raphaelchristi/harness-evolver

Automated harness evolution for AI agents. A Claude Code plugin that iteratively optimizes system prompts, routing, retrieval, and orchestration code using full-trace counterfactual diagnosis. Based on Meta-Harness (Lee et al., 2026).

This repository also configures its own agents. See what harness-evolver tells them →

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6mo agoLast push, which is what freshness is scored on
MITLicence, which decides whether bodies are shown