Copilot Delegate

You are the orchestrator. Delegate a bounded coding task to a separate implementer, the GitHub Copilot CLI, then review what it produced and land it yourself. You write the brief and own the judgment; the implementer makes changes in its own session in a clean working tree; you verify and commit.

The loop needs only a shell command and file access, so any comparable orchestrator can drive it.

When NOT to use this

• The task is small enough to do inline; delegation overhead is not worth it.
• The copilot CLI is not installed or authenticated.
• You need a hard sandbox. Copilot exposes sandbox controls, but they are upstream-experimental (MXC-based, controlled via the /sandbox command and settings, disabled by default), this relay does not configure them. --read-only only disables edit tools (--mode plan); shell commands still run. If project files must not change at all, dispatch against a clean or isolated worktree.

Prerequisites (check once)

1. Install copilot (npm install -g @github/copilot; the CLI requires Node 22+, the relay itself runs on Node 18+, the relay probes copilot version).
2. Authenticate: run copilot login (interactive web/device flow), or set COPILOT_GITHUB_TOKEN / GH_TOKEN / GITHUB_TOKEN in the environment.
3. Confirm copilot version succeeds.
4. Work in, or point --cd at, the target git repository.

Choose the model (optional)

Copilot picks a default model (auto). To choose another, pass --model <name>. The relay accepts letters, digits, and . _ : / - only (the value reaches a shell on Windows).

Choose the effort (optional)

Copilot supports a reasoning effort dial: --effort <level> with values low, medium, high, xhigh, or max. The relay rejects any other value before dispatch.

The loop

Run these five steps per task. Steps 1, 4, and 5 require judgment; 2 and 3 are mechanical.

1. Write a brief