Discord Server
    |
    v
discli listen --events messages   (real-time event stream)
    |
    v
Python script (filters @mentions)
    |
    v
discli message list (fetch context)
    |
    v
Claude Agent SDK (reason + decide)
    |
    v
discli message reply (send response)

#!/usr/bin/env python3
"""AI Support Agent — Claude + discli."""

import asyncio
import json
import os
import subprocess

# Remove CLAUDECODE env var if present to avoid SDK conflicts
os.environ.pop("CLAUDECODE", None)

import claude_agent_sdk as sdk

SYSTEM_PROMPT = """You are a helpful Discord support agent.
Reply concisely. If you don't know the answer, say so honestly.
Use discli commands to interact with Discord.

Rules:
- Keep responses under 1900 characters (Discord limit is 2000).
- Be friendly but professional.
- If a question requires human help, say so and suggest they open a ticket.
"""

async def run_agent():
    options = sdk.ClaudeAgentOptions(
        system_prompt=SYSTEM_PROMPT,
        permission_mode="bypassPermissions",
        max_turns=5,
    )
    async with sdk.ClaudeSDKClient(options) as client:
        # Start listening for messages
        process = subprocess.Popen(
            ["discli", "--json", "listen", "--events", "messages"],
            stdout=subprocess.PIPE,
            text=True,
        )

        for line in process.stdout:
            line = line.strip()
            if not line:
                continue

            event = json.loads(line)

            # Only respond to @mentions of the bot
            if not event.get("mentions_bot"):
                continue

            channel_id = event["channel_id"]
            message_id = event["message_id"]

            # Show typing indicator while Claude thinks
            subprocess.Popen(
                ["discli", "typing", channel_id, "--duration", "10"],
                stdout=subprocess.DEVNULL,
                stderr=subprocess.DEVNULL,
            )

            # Fetch recent messages for context
            ctx = subprocess.run(
                ["discli", "--json", "message", "list", channel_id, "--limit", "5"],
                capture_output=True,
                text=True,
            )

            prompt = f"""A user mentioned you in Discord. Here are the details:

User: {event['author']}
Channel ID: {channel_id}
Message ID: {message_id}
Their message: {event['content']}

Recent channel context:
{ctx.stdout}

Reply to them using this exact command format:
discli message reply {channel_id} {message_id} "your response here"
"""
            # Send to Claude and let it execute the reply command
            await client.query(prompt)
            async for msg in client.receive_response():
                pass  # Claude executes the discli command autonomously


if __name__ == "__main__":
    asyncio.run(run_agent())