knowledge

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Search Hacker News, Wikipedia, DuckDuckGo, RFC docs, and Stack Exchange from the command line. Zero barrier — install x-cmd and start searching. Use for "search", "hn", "hacker news", "wikipedia", "ddg", "duckduckgo", "rfc", "stack overflow".

x-cmd By x-cmd schedule Updated 6/12/2026

name: knowledge description: | Search Hacker News, Wikipedia, DuckDuckGo, RFC docs, and Stack Exchange from the command line. Zero barrier — install x-cmd and start searching. Use for "search", "hn", "hacker news", "wikipedia", "ddg", "duckduckgo", "rfc", "stack overflow".

metadata: version: "0.1.0" category: knowledge tags: [search, hn, wikipedia, ddg, rfc, stack-overflow, knowledge] repository: https://github.com/x-cmd/skill0 type: skill0

knowledge — skill0

Search the internet's knowledge sources from the command line.

Quick Start

# Install x-cmd
eval "$(curl https://get.x-cmd.com)"

# Hacker News top posts
x hn top

# Wikipedia search
x wkp "artificial intelligence"

# DuckDuckGo search
x ddg "rust programming language"

# RFC documents
x rfc 2616

# Stack Exchange search
x se "how to exit vim"

What's Available

Command Source Example
x hn top Hacker News Top 10 trending posts
x hn new Hacker News Latest submissions
x wkp <query> Wikipedia Search articles
x ddg <query> DuckDuckGo Web search
x rfc <number> RFC docs Read RFC specifications
x se <query> Stack Exchange Search Q&A

This skill0 grows

Starting with the essentials. Will add:

  • More sources (Project Gutenberg, arxiv)
  • Advanced search patterns
  • Result filtering and formatting tips

Full experience

x knowledge --help for all options after installing x-cmd.

Install via CLI
npx skills add https://github.com/x-cmd/x-cmd --skill knowledge
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