evalloop

PackFiles & storage

Lets your agent automatically improve prompts by testing them against an evaluation score.

Unavailable. Delivery for this kind is on the roadmap — not serving yet.

Add ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.

About this app

Autonomous prompt optimization using Karpathy's autoresearch pattern. Editable file + fixed eval metric + autonomous improvement loop.

Signals

GitHub stars
4k
Forks
312
Last commit
Aug 2026
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Item type
plugin
Key
anthropics-claude-plugins-community-evalloop
Source
github.com/anthropics/claude-plugins-community