Email Drafter

Email Drafter

Overview

Draft professional emails across any context and tone. Provides subject line variants, adjusts formality level, and adapts to the recipient relationship.

Draft Email

import anthropic

client = anthropic.Anthropic()

def draft_email(
    purpose: str,
    recipient: str,
    context: str,
    tone: str = "professional",  # professional, casual, formal, urgent
    length: str = "medium",  # short (3 sentences), medium (2 paragraphs), long (full)
    include_variants: int = 1,
) -> dict:
    system = f"""You are an expert email writer. Write emails that are {tone} in tone.
    Length: {length} ({{"short": "2-3 sentences", "medium": "2-3 paragraphs", "long": "full email"}}.get(length, "2-3 paragraphs")).
    Always provide a subject line. Be direct and get to the point in the first sentence."""

    response = client.messages.create(
        model="claude-opus-4-6",
        max_tokens=1024,
        system=system,
        messages=[{
            "role": "user",
            "content": f"""Write an email for this situation:

Purpose: {purpose}
Recipient: {recipient}
Context: {context}

Provide:
1. Subject: [subject line]
2. Body: [email body]
{"3. Alternative subject lines: [3 variants]" if include_variants else ""}"""
        }],
    )
    return {"draft": response.content[0].text}

Email Types with Templates

EMAIL_CONTEXTS = {
    "cold-outreach": "First contact — establish credibility quickly, lead with value, single CTA",
    "follow-up": "Following up after no response — add value, don't just check in",
    "escalation": "Escalating an unresolved issue — factual, specific timeline, clear ask",
    "announcement": "Team/company announcement — clear, positive, what changes for the reader",
    "apology": "Apologizing for an error — own it, specific, next steps to prevent recurrence",
    "rejection": "Declining a request/candidate — kind, brief, no false hope",
    "introduction": "Introducing yourself or two parties — why this matters to the reader",
    "request": "Asking for something — what you need, why, when, how much work for them",
}

def draft_by_type(email_type: str, **kwargs) -> dict:
    context = EMAIL_CONTEXTS.get(email_type, "professional email")
    return draft_email(
        purpose=f"{email_type}: {context}",
        **kwargs
    )

Improve Existing Email

def improve_email(existing_email: str, improvement_goal: str) -> str:
    response = client.messages.create(
        model="claude-opus-4-6",
        max_tokens=1024,
        system="Improve emails for clarity, impact, and professionalism. Keep the sender's voice.",
        messages=[{
            "role": "user",
            "content": f"""Improve this email. Goal: {improvement_goal}

Email:
{existing_email}

Show the improved version with a brief note on what you changed and why."""
        }],
    )
    return response.content[0].text

Quick Reference