long-running-harness

Installation
SKILL.md

Long-Running Harness

Orchestrate a multi-agent harness for building complex, long-running applications. Based on Anthropic's harness design for long-running apps.

When to Use

  • Building full applications that require hours of sustained agent work
  • Projects where a single agent session loses coherence or quality
  • Tasks needing iterative generation + evaluation cycles (UI design, full-stack features, games)
  • When you need quality beyond what a single-shot agent produces

Architecture: Three-Agent System

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2
First Seen
Jun 23, 2026