Use when a user needs Sendmux setup, OAuth connection checks, agent inbox registration, owner linking, credential validation, surface selection, or a first harmless call through MCP, CLI, or an SDK.
Install
npx skills add Sendmux/skills --skill sendmux-getting-startednpx skills add Sendmux/skills --skill sendmux-getting-started -a claude-code -gnpx skills add Sendmux/skills --skill sendmux-getting-started -a codex -ggemini skills install https://github.com/Sendmux/skills.git --path skills/sendmux-getting-startedgh skill install Sendmux/skills sendmux-getting-startedgit clone --depth 1 https://github.com/Sendmux/skills /tmp/Sendmux__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Sendmux__skills/skills/sendmux-getting-started ~/.claude/skills/sendmux-getting-started # Claude Code
cp -R /tmp/Sendmux__skills/skills/sendmux-getting-started ~/.agents/skills/sendmux-getting-started # Codex, Cursor, Gemini CLI, Copilot, OpenCode