Overview
agent-evals is an open-source workflow skill for Claude Code and compatible agents, published by sickn33. Its author describes it as: “Build automated evaluation suites for AI agents using golden datasets, rubrics, and regression gates. Use when shipping agent features, validating prompt changes, or gating deployments on quality.”. The project has 47k stars on GitHub and is available under the MIT license. Add it to your setup with `/plugin marketplace add sickn33/agentic-awesome-skills`.
What agent-evals does
Create repeatable checks so agent behavior improves safely over time.
What’s inside
The SKILL.md for agent-evals is organised into these sections:
- When to Use This Skill
- Prerequisites
- Evaluation Layers
- Unit Evals — Prompt-Level Correctness
- Tool Evals — Decision Quality
- End-to-End Evals — Multi-Step Tasks
- Safety Evals — Adversarial Resistance
- LLM-as-Judge Scoring
- Promptfoo Configuration
- CI/CD Integration
- GitHub Actions
- Makefile Targets
Installation
Add agent-evals to your agent with:
/plugin marketplace add sickn33/agentic-awesome-skillsReview a skill’s source before installing it — skills can instruct your agent to run commands. This command comes from the skill’s public repository, which is the source of truth for setup steps. New to skills? Read how to install Claude Code skills.
Supported agents
- Claude Code — ships a claude code plugin marketplace
- Codex — declared in the repository topics
- Cursor — declared in the repository topics
- Gemini CLI — declared in the repository topics
- Antigravity — declared in the repository topics
License
agent-evals is published under the MIT license.
Strengths
- Clear MIT license — safe to read and adapt within its terms
- Ships in sickn33/agentic-awesome-skills, an established project with 46,693 GitHub stars
- Works with Claude Code, Codex, Cursor, Gemini CLI, Antigravity
- Actively maintained — repository updated in the last 30 days
Author
Topics
Alternatives to agent-evals
Similar skills from other repositories:
Frequently asked questions
- What does agent-evals do?
- Build automated evaluation suites for AI agents using golden datasets, rubrics, and regression gates. Use when shipping agent features, validating prompt changes, or gating deployments on quality.
- How do I install agent-evals?
- Run /plugin marketplace add sickn33/agentic-awesome-skills in your agent, then reload your skills. Review the source at https://github.com/sickn33/agentic-awesome-skills before installing.
- Is agent-evals free to use?
- Yes. agent-evals is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Which agents does agent-evals work with?
- agent-evals lists Claude Code, Codex, Cursor, Gemini CLI, and Antigravity — named in its SKILL.md, its plugin marketplace or its repository topics. Skills use the portable SKILL.md format, so other agents that read that format may load it too.
- Where does agent-evals come from?
- agent-evals ships inside sickn33/agentic-awesome-skills, a repository that contains 70 catalogued skills in total. The repository's 46,693 GitHub stars apply to that whole collection, not to this skill on its own.