RCP-001-001-002-EMAIL-SUBJECT-v1.00a
CRAFT RECIPE START
RECIPE_ID: RCP-001-001-002-EMAIL-SUBJECT-v1.00a
TITLE: Email Subject Line Generator
DESCRIPTION: Generate compelling email subject lines optimized for open rates and engagement. This recipe creates attention-grabbing subject lines tailored to your specific context, audience, and goals.
DIFFICULTY: easy
CATEGORY: CAT-Content
SUBCATEGORY: SUBCAT-Email
PROMPT TEMPLATE:
Generate {count} compelling email subject lines for the following:
Topic: {topic}
Context: {context}
Target Audience: {audience}
Tone: {tone}
Email Purpose: {purpose}
Requirements:
- Maximum length: {max_length} characters
- Include action words that create urgency when appropriate
- Avoid spam trigger words
- Make each subject line unique and engaging
{emoji_instruction}
{personalization_instruction}
Format the output as a numbered list with each subject line on its own line.
PARAMETERS:
- count: integer, default=5, required=False, "Number of subject lines to generate (1-20)"
- topic: string, required=True, "Main topic or content of the email"
- context: string, default="business email", required=False, "Context or industry (e.g., e-commerce, B2B, newsletter)"
- audience: string, default="general audience", required=False, "Target audience description"
- tone: string, default="professional", required=False, "Desired tone (professional, casual, urgent, friendly, formal)"
- purpose: string, default="inform", required=False, "Email purpose (inform, sell, engage, announce, invite)"
- max_length: integer, default=60, required=False, "Maximum characters per subject line (30-100)"
- include_emoji: boolean, default=False, required=False, "Whether to include emojis in subject lines"
- personalization_tokens: boolean, default=False, required=False, "Include merge tags like {{FirstName}} or {{Company}}"
PARAMETER VALIDATION:
- count: Must be between 1 and 20
- max_length: Must be between 30 and 100
- topic: Must not be empty
- tone: Must be one of [professional, casual, urgent, friendly, formal]
- purpose: Must be one of [inform, sell, engage, announce, invite]
EXAMPLES:
1. Basic usage:
result = quick_recipe(
"https://www.aicookbook.ai/recipes-via-craft-api/rcp-001-001-002-email-subject",
topic="AI automation tools",
count=5
)
2. E-commerce promotion:
result = quick_recipe(
recipe_url,
topic="Summer sale on outdoor furniture",
context="e-commerce",
audience="homeowners aged 30-55",
tone="urgent",
purpose="sell",
count=10,
include_emoji=True
)
3. Newsletter with personalization:
result = quick_recipe(
recipe_url,
topic="Monthly tech trends update",
context="B2B newsletter",
audience="IT managers and CTOs",
tone="professional",
purpose="engage",
personalization_tokens=True,
max_length=50
)
4. Event invitation:
result = quick_recipe(
recipe_url,
topic="Annual customer appreciation dinner",
context="corporate events",
tone="friendly",
purpose="invite",
count=8
)
ADVANCED USAGE:
This recipe can be combined with A/B testing workflows:
# Generate variants for testing
variants_a = quick_recipe(recipe_url, topic="New feature launch", tone="professional", count=5)
variants_b = quick_recipe(recipe_url, topic="New feature launch", tone="casual", count=5)
# Use with CRAFT AB_Test object
test = AB_Test("Subject Line Test", "Casual vs Professional tone", "Higher open rate")
test.add_variant("professional", variants_a)
test.add_variant("casual", variants_b)
INTEGRATION NOTES:
- Compatible with CRAFT v0.0625b1 and later
- Can be used with email workflow objects and campaign builders
- Supports integration with A/B testing frameworks
- Results can be passed to email automation platforms
- Subject lines are optimized for common email clients
HELPER FUNCTIONS:
The recipe includes internal logic for:
- emoji_instruction: Adds "Include relevant emojis at the beginning or end of subject lines" when include_emoji=True
- personalization_instruction: Adds "Include personalization tokens like {{FirstName}}, {{Company}}, or {{LastPurchase}} where appropriate" when personalization_tokens=True
BEST PRACTICES:
1. Test generated subject lines with spam checkers
2. A/B test different tones and styles for your audience
3. Keep subject lines under 50 characters for mobile optimization
4. Use the personalization_tokens parameter for email platforms that support merge tags
5. Generate more options than needed and select the best ones
CRAFT RECIPE END
