Auto-Reply Agent

1. Poll for unread emails
2. For each email, get the full thread
3. Feed conversation to LLM
4. Send LLM's reply
5. Mark as processed

import requests
from openai import OpenAI

MAILGENT_KEY = "mgent-your-key"
BASE = "https://api.mailgent.dev/v0"
headers = {"Authorization": f"Bearer {MAILGENT_KEY}"}
llm = OpenAI()

def process_inbox():
    # Get unread messages
    res = requests.get(f"{BASE}/messages?labels=unread", headers=headers)
    messages = res.json()["messages"]

    for msg in messages:
        # Get full thread
        thread = requests.get(
            f"{BASE}/threads/{msg['threadId']}", headers=headers
        ).json()

        # Build conversation for LLM
        conversation = "\n\n".join([
            f"{'Agent' if 'sent' in m['labels'] else m['from'][0]}: {m['extractedText'] or m['text']}"
            for m in thread["messages"]
        ])

        # Generate reply
        response = llm.chat.completions.create(
            model="gpt-4o",
            messages=[
                {"role": "system", "content": "You are a helpful email assistant."},
                {"role": "user", "content": f"Reply to this email thread:\n\n{conversation}"}
            ]
        )
        reply_text = response.choices[0].message.content

        # Send reply
        requests.post(
            f"{BASE}/messages/{msg['messageId']}/reply",
            headers=headers,
            json={"text": reply_text}
        )

        # Mark processed
        requests.patch(
            f"{BASE}/messages/{msg['messageId']}",
            headers=headers,
            json={"addLabels": ["read", "processed"], "removeLabels": ["unread"]}
        )

# Run every 30 seconds
import time
while True:
    process_inbox()
    time.sleep(30)