Adk Verify Snippets
google/adk-python
Checks that every Python code block in a Markdown file actually compiles and runs, by extracting each block to a temporary file, executing it in an isolated subprocess, and writing a pass/fail…
Generate starter unit tests for a small function or module. An agent skill from proflead/codex-skills-library.
Install Unit Test Starter
$ npx skills add proflead/codex-skills-library --skill unit-test-starter -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install proflead/codex-skills-library unit-test-starter --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/proflead/codex-skills-library.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/testing/unit-test-starter .claude/skills/unit-test-starter && 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 "unit-test-starter" agent skill from https://github.com/proflead/codex-skills-library/tree/master/skills/testing/unit-test-starter into .claude/skills/unit-test-starter/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unit-test-starter", 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/proflead/codex-skills-library/tree/master/skills/testing/unit-test-starterType 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 proflead/codex-skills-library --skill unit-test-starter -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install proflead/codex-skills-library unit-test-starter --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/proflead/codex-skills-library.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/testing/unit-test-starter .agents/skills/unit-test-starter && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "unit-test-starter" agent skill from https://github.com/proflead/codex-skills-library/tree/master/skills/testing/unit-test-starter into .agents/skills/unit-test-starter/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unit-test-starter", 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 proflead/codex-skills-library --skill unit-test-starter -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install proflead/codex-skills-library unit-test-starter --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/proflead/codex-skills-library.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/testing/unit-test-starter .cursor/skills/unit-test-starter && 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 "unit-test-starter" agent skill from https://github.com/proflead/codex-skills-library/tree/master/skills/testing/unit-test-starter into .cursor/skills/unit-test-starter/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unit-test-starter", 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/proflead/codex-skills-library.git --path skills/testing/unit-test-starter--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 proflead/codex-skills-library --skill unit-test-starter -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install proflead/codex-skills-library unit-test-starter --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/proflead/codex-skills-library.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/testing/unit-test-starter .gemini/skills/unit-test-starter && 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 "unit-test-starter" agent skill from https://github.com/proflead/codex-skills-library/tree/master/skills/testing/unit-test-starter into .gemini/skills/unit-test-starter/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unit-test-starter", 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 proflead/codex-skills-library unit-test-starterInstalls 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 proflead/codex-skills-library --skill unit-test-starter -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/proflead/codex-skills-library.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/testing/unit-test-starter .github/skills/unit-test-starter && 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 "unit-test-starter" agent skill from https://github.com/proflead/codex-skills-library/tree/master/skills/testing/unit-test-starter into .github/skills/unit-test-starter/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unit-test-starter", 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 proflead/codex-skills-library --skill unit-test-starter -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install proflead/codex-skills-library unit-test-starter --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/proflead/codex-skills-library.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/testing/unit-test-starter .opencode/skills/unit-test-starter && 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 "unit-test-starter" agent skill from https://github.com/proflead/codex-skills-library/tree/master/skills/testing/unit-test-starter into .opencode/skills/unit-test-starter/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unit-test-starter", 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
unit-test-starter- GitHub stars
- 155
- Token cost
- ~209 tokens
- SKILL.md length
- 96 words
- Files
- 1
- Skills in repo
- 10
- Repo updated
- First seen
- Licence
- None found
At a glance
Generate starter unit tests for a small function or module. An agent skill from proflead/codex-skills-library.
- Works in 4 steps: Identify core behaviors and failure… → Propose table-driven cases with inputs… → Highlight one edge case and one negative… → …
- A junior developer needs test scaffolding and edge cases
- SKILL.md covers Purpose, Inputs to request, Workflow and Output, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Unit Test Starter is an agent skill from proflead/codex-skills-library. Generate starter unit tests for a small function or module. Use when a junior developer needs test scaffolding and edge cases.
Its SKILL.md is about 210 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 Unit testing and Test generation. The repository describes itself as: Codex Skills Library is a curated library of reusable Codex skills for developers, individuals, and teams.
When your agent uses it
- A junior developer needs test scaffolding and edge cases
- Tasks that involve Unit testing
- Tasks that involve Test generation
Example prompts
- “/unit-test-starter”
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Identify core behaviors and failure cases from the function signature.
- Propose table-driven cases with inputs and expected outputs.
- Highlight one edge case and one negative case.
- Show how to run the tests.
What it can do on your machine
Read from SKILL.md and the folder at commit a05260c. 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
Unit Test Starter loads about 209 tokens when it runs. Until then it costs about 36 tokens; SKILL.md has 96 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
Without a licence we can't republish the file, so here is its outline and opening line. It has 96 words (~209 tokens).
“Generate starter unit tests for a small function or module.”
- name
- unit-test-starter
Files
Just SKILL.md in skills/testing/unit-test-starter of proflead/codex-skills-library.
Open the folder on GitHubat commit a05260c
Compare with similar skills
Unit Test Starter 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 |
|---|---|---|---|---|---|---|
| Unit Test Starter this skillproflead/codex-skills-library | 155 | — | ~209 | Automated safety check: Pass | None | |
| Adk Verify Snippetsgoogle/adk-python | 22k | — | ~1.4k | Automated safety check: Pass | Apache-2.0 | |
| Hermetic Python Unit TestsdimensionalOS/dimos | 4.6k | — | ~1.4k | Automated safety check: Pass | Custom licence | |
| OpenROAD Module Test AdderThe-OpenROAD-Project/OpenROAD | 3.2k | — | ~1.8k | Automated safety check: Pass | BSD-3-Clause | |
| Concept Page Test Writerleonardomso/33-js-concepts | 67k | — | ~5.5k | Automated safety check: Pass | MIT | |
| ScottPlot Test RunnerScottPlot/ScottPlot | 6.8k | — | ~308 | Automated safety check: Pass | MIT |
Similar skills
- Official
Hermetic Python Unit Tests
dimensionalOS/dimos
Rules for writing, fixing and reviewing pytest unit tests that are hermetic: behavior-focused, deterministic, isolated and cheap to run.
OpenROAD Module Test Adder
The-OpenROAD-Project/OpenROAD
Adds integration or unit tests to an OpenROAD module: writes the Tcl test, generates golden files and registers it in both CMake and Bazel.
Concept Page Test Writer
leonardomso/33-js-concepts
Generates Vitest tests for every runnable code example on a JavaScript concept documentation page, following a four-phase extraction and conversion process.
ScottPlot Test Runner
ScottPlot/ScottPlot
Run or add ScottPlot 5 tests. Use for unit-test and cookbook-test work; unless explicitly asked otherwise, restrict manual test execution to the Unit Tests…
- Official
Testing iOS Code
bitwarden/ios
Write tests, add test coverage, unit test, or add missing tests for Bitwarden iOS.
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Questions about Unit Test Starter
What does Unit Test Starter do?
Generate starter unit tests for a small function or module. An agent skill from proflead/codex-skills-library. Unit Test Starter is an agent skill from proflead/codex-skills-library. Generate starter unit tests for a small function or module.
When should I use Unit Test Starter?
Unit Test Starter fits situations like: A junior developer needs test scaffolding and edge cases; tasks that involve Unit testing; tasks that involve Test generation.
How do I install Unit Test Starter in Claude Code?
Run `npx skills add proflead/codex-skills-library --skill unit-test-starter -a claude-code`. Or copy the skill folder (skills/testing/unit-test-starter in proflead/codex-skills-library) into .claude/skills/unit-test-starter in your project. Claude Code loads it when a task matches its description.
How do I install Unit Test Starter in Codex?
Run `npx skills add proflead/codex-skills-library --skill unit-test-starter -a codex`. Or copy the skill folder (skills/testing/unit-test-starter in proflead/codex-skills-library) into .agents/skills/unit-test-starter in your project. Codex loads it when a task matches its description.
Can I use Unit Test Starter 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 proflead/codex-skills-library --skill unit-test-starter -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/unit-test-starter, .gemini/skills/unit-test-starter, .github/skills/unit-test-starter and .opencode/skills/unit-test-starter in your project.
What does Unit Test Starter need to run?
SKILL.md names no scripts, command-line tools or credentials: Unit Test Starter is instructions for the agent only.
Does Unit Test Starter 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 Unit Test Starter 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 Unit Test Starter use?
No licence was found for Unit Test Starter or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Unit Test Starter use?
About 209 tokens (SKILL.md is roughly 836 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 Unit Test Starter?
Skills that share tags, products or a category with Unit Test Starter: Adk Verify Snippets (google/adk-python, 22k stars), Hermetic Python Unit Tests (dimensionalOS/dimos, 4.6k stars), OpenROAD Module Test Adder (The-OpenROAD-Project/OpenROAD, 3.2k stars) and Concept Page Test Writer (leonardomso/33-js-concepts, 67k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Unit Test Starter?
proflead (a GitHub user) maintains it in proflead/codex-skills-library, which has 155 GitHub stars. The repository holds 10 skills in this directory. The repository was last updated on July 29, 2026.
Source: proflead/codex-skills-library on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.