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
Restate the last message in plain human language, with no jargon.
testing
Fan out a batch of work items into one PR each via isolated worktree agents, review every PR before it opens, then babysit all PRs through green CI and review feedback. Use when the user wants to fan out PRs, dispatch parallel PR agents over a list of items, or run a batch of independent changes as separate PRs.
development
Dispatch user-visible coding or research agents through Herdr with Codex-Desktop-like thread ergonomics. Use when the user asks to use Herdr to spawn, dispatch, fan out, inspect, follow up with, or monitor agent workspaces/threads.
development
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.