SKILL.md
How to Use
1. Fetch Raw RSS Feed
curl -s "https://hnrss.org/frontpage" | head -1002. Parse RSS with xmllint
Extract titles from RSS feed:
curl -s "https://hnrss.org/frontpage" | xmllint --xpath '//item/title/text()' - 2>/dev/nullExtract titles and links:
curl -s "https://hnrss.org/frontpage" | xmllint --format - | grep -E '<title>|<link>' | head -203. Get Items with Details
curl -s "https://hnrss.org/frontpage" | xmllint --xpath '//item' - 2>/dev/null | xmllint --format - | head -504. Parse Atom Feeds
Atom feeds use <entry> instead of <item>:
curl -s "https://github.com/blog.atom" | xmllint --xpath '//entry/title/text()' - 2>/dev/nullPopular RSS Feeds
| Source | URL |
|---|---|
| Hacker News | https://hnrss.org/frontpage |
| HN Best | https://hnrss.org/best |
| TechCrunch | https://techcrunch.com/feed/ |
| Ars Technica | https://feeds.arstechnica.com/arstechnica/index |
| The Verge | https://www.theverge.com/rss/index.xml |
| Reddit (any sub) | https://www.reddit.com/r/programming/.rss |
| GitHub Blog | https://github.blog/feed/ |
Examples
Fetch Hacker News Top Stories
curl -s "https://hnrss.org/frontpage?count=10" | xmllint --xpath '//item/title/text()' - 2>/dev/null | tr '\n' '\n'Get Story Links
curl -s "https://hnrss.org/frontpage?count=5" | grep -oP '<link>\K[^<]+' | grep -v hnrssFetch Multiple Feeds
FEEDS=(
"https://hnrss.org/frontpage?count=5"
"https://techcrunch.com/feed/"
)
for feed in "${FEEDS[@]}"; do
echo "=== $feed ==="
curl -s "$feed" | xmllint --xpath '//item/title/text()' - 2>/dev/null | head -5
echo ""
doneExtract Title, Link, and Date
curl -s "https://hnrss.org/frontpage?count=3" | xmllint --format - | awk '
/<item>/ { in_item=1 }
/<\/item>/ { in_item=0; print "---" }
in_item && /<title>/ { gsub(/<[^>]*>/, ""); print "Title: " $0 }
in_item && /<link>/ { gsub(/<[^>]*>/, ""); print "Link: " $0 }
in_item && /<pubDate>/ { gsub(/<[^>]*>/, ""); print "Date: " $0 }
'Save Feed to File
curl -s "https://hnrss.org/frontpage" -o /tmp/hn-feed.xml
xmllint --xpath '//item/title/text()' /tmp/hn-feed.xmlHN RSS Options
Hacker News RSS (hnrss.org) supports parameters:
| Parameter | Description |
|---|---|
count=N |
Number of items (default 20) |
points=N |
Minimum points |
comments=N |
Minimum comments |
q=keyword |
Search keyword |
# Top stories with 100+ points
curl -s "https://hnrss.org/frontpage?points=100&count=10"
# Search for "AI" topics
curl -s "https://hnrss.org/frontpage?q=AI&count=10"RSS vs Atom Format
| Element | RSS | Atom |
|---|---|---|
| Container | <item> |
<entry> |
| Title | <title> |
<title> |
| Link | <link> |
<link href="..."> |
| Summary | <description> |
<summary> |
| Date | <pubDate> |
<published> |
Guidelines
- Check feed format: Use
headfirst to see if it's RSS or Atom - Use xmllint: Best tool for XPath queries on XML
- Handle errors: Some feeds may be slow or rate-limited
- Respect robots.txt: Don't hammer feeds with requests
- Cache results: Feeds don't update every second