OpenJudge

by agentscope-ai

OpenJudge is an AI Engineering skill for Claude Code, published by agentscope-ai in OpenJudge.

797 stars64 forkson agentscope-ai/OpenJudgeAdded 2026/08/23+1% in starsRepository updated 2026/08/03

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agentagent-skillsai-agentalignmentevaluationgraderllmrewardreward-modelrlhfskill-mdskills

Install in seconds

Install OpenJudge

Copy OpenJudge into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/agentscope-ai/OpenJudge/tree/main/skills/openjudge ~/.claude/skills/openjudge

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/agentscope-ai/OpenJudge.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/openjudge/SKILL.md in agentscope-ai/OpenJudge
Installs to: ~/.claude/skills/openjudge
Collection: One of 18 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What OpenJudge does

OpenJudge builds evaluation pipelines for LLM outputs using graders, batch runners, aggregators, and analysis tools. Use it to score responses, compare models, and inspect results statistically.

OpenJudge is cataloged under AI Engineering on DirSkills. OpenJudge comes from a repository tagged agent, agent-skills, ai-agent, alignment and evaluation.

Documentation

README

Excerpt

OpenJudge Skill

Build evaluation pipelines for LLM applications using the openjudge library.

When to Use This Skill

User wants to evaluate LLM output quality (correctness, relevance, hallucination, etc.)
User wants to compare two or more models and rank them
User wants to design a scoring rubric and automate evaluation
User wants to analyze evaluation results statistically
User wants to build a reward model or quality filter

Sub-documents — Read When Relevant

This is the opening of the README. Read the full README on GitHub.

Frequently asked about OpenJudge

What else does agentscope-ai publish alongside OpenJudge?
OpenJudge is one of 18 skills that DirSkills catalogs from agentscope-ai/OpenJudge, the repository it ships in. Its siblings there include Align Human, Auto Arena and BibTeX Verification. Each one is a separate skill with its own page in this directory, installs the same way OpenJudge does, and is maintained by agentscope-ai in that same repository. The rest of the collection is listed on the agentscope-ai/OpenJudge page.
How does OpenJudge compare to other AI Engineering skills?
OpenJudge ranks #1628 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of OpenJudge against them. Open each page to compare what they document and how they install.