harness

Orchestrate autonomous planning, coding, and evaluation loops for software features.

5|Updated Apr 12, 2026
One-click install
npx skills add https://github.com/Zzzlaya/claude-harness --skill harness-zzzlaya
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: harness
Source: https://github.com/Zzzlaya/claude-harness/tree/main/skills/harness
Command: npx skills add https://github.com/Zzzlaya/claude-harness --skill harness-zzzlaya

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the process of building software features by orchestrating a continuous loop of planning, code generation, and evaluation, reducing manual effort and ensuring iterative improvement.

Core Features & Use Cases

  • Automated Feature Development: Coordinates a three-phase loop to generate and validate code based on user briefs.
  • Iterative Refinement: Repeatedly refines the feature until it passes success criteria or reaches set iteration limits.
  • Use Case: Developers can specify a complex feature in natural language, and this Skill manages the entire build and test process automatically.

Quick Start

Describe the feature you want built, such as "add a theme toggle to the settings page," and the Skill will initiate construction and testing automatically.

Frequently Asked Questions about harness

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate feature building with LLM-driven development loops?

You can automate feature development by providing a natural language brief describing what you want built. The Skill then orchestrates a continuous loop of planning, code generation, and evaluation to construct and validate the feature automatically.

How does iterative code refinement work for autonomous software development?

Iterative code refinement works by repeatedly executing coding and evaluation cycles until success criteria are met or iteration limits are reached. The Skill ensures strict control over step execution and state management to maintain reliable development workflows.

Can I use natural language briefs to generate and test code automatically?

Yes, you can use natural language briefs to generate and test code automatically. You simply describe the feature you want built, such as adding a theme toggle, and the Skill initiates construction and testing autonomously.

What are the limitations of autonomous LLM orchestration for building features?

A key limitation of autonomous LLM orchestration is that iterative refinement stops once it reaches set iteration limits. If the generated code does not pass success criteria within those bounds, the automated development loop will conclude.