https://github.com/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).

agent-evolution claude-code-plugin codex-skills harness-engineering meta-harness

Last synced: 07 Apr 2026