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How to compare coding agents on one task in Git worktrees with Awesome DeepSeek Harness

Run dsh-agent-arena to score coding agents in isolated worktrees and apply the winning change.

Who it is forA team lead or developer choosing between coding agents for a specific repository task.

The problemJudging coding agents by eye is inconsistent, and parallel attempts can collide in one working copy.

The outcomeEach agent works in its own worktree, results are scored, and you explicitly apply the winner.

What you need first

  • Node.js installed, for the npx command that starts the official DSH web runtime
  • pnpm on your PATH, for installing external profile bundles with dsh plugin
  • A project folder or Git repository where the agents can work
  • Review of each third-party plugin's source before installing it

Steps

  1. Open the dsh-agent-arena entry in the Agents & Orchestration section.
  2. Clone it with git clone https://github.com/LeemanCheung/dsh-agent-arena. (inferred, check the README)
  3. Follow the repository's instructions to point it at your project and the agents you want to compare.
  4. Review the deterministic validation and scores, then apply only the winner you choose.

Prompt for your agent

Using the repo 0xsline/awesome-deepseek-harness, set up dsh-agent-arena from github:LeemanCheung/dsh-agent-arena against <project folder> with the task <task description>. Report each agent's validation result and score. Verify that no change is applied until an explicit winner is chosen.

Caveat. The README gives no setup commands for this plugin, so the setup steps depend on its own repository, which you should read first.

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