Subject Line Lab
Skill Verifiziert AktivMine your actual subject-line history from Klaviyo / Mailchimp / Rule / Get a Newsletter, find the patterns that work for YOUR list, and generate tuned candidates
To help marketers improve email open rates by leveraging data-driven insights from their own historical subject line performance.
Funktionen
- Mines historical subject line data from connected ESPs
- Analyzes patterns correlated with open rates
- Generates tuned subject line candidates
- Identifies winning and dragging subject line features
- Provides a pre-send QA recommendation
Anwendungsfälle
- When planning a new email campaign and needing subject line ideas
- To optimize subject lines for a specific campaign topic
- To understand what types of subject lines historically perform best on your list
- To reduce manual A/B testing of subject lines by generating data-backed options
Nicht-Ziele
- Generating email body copy
- Connecting to email service providers directly without Cogny MCP
- Performing A/B testing of subject lines
- Analyzing transactional emails or automated flows
Workflow
- Detect connected ESP
- Pull last 100 campaign sends
- Compute baseline metrics
- Extract subject-line features
- Compute lift per feature
- Identify winning and dragging patterns
- Generate tuned subject line candidates
- Save patterns to context
- Create actionable findings (optional)
Praktiken
- Data analysis
- Email marketing
- Pattern recognition
Voraussetzungen
- Cogny MCP
- Connected ESP (Klaviyo, Mailchimp, Rule, or Get a Newsletter)
Documentation
- info:Configuration & parameter referenceThe SKILL.md documents the campaign topic argument and lists prerequisites but does not explicitly detail default values or precedence orders for configuration.
Execution
- info:ValidationThe `argument-hint` suggests a string input for campaign topic, but formal schema validation is not explicitly detailed in the SKILL.md.
Compliance
- info:GDPRThe skill processes email history which may contain personal data; it does not explicitly sanitize this data before LLM processing.
Installation
npx skills add cognyai/claude-code-marketing-skillsFührt das Vercel skills CLI (skills.sh) via npx aus — benötigt Node.js lokal und mindestens einen installierten skills-kompatiblen Agent (Claude Code, Cursor, Codex, …). Setzt voraus, dass das Repo dem agentskills.io-Format folgt.
Qualitätspunktzahl
VerifiziertVertrauenssignale
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