Spikard
Goldziher/spikard
Scaffold Spikard projects and generate code from OpenAPI, AsyncAPI, OpenRPC, GraphQL, and Protobuf schemas using the Spikard CLI or its MCP server.
This skill MUST be used when the user asks to write tests, add tests, create test cases, run/execute/re-run/debug tests, test a specific class or method, or when working on any Test.php file in this…
Install Test Writing
$ npx skills add shopsys/shopsys --skill test-writing -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install shopsys/shopsys test-writing --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/shopsys/shopsys.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/test-writing .claude/skills/test-writing && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "test-writing" agent skill from https://github.com/shopsys/shopsys/tree/20.0/.agents/skills/test-writing into .claude/skills/test-writing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-writing", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/shopsys/shopsys/tree/20.0/.agents/skills/test-writingType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add shopsys/shopsys --skill test-writing -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install shopsys/shopsys test-writing --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/shopsys/shopsys.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/test-writing .agents/skills/test-writing && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "test-writing" agent skill from https://github.com/shopsys/shopsys/tree/20.0/.agents/skills/test-writing into .agents/skills/test-writing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-writing", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add shopsys/shopsys --skill test-writing -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install shopsys/shopsys test-writing --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/shopsys/shopsys.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/test-writing .cursor/skills/test-writing && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "test-writing" agent skill from https://github.com/shopsys/shopsys/tree/20.0/.agents/skills/test-writing into .cursor/skills/test-writing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-writing", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/shopsys/shopsys.git --path .agents/skills/test-writing--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add shopsys/shopsys --skill test-writing -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install shopsys/shopsys test-writing --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/shopsys/shopsys.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/test-writing .gemini/skills/test-writing && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "test-writing" agent skill from https://github.com/shopsys/shopsys/tree/20.0/.agents/skills/test-writing into .gemini/skills/test-writing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-writing", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install shopsys/shopsys test-writingInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add shopsys/shopsys --skill test-writing -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/shopsys/shopsys.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/test-writing .github/skills/test-writing && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "test-writing" agent skill from https://github.com/shopsys/shopsys/tree/20.0/.agents/skills/test-writing into .github/skills/test-writing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-writing", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add shopsys/shopsys --skill test-writing -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install shopsys/shopsys test-writing --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/shopsys/shopsys.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/test-writing .opencode/skills/test-writing && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "test-writing" agent skill from https://github.com/shopsys/shopsys/tree/20.0/.agents/skills/test-writing into .opencode/skills/test-writing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "test-writing", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
test-writing- GitHub stars
- 350
- Token cost
- ~436 tokens
- SKILL.md length
- 143 words
- Files
- 1
- Skills in repo
- 38
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
This skill MUST be used when the user asks to write tests, add tests, create test cases, run/execute/re-run/debug tests, test a specific class or method, or when working on any Test.php file in this…
- Asks to write tests
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Create test cases
- Run/execute/re-run/debug tests
What it does
Test Writing is an agent skill from shopsys/shopsys. This skill MUST be used when the user asks to write tests, add tests, create test cases, run/execute/re-run/debug tests, test a specific class or method, or when working on any Test.php file in this Shopsys application. Applies codebase-specific best practices across unit, functional, GraphQL API, and smoke test layers.
Its SKILL.md is about 440 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Testing & QA, covering Test generation, GraphQL and QA and bug reports. It works with GraphQL and PHP. The repository describes itself as: Main repository for maintaining Shopsys Platform packages. Open for ISSUES and PULL REQUESTS.
When your agent uses it
- Asks to write tests
- Create test cases
- Run/execute/re-run/debug tests
- Test a specific class
Example prompts
- “/test-writing”
What it can do on your machine
Read from SKILL.md and the folder at commit 3c4bf38. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Test Writing loads about 436 tokens when it runs. Until then it costs about 84 tokens; SKILL.md has 143 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 143 words (~436 tokens).
“The canonical instructions for this skill are authored from the project perspective. Read them first:”
- name
- test-writing
- version
- 1.0.0
Files
Just SKILL.md in .agents/skills/test-writing of shopsys/shopsys.
Open the folder on GitHubat commit 3c4bf38
Compare with similar skills
Test Writing next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Test Writing this skillshopsys/shopsys | 350 | — | ~436 | Automated safety check: Pass | Custom licence | |
| SpikardGoldziher/spikard | 123 | — | ~799 | Automated safety check: Pass | MIT | |
| Shopifyericrisco/rsc-harness | 167 | — | ~3.2k | Automated safety check: Pass | MIT | |
| Senior QAnicepkg/auto-company | 192 | 3 repos | ~1.1k | Automated safety check: Notes | None | |
| Staticphp Build Troubleshootingcrazywhalecc/static-php-cli | 1.9k | — | ~814 | Automated safety check: Pass | MIT | |
| QA Test Plannermeshery/meshery-operator | 151 | 5 repos | ~4.6k | Automated safety check: Pass | Apache-2.0 |
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Related
Categories
Questions about Test Writing
What does Test Writing do?
This skill MUST be used when the user asks to write tests, add tests, create test cases, run/execute/re-run/debug tests, test a specific class or method, or when working on any Test.php file in this…. Test Writing is an agent skill from shopsys/shopsys.php file in this Shopsys application.
When should I use Test Writing?
Test Writing fits situations like: asks to write tests; create test cases; run/execute/re-run/debug tests; test a specific class.
How do I install Test Writing in Claude Code?
Run `npx skills add shopsys/shopsys --skill test-writing -a claude-code`. Or copy the skill folder (.agents/skills/test-writing in shopsys/shopsys) into .claude/skills/test-writing in your project. Claude Code loads it when a task matches its description.
How do I install Test Writing in Codex?
Run `npx skills add shopsys/shopsys --skill test-writing -a codex`. Or copy the skill folder (.agents/skills/test-writing in shopsys/shopsys) into .agents/skills/test-writing in your project. Codex loads it when a task matches its description.
Can I use Test Writing in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add shopsys/shopsys --skill test-writing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/test-writing, .gemini/skills/test-writing, .github/skills/test-writing and .opencode/skills/test-writing in your project.
What does Test Writing need to run?
SKILL.md names no scripts, command-line tools or credentials: Test Writing is instructions for the agent only.
Does Test Writing access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Test Writing safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Test Writing use?
Test Writing has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Test Writing use?
About 436 tokens (SKILL.md is roughly 1.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Test Writing?
Skills that share tags, products or a category with Test Writing: Spikard (Goldziher/spikard, 123 stars), Shopify (ericrisco/rsc-harness, 167 stars), Senior QA (nicepkg/auto-company, 192 stars) and Staticphp Build Troubleshooting (crazywhalecc/static-php-cli, 1.9k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Test Writing?
shopsys (a GitHub organization) maintains it in shopsys/shopsys, which has 350 GitHub stars. The repository holds 38 skills in this directory. The repository was last updated on October 7, 2026.
Source: shopsys/shopsys on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.