Use when a user wants to run the Sendmux **CLI** (the `sendmux` terminal binary) — installing it, OAuth login/logout, connection checks, agent inbox registration and owner invites, managing API-key or OAuth profiles, key-scope preflight errors (e.g.
Install
npx skills add Sendmux/skills --skill sendmux-clinpx skills add Sendmux/skills --skill sendmux-cli -a claude-code -gnpx skills add Sendmux/skills --skill sendmux-cli -a codex -ggemini skills install https://github.com/Sendmux/skills.git --path skills/sendmux-cligh skill install Sendmux/skills sendmux-cligit clone --depth 1 https://github.com/Sendmux/skills /tmp/Sendmux__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Sendmux__skills/skills/sendmux-cli ~/.claude/skills/sendmux-cli # Claude Code
cp -R /tmp/Sendmux__skills/skills/sendmux-cli ~/.agents/skills/sendmux-cli # Codex, Cursor, Gemini CLI, Copilot, OpenCode