Craft Substack newsletter posts optimized for engagement, open rates, and subscriber growth.Use when writing headlines/subject lines, structuring posts, crafting hooks, writing teasersfor next issues,
tdd-growth/skills/substack-post-crafter
Social media post guidelines for LinkedIn, Reddit, and Twitter/X. Use when drafting posts, announcements, or sharing tec...
Scrape web pages and extract content via Firecrawl MCP
Create 600x600 Instagram-style card news series automatically with optional background images. User provides topic, colo...