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Loop Engineering

AI Agent Updated 2026.08.30

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Please install @user_d0deb03a/project-loop-engineering according to https://skillhub.cn/install/skillhub.md.

About this skill

The Problem

When an AI agent runs multi-turn autonomous work, the failure mode is often not a bad answer but missing infrastructure: no trigger, isolation, verification, durable memory, or circuit breaker. Manually patching prompts each round leaks in predictable ways: parallel edits conflict, the model scores its own work, constraints drift after many turns, and progress lives only in context.

How It Works

Loop Engineering treats prompt loops as production-line design. It organizes a loop around six components:

  • Trigger: use /loop for periodic monitoring and /goal until a verifiable condition is true.
  • Isolation: give each parallel task its own git worktree to avoid file-level conflicts.
  • Knowledge: encode build commands, red lines, and past pitfalls in SKILL.md so every round reads the same project facts.
  • Action: use connectors / MCP to read issues, databases, Slack, PRs, and other real workflows.
  • Verification: separate maker and checker, with a stronger reviewer agent checking spec and skill.
  • Memory: persist state to files, boards, or structured progress records so the next round can continue.

Boundaries

Use it for tasks with automatically verifiable outcomes: tests pass, lint clean, builds succeed, issues triaged, PRs reviewed. Avoid open-ended research or fuzzy goals. Validate one core step first, then set maximum rounds, maximum runtime, and a fallback path for failures.

Use Cases

  • When PR reviews and CI failures need continuous follow-up, run `/loop` every 1 to 5 minutes to inspect and triage issues and PRs.
  • Use `/goal` with verifiable stop conditions such as tests passing, lint clean, and build success to drive an agent until completion.
  • When multiple agents modify the same repo in parallel, assign each task an isolated `worktree` to avoid conflicts and clean it up afterward.
  • Connect issues, Slack, databases, and PRs through MCP so the loop can open PRs, update tickets, and ping channels automatically.

Best For

  • Engineers running agent-based code review or CI operations who need repeated checks as loops with verifiable stop conditions.
  • Developers using MCP toolchains who need agents to read and write issues, databases, Slack, and PRs.
  • Platform engineers coordinating parallel agents who need workspace isolation and separated maker-checker roles.
  • Senior engineers building long-running automations who need durable memory, max rounds, runtime limits, and fallback paths.