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Delegate coding tasks to Codex, Claude Code, or Pi agents via background process.
Passed 8 of 14 test cases with the skill, and 4 of 14 without it.
and 14 more in the full report
10 fixed3 passed either way6 still failing3 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
I want to quickly build a dark mode toggle in my web project at `~/Projects/frontend`. I want Codex to run in one-shot mode and automatically approve file changes within the workspace sandbox without prompting me. Show the exact tool invocation.
| Checked | Without skill | With skill |
|---|---|---|
| The command includes the --full-auto flag. | Missed | Passed |
| The command uses the exec subcommand. | Passed | Passed |
| The execution tool call sets pty: true. | Missed | Passed |
The instructions your model reads when the skill loads.
Use bash (with optional background mode) for all coding agent work. Simple and effective.
For Codex, Pi, and OpenCode, PTY is still required (interactive terminal apps):
# ✅ Correct for Codex/Pi/OpenCode
bash pty:true command:"codex exec 'Your prompt'"
For Claude Code (claude CLI), use --print --permission-mode bypassPermissions instead.
--dangerously-skip-permissions with PTY can exit after the confirmation dialog.
--print mode keeps full tool access and avoids interactive confirmation:
# ✅ Correct for Claude Code (no PTY needed)
cd /path/to/project && claude --permission-mode bypassPermissions --print 'Your task'
# For background execution: use background:true on the exec tool
# ❌ Wrong for Claude Code
bash pty:true command:"claude --dangerously-skip-permissions 'task'"
| Parameter | Type | Description |
|---|---|---|
command | string | The shell command to run |
pty | boolean | Use for coding agents! Allocates a pseudo-terminal for interactive CLIs |
workdir | string | Working directory (agent sees only this folder's context) |
background | boolean | Run in background, returns sessionId for monitoring |
timeout | number | Timeout in seconds (kills process on expiry) |
elevated | boolean | Run on host instead of sandbox (if allowed) |
test cases passed, vs 4 / 14 without
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