Add raphaelchristi/harness-evolver#96
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Adds harness-evolver by @raphaelchristi to the registry.
Repo: https://github.com/raphaelchristi/harness-evolver
Category:
developer-toolsTags:
agent-optimization,langsmith,claude-code,multi-agent,evaluation,prompts,harness,llm-ops,git-worktrees,autonomousLicense: MIT | Version: 6.4.2 | Model: claude-sonnet-4-6
Harness Evolver is a LangSmith-native autonomous optimizer for LLM agent codebases. It iteratively improves prompts, routing, tools, and orchestration architecture through a multi-agent propose-evaluate-merge loop with full git worktree isolation. Tested on a RAG agent: 0.575 → 1.000 correctness (+74%) in 7 iterations.
The GAP files (
agent.yaml+SOUL.md) are proposed to the repo via a companion PR: raphaelchristi/harness-evolver#28 — the registry CI will validate once those files land on main.If GAP looks useful, the project lives at ⭐ https://github.com/open-gitagent/opengap — a star helps more maintainers find the standard.