by evo-hq · Claude Skill · ★ 621
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evo A plugin for Claude Code and Codex that optimizes code through experiments. You give it a codebase. It discovers metrics to optimize, sets up the evaluation, and starts running experiments in a loop -- trying things, keeping what improves the score, throwing away what doesn't. Inspired by Karpathy's autoresearch -- where an LLM runs training experiments autonomously to beat its own best score. Autoresearch is a pure hill climb: try something, keep or revert, repeat on a single branch. Evo adds structure on top of that idea: Tree search over greedy hill climb. Multiple directions can fork from any committed node, so exploration doesn't collapse to one path. Parallel semi-autonomous agents. Spawn multiple subagents and run them simultaneously, each in its own git worktree. Each subagent reads traces, formulates hypotheses, and can run multiple iterations within its branch. Shared state. Failure traces, annotations, and discarded hypotheses are accessible to every agent before it decides what to try next. Gating. Regression tests or safety checks can be wired up as a gate. Experiments that don't pass get discarded. Observability. A dashboard to monitor your experiments.
| Stars | 621 |
| Forks | 52 |
| Language | Python |
| Category | Claude Skill |
| License | Apache-2.0 |
| Quality Score | 55.468/100 |
| Open Issues | 9 |
| Last Updated | 2026-05-02 |
| Created | 2026-04-05 |
| Platforms | claude-code, codex, python |
| Est. Tokens | ~731k |
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evo is A plugin for Claude Code and Codex that turns your codebase into an autoresearch loop — discovers what to measure, instruments the benchmark, then runs tree search with parallel subagents.. It is categorized as a Claude Skill with 621 GitHub stars.
evo is primarily written in Python. It covers topics such as agent-skills, autonomous-agents, autoresearch.
You can find installation instructions and usage details in the evo GitHub repository at github.com/evo-hq/evo. The project has 621 stars and 52 forks, indicating an active community.
evo is released under the Apache-2.0 license, making it free to use and modify according to the license terms.
The top alternatives to evo on Agent Skills Hub include awesome-autoresearch, awesome-autoresearch, NanoResearch. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.