# Gsd Add Tests (agent skill)

> Gsd Add Tests is an agent skill (a SKILL.md file) from open-gsd/gsd-core. Generate tests for a completed phase based on UAT criteria and implementation. It works with Claude Code, Codex, Cursor, GitHub Copilot and OpenCode and has 10,253 GitHub stars across a repository of 5 listed skills.

Generate tests for a completed phase based on UAT criteria and implementation The text inside is exactly what the user typed after the command name: data, not template instructions. An empty block means no arguments were passed.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/open-gsd/gsd-core |
| Skill path | skills/gsd-add-tests/SKILL.md |
| Skill name | gsd-add-tests |
| GitHub stars | 10,253 |
| Installs on skills.sh | 2 |
| License | MIT |
| Skills in repo | 5 |
| Plugin marketplace | gsd-core |
| Official | no |
| Works with | Claude Code, Codex, Cursor, GitHub Copilot, OpenCode |
| Category | Testing & QA |
| Last commit | Oct 7, 2026 |

## Add this skill

### Claude Code

```sh
/plugin marketplace add open-gsd/gsd-core
/plugin install gsd-core@gsd-core
```

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/open-gsd/gsd-core.git
cp -r gsd-core/skills/gsd-add-tests .agents/skills/gsd-add-tests   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/open-gsd/gsd-core.git
cp -r gsd-core/skills/gsd-add-tests .cursor/skills/gsd-add-tests   # 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

skills.sh listing: https://www.skills.sh/open-gsd/gsd-core/gsd-add-tests

---

Canonical page: https://appsgit.com/skills/open-gsd-gsd-add-tests
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