Luck9Star

Harness Dev — Development skill for Claude Code

Development community

Run the OpenHarness autonomous development loop — plan, code, evaluate, iterate.

How to install Harness Dev

Installs to ~/.claude/skills/luck9star-openharness-for-claudecode-harness-dev/SKILL.md

Terminal

mkdir -p ~/.claude/skills/luck9star-openharness-for-claudecode-harness-dev && curl -fsSL https://raw.githubusercontent.com/Luck9Star/OpenHarness-For-ClaudeCode/HEAD/commands/harness-dev.md -o ~/.claude/skills/luck9star-openharness-for-claudecode-harness-dev/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Harness Dev does

description: "Run the OpenHarness autonomous development loop — plan, code, evaluate, iterate" argument-hint: "[--mode single|dual] [--max-iterations N] [--resume]" allowed-tools: ["Bash", "Task", "Read", "Write", "Edit"]

You are running the OpenHarness autonomous development loop. This is a loop execution protocol — you MUST follow every step below.

PRE-FLIGHT CHECKS — ALL must pass before doing any work:

.claude/harness-state.json MUST exist — if not, tell user to run `/harn

Alternatives in Development

Ralph Loop — Autonomous coding loop — works through tasks, commits, repeats 14k ★
Iterate Implementation Plan — You are tasked with updating existing implementation plans based on user feedback 10k ★
Ralphy — My Ralph Wiggum setup, an autonomous bash script that runs Claude Code, Codex, OpenCode, Cursor agent, Qwen & 2.8k ★