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Add Harness Evolver to Developer Tools#26

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raphaelchristi wants to merge 1 commit intovon-development:mainfrom
raphaelchristi:add-harness-evolver
Closed

Add Harness Evolver to Developer Tools#26
raphaelchristi wants to merge 1 commit intovon-development:mainfrom
raphaelchristi:add-harness-evolver

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Summary

What it is

A Claude Code plugin that automates the agent improvement loop using LangSmith Datasets, Experiments, and LLM-as-judge evaluation. Spawns parallel proposer agents that evolve any LangGraph/LangChain agent code autonomously in isolated git worktrees.

Why it fits the LangGraph ecosystem

  • Uses LangSmith as the sole evaluation backend (Datasets, Experiments, Feedback)
  • Designed specifically to optimize LangGraph and LangChain agents
  • Traces and counterfactual analysis via LangSmith SDK

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2 participants