMemory } from '@agentskit/memory'

const client = new Client({
  intents: [
    GatewayIntentBits.Guilds,
    GatewayIntentBits.GuildMessages,
    GatewayIntentBits.MessageContent,
  ],
  partials: [Partials.Channel],
})

// One memory per channel — keeps conversations separate
const runtimeFor = (channelId: string) =>
  createRuntime({
    adapter: anthropic({ apiKey: KEY, model: 'claude-sonnet-4-6' }),
    tools: [webSearch()],
    memory: sqliteChatMemory({ path: `./data/${channelId}.db` }),
    systemPrompt:
      'You are a helpful Discord bot. Keep replies under 1500 characters. ' +
      'Use web search when the user asks about anything time-sensitive.',
    maxSteps: 6,
  })

client.on('messageCreate', async (msg) => {
  // Only respond when mentioned
  if (msg.author.bot) return
  if (!msg.mentions.has(client.user!)) return

  const text = msg.content.replace(/<@!?\d+>/g, '').trim()
  if (!text) return

  await msg.channel.sendTyping()

  try {
    const result = await runtimeFor(msg.channelId).run(text)
    await msg.reply(result.content.slice(0, 1900))
  } catch (err) {
    await msg.reply(`Sorry, something broke: ${(err as Error).message}`)
  }
})

client.login(process.env.DISCORD_TOKEN!)

DISCORD_TOKEN=your-bot-token npx tsx bot.ts