Example Discord bot to send you cat pictures.

example_discord_cat_bot.py

import discord
import os
import requests

from discord.ext import commands


DISCORD_BOT_TOKEN = os.environ["DISCORD_BOT_TOKEN"]
RANDOM_CAT_URL = "https://cataas.com"

bot = commands.Bot(
  command_prefix=commands.when_mentioned,
  description="An example bot.",
  intents=discord.Intents.default()
)


def get_random_cat():
  req = requests.get(f"{RANDOM_CAT_URL}/cat?json=true")
  res = req.json()
  url = res["url"]
  return f"{RANDOM_CAT_URL}{url}"


@bot.event
async def on_ready():
  print(f"Hello, I am {bot.user}.")


@bot.event
async def on_message(message):
  """
  Listener to reply with a random cat, as text.
  Usage: Any message that contains "random cat"
  """
  # Don't respond to your own messages
  if message.author == bot.user:
    return
  # Get the text of the message
  content = str(message.content).lower()
  # Send a random cat
  if "random cat" in content:
    your_cat = get_random_cat()
    await message.channel.send(your_cat)
  await bot.process_commands(message)
  return


@bot.command()
async def cat(ctx):
  """
  Command to get a random cat, as an embed.
  Usage: @Bot cat
  """
  your_cat = get_random_cat()
  embed = discord.Embed(
    title="Here is your cat.",
    description="Please react with pats."
  )
  embed.set_image(url=your_cat)
  await ctx.send(embed=embed)


bot.run(DISCORD_BOT_TOKEN)