Skills for Real Engineers. Straight from my .agents directory.
39 skills
ctf-osint
Agent skill from
Provides open source intelligence techniques for CTF challenges. Use when gathering information from public sources, social media, geolocation, DNS records, username enumeration, reverse image search, Google dorking, Wayback Machine, Tor relays, FEC filings, or identifying unknown data like hashes and coordinates.
How to install ctf-osint
install ctf-osint
# install the ctf-skills pack with the skills CLI
npx skills add ljagiello/ctf-skills# or add only this skill to Claude Code: copy the folder
ctf-osint/
# into
~/.claude/skills/ctf-osint/ (all projects)
.claude/skills/ctf-osint/ (one project)
1# CTF OSINT23Quick reference for OSINT CTF challenges. Each technique has a one-liner here; see supporting files for full details.45## Prerequisites67**Python packages (all platforms):**8```bash9pip install shodan Pillow10```1112**Linux (apt):**13```bash14apt install whois dnsutils nmap libimage-exiftool-perl imagemagick curl15```1617**macOS (Homebrew):**18```bash19brew install whois bind nmap exiftool imagemagick curl20```2122**MCP servers (optional):** Playwright MCP ([microsoft/playwright-mcp](https://github.com/microsoft/playwright-mcp)) for browser-driven OSINT (JS-rendered pages, reverse-image/map flows) — see [tools-mcp.md](tools-mcp.md).2324## Additional Resources2526- [social-media.md](social-media.md) - Twitter/X (user IDs, Snowflake timestamps, syndication API, memory.lol, Wayback CDX), Tumblr (blog checks, post JSON, avatars), BlueSky search + API, Unicode homoglyph steganography, Discord API, username OSINT (namechk, whatsmyname, Osint Industries), username metadata mining (postal codes), platform false positives, multi-platform chains, Strava fitness route OSINT27…
Excerpt shown under the repository's MIT license.
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