Agent · published 2026-03-31 · added 2026-08-21 · github.com

Harness Evolver

What it is

An automated optimization framework for AI agent systems that uses multi-agent evolution to iteratively improve system prompts, routing, and orchestration code. It leverages LangSmith for evaluation and employs a multi-wave proposal system with automated merging and regression guards.

The problem it solves

The difficulty and manual effort required to iteratively optimize and debug complex LLM agent behaviors and orchestrations.

What you could use it for

llmai-agentslangsmithoptimizationautomationclaude-code

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Summary written by an AI model from the source; check the source before you rely on it.