modules/programs/agents/shared/skills/add-newsletter/SKILL.md
Subscribe to an email newsletter via Kill the Newsletter and add the resulting feed to FreshRSS with auto-categorization. Use when user wants to subscribe to a newsletter, says "add newsletter", or provides an email-based newsletter to follow.
npx skillsauth add MichaelVessia/nixos-config add-newsletterInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Subscribe to an email newsletter by creating a Kill the Newsletter inbox, then adding the resulting Atom feed to FreshRSS with an appropriate category.
The user provides a newsletter name, signup page, or website. Use WebFetch on the provided URL to understand what the newsletter covers (topic, audience, content type). This informs the feed title.
FEED_SLUG=$(curl -s -X POST https://kill-the-newsletter.com/feeds \
-H "CSRF-Protection: true" \
-d "title=NEWSLETTER_TITLE" \
-D - -o /dev/null | grep -oP 'location:.*feeds/\K[^\s]+')
This gives you:
${FEED_SLUG}@kill-the-newsletter.comhttps://kill-the-newsletter.com/feeds/${FEED_SLUG}.xmlInvoke add-feed with the atom feed URL
(https://kill-the-newsletter.com/feeds/${FEED_SLUG}.xml) to authenticate with
FreshRSS, infer the best category, and add the feed.
Print clearly:
${FEED_SLUG}@kill-the-newsletter.comhttps://kill-the-newsletter.com/feeds/${FEED_SLUG}.xmldevelopment
Generate self-contained HTML visualizations with Plannotator theming. Use for implementation plans, PR explainers, architecture diagrams, data tables, slide decks, and any visual explanation of technical concepts. Plans and PR explainers follow Plannotator's prescriptive approach; all other visual content delegates to nicobailon/visual-explainer.
development
Turn an idea or objective into a goal package for /goal. Interviews the user, builds a reviewed fact sheet via Plannotator, then explores the codebase to produce an execution plan.
development
Open Plannotator's browser-based code review UI for the current worktree or a pull request URL, then act on the feedback that comes back.
testing
Open Plannotator on the latest rendered assistant message and use the returned annotations to revise that message or continue.