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Harness Evolver

plugin

Autonomous LLM agent optimization using LangSmith. Spawns 5 parallel proposers in git worktrees, evaluates candidates via LangSmith experiments, and merges winners automatically. Includes evaluator agent (LLM-as-judge via langsmith-cli), critic, architect, and testgen agents. No external API keys needed beyond LangSmith.

Works with: Claude Code, Cursor, Claude Desktop, Codex CLI, Gemini CLI, Cline, Windsurf, VS Code

Category: Dev Tools & CI — see all ranked ›

Security audit

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source ↗  ·  plugin:raphaelchristi/harness-evolver/harness-evolver

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