Discordボット開発#9AI(Claude・ChatGPT API)と連携する！ (Pythonサンプル付き)

pip install -U discord.py anthropic python-dotenv

# .env
DISCORD_TOKEN=봇토큰
ANTHROPIC_API_KEY=sk-ant-...

import discord
from discord import app_commands
from anthropic import AsyncAnthropic

ai = AsyncAnthropic()  # ANTHROPIC_API_KEY 環境変数を自動で認識

@tree.command(name="ai", description="AIに質問する")
async def ai_command(interaction: discord.Interaction, 질문: str):
    await interaction.response.defer()  # ⭐ ここがポイント！下の説明を参照
    result = await ai.messages.create(
        model="claude-haiku-4-5",
        max_tokens=1000,
        system="あなたはDiscordサーバーの親切なアシスタントです。簡潔に答えてください。",
        messages=[{"role": "user", "content": 질문}],
    )
    answer = result.content[0].text
    await interaction.followup.send(answer[:2000])

from collections import defaultdict

history = defaultdict(list)  # チャンネルIDごとの会話履歴

async def ask_ai(channel_id: int, 질문: str) -> str:
    history[channel_id].append({"role": "user", "content": 질문})
    result = await ai.messages.create(
        model="claude-haiku-4-5",
        max_tokens=1000,
        system="あなたはDiscordサーバーの親切なアシスタントです。",
        messages=history[channel_id][-10:],  # 直近10件だけ渡す
    )
    answer = result.content[0].text
    history[channel_id].append({"role": "assistant", "content": answer})
    return answer

# discord.py 2.x / anthropic 最新 / Python 3.8+
import os
import discord
from discord import app_commands
from collections import defaultdict
from anthropic import AsyncAnthropic
from dotenv import load_dotenv

load_dotenv()

intents = discord.Intents.default()
client = discord.Client(intents=intents)
tree = app_commands.CommandTree(client)
ai = AsyncAnthropic()
history = defaultdict(list)

@client.event
async def on_ready():
    await tree.sync()
    print(f"{client.user} ログイン完了！")

@tree.command(name="ai", description="AIに質問する")
async def ai_command(interaction: discord.Interaction, 질문: str):
    await interaction.response.defer()
    try:
        history[interaction.channel_id].append({"role": "user", "content": 질문})
        result = await ai.messages.create(
            model="claude-haiku-4-5",
            max_tokens=1000,
            system="あなたはDiscordサーバーの親切なアシスタントです。簡潔に答えてください。",
            messages=history[interaction.channel_id][-10:],
        )
        answer = result.content[0].text
        history[interaction.channel_id].append({"role": "assistant", "content": answer})
        await interaction.followup.send(answer[:2000])
    except Exception as e:
        await interaction.followup.send(f"⚠️ エラーが発生しました: {e}")

client.run(os.getenv("DISCORD_TOKEN"))

from openai import AsyncOpenAI
ai = AsyncOpenAI()

result = await ai.chat.completions.create(
    model="gpt-4o-mini",
    messages=[{"role": "system", "content": "親切なアシスタントです。"},
              {"role": "user", "content": 질문}],
)
answer = result.choices[0].message.content