dev-agent-spawn

Installation
SKILL.md

Agent Spawn

Spawn Claude Code sessions in new Ghostty terminals via AppleScript, wrapped in tmux for output capture. Requires Ghostty 1.3.0+, tmux, and macOS.

Spawn

bash ~/.claude/skills/dev-agent-spawn/scripts/agent-spawn.sh [OPTIONS]
Flag Description Default
-d, --directory DIR Working directory Current dir
-p, --prompt PROMPT Initial prompt for Claude None
-m, --mode MODE window, tab, split-right, split-down window
-r, --resume ID Resume conversation by ID None
-c, --command CMD Custom command claude --dangerously-skip-permissions --model opus (sandbox disabled)
-n, --name NAME Tmux session name agent-<timestamp>
-w, --worktree Force worktree isolation Auto (on in git repos)
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1
First Seen
Mar 14, 2026