# Eval Graphics (agent skill)

> Eval Graphics is an agent skill (a SKILL.md file) from elvisun/newsjack. Turn an eval study's numbers into on-brand, publish-ready figures using the Newsjack chart room (the eval design system), then validate them with Playwright. It works with Claude Code and Codex and has 1,515 GitHub stars across a repository of 2 listed skills.

Turn an eval study's numbers into on-brand, publish-ready figures using the Newsjack chart room (the eval design system), then validate them with Playwright. For producing the charts in a published eval/data study. Internal tooling, not a product skill. This lives in eval/design-system/ and is used by maintainers to publish eval studies. It is not a Newsjack user skill, must never be installed into skills/, and is never loaded at product runtime. Do not confuse it with the main skills folder.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/elvisun/newsjack |
| Skill path | eval/design-system/SKILL.md |
| Skill name | eval-graphics |
| GitHub stars | 1,515 |
| Installs on skills.sh | not listed |
| License | MIT |
| Skills in repo | 2 |
| Plugin marketplace | newsjack |
| Official | no |
| Works with | Claude Code, Codex |
| Category | Design & frontend |
| Last commit | Oct 7, 2026 |

## Add this skill

### Claude Code

```sh
/plugin marketplace add elvisun/newsjack
/plugin install newsjack@newsjack
```

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/elvisun/newsjack.git
cp -r newsjack/eval/design-system .agents/skills/eval-graphics   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/elvisun/newsjack.git
cp -r newsjack/eval/design-system .cursor/skills/eval-graphics   # 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/elvisun-eval-graphics
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