Passive domain reconnaissance using Python stdlib. Subdomain discovery, SSL certificate inspection, WHOIS lookups, DNS records, domain availability checks, and bulk multi-domain analysis. No API keys required.
Install
npx skills add NousResearch/hermes-agent --skill domain-intelnpx skills add NousResearch/hermes-agent --skill domain-intel -a claude-code -gnpx skills add NousResearch/hermes-agent --skill domain-intel -a codex -ggemini skills install https://github.com/NousResearch/hermes-agent.git --path optional-skills/research/domain-intelgh skill install NousResearch/hermes-agent domain-intelgit clone --depth 1 https://github.com/NousResearch/hermes-agent /tmp/NousResearch__hermes-agent
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/NousResearch__hermes-agent/optional-skills/research/domain-intel ~/.claude/skills/domain-intel # Claude Code
cp -R /tmp/NousResearch__hermes-agent/optional-skills/research/domain-intel ~/.agents/skills/domain-intel # Codex, Cursor, Gemini CLI, Copilot, OpenCode