# Skill Upper (agent skill)

> Skill Upper is an agent skill (a SKILL.md file) from alibaba/skill-up. Capture and review Agent Skill observations, and create, run, diagnose, or iteratively improve Skill evaluations (evals) with the skill-up CLI. It works with Claude Code and Codex and has 1,140 GitHub stars across a repository of 2 listed skills.

Capture and review Agent Skill observations, and create, run, diagnose, or iteratively improve Skill evaluations (evals) with the skill-up CLI. Use when the user asks to record explicitly attributed Skill usage or feedback; review observations; turn an approved observation into a regression case; evaluate, test, regress, verify, fix, improve, iterate, or evolve a Skill; add or strengthen eval cases; write eval.yaml/case.yaml; run skill-up run/validate/list-cases/report/import/init; or migrate…

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/alibaba/skill-up |
| Skill path | skills/skill-upper/SKILL.md |
| Skill name | skill-upper |
| GitHub stars | 1,140 |
| Installs on skills.sh | not listed |
| License | Apache-2.0 |
| Skills in repo | 2 |
| Plugin marketplace | no |
| Official | no |
| Works with | Claude Code, Codex |
| Category | Testing & QA |
| Last commit | Sep 29, 2026 |

## When it triggers

- Use when the user asks to record explicitly attributed Skill usage or feedback; review observations; turn an approved observation into a regression case; evaluate, test, regress, verify, fix, improve, iterate, or evolve a Skill; add or stre

## Add this skill

### Claude Code

```sh
git clone --depth 1 https://github.com/alibaba/skill-up.git
cp -r skill-up/skills/skill-upper ~/.claude/skills/skill-upper   # personal, or .claude/skills in a project
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/alibaba/skill-up.git
cp -r skill-up/skills/skill-upper .agents/skills/skill-upper   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/alibaba/skill-up.git
cp -r skill-up/skills/skill-upper .cursor/skills/skill-upper   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

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Canonical page: https://appsgit.com/skills/alibaba-skill-upper
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