Wobbling Ty Constraint Order
astral-sh/ruff
A skill your agent uses when a user asks to wobble ty constraint ordering, check constraint-set or TDD ordering determinism, test reversed constraint/typevar IDs, or investigate nondeterministic ty…
Test-driven development in Python using uv as the package manager.
Install Python TDD With Uv
$ npx skills add spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install spencerpauly/awesome-cursor-skills python-tdd-with-uv --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/spencerpauly/awesome-cursor-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/resources/python-tdd-with-uv .claude/skills/python-tdd-with-uv && 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 "python-tdd-with-uv" agent skill from https://github.com/spencerpauly/awesome-cursor-skills/tree/main/resources/python-tdd-with-uv into .claude/skills/python-tdd-with-uv/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "python-tdd-with-uv", 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/spencerpauly/awesome-cursor-skills/tree/main/resources/python-tdd-with-uvType 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 spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install spencerpauly/awesome-cursor-skills python-tdd-with-uv --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/spencerpauly/awesome-cursor-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/resources/python-tdd-with-uv .agents/skills/python-tdd-with-uv && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "python-tdd-with-uv" agent skill from https://github.com/spencerpauly/awesome-cursor-skills/tree/main/resources/python-tdd-with-uv into .agents/skills/python-tdd-with-uv/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "python-tdd-with-uv", 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 spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install spencerpauly/awesome-cursor-skills python-tdd-with-uv --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/spencerpauly/awesome-cursor-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/resources/python-tdd-with-uv .cursor/skills/python-tdd-with-uv && 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 "python-tdd-with-uv" agent skill from https://github.com/spencerpauly/awesome-cursor-skills/tree/main/resources/python-tdd-with-uv into .cursor/skills/python-tdd-with-uv/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "python-tdd-with-uv", 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/spencerpauly/awesome-cursor-skills.git --path resources/python-tdd-with-uv--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 spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install spencerpauly/awesome-cursor-skills python-tdd-with-uv --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/spencerpauly/awesome-cursor-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/resources/python-tdd-with-uv .gemini/skills/python-tdd-with-uv && 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 "python-tdd-with-uv" agent skill from https://github.com/spencerpauly/awesome-cursor-skills/tree/main/resources/python-tdd-with-uv into .gemini/skills/python-tdd-with-uv/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "python-tdd-with-uv", 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 spencerpauly/awesome-cursor-skills python-tdd-with-uvInstalls 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 spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/spencerpauly/awesome-cursor-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/resources/python-tdd-with-uv .github/skills/python-tdd-with-uv && 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 "python-tdd-with-uv" agent skill from https://github.com/spencerpauly/awesome-cursor-skills/tree/main/resources/python-tdd-with-uv into .github/skills/python-tdd-with-uv/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "python-tdd-with-uv", 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 spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install spencerpauly/awesome-cursor-skills python-tdd-with-uv --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/spencerpauly/awesome-cursor-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/resources/python-tdd-with-uv .opencode/skills/python-tdd-with-uv && 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 "python-tdd-with-uv" agent skill from https://github.com/spencerpauly/awesome-cursor-skills/tree/main/resources/python-tdd-with-uv into .opencode/skills/python-tdd-with-uv/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "python-tdd-with-uv", 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
python-tdd-with-uv- GitHub stars
- 842
- Token cost
- ~732 tokens
- SKILL.md length
- 189 words
- Files
- 1
- Skills in repo
- 57
- Repo updated
- First seen
- Licence
- CC0-1.0
At a glance
Test-driven development in Python using uv as the package manager.
- Works in 4 steps: Check if uv is installed: uv --version → If the project doesn't have a… → Add pytest as a dev dependency → …
- Tasks that involve Test-driven development
- SKILL.md covers Setting Up the Project, TDD Workflow — Vertical Slicing, uv Essentials and References
- Calls uv
What it does
Python TDD With Uv is an agent skill from spencerpauly/awesome-cursor-skills. Test-driven development in Python using uv as the package manager. Covers the red-green-refactor cycle, vertical slicing, and uv project setup.
Its SKILL.md is about 730 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-driven development. It works with Python. The repository describes itself as: A curated list of awesome skills for Cursor. The licence is CC0-1.0.
When your agent uses it
- Tasks that involve Test-driven development
Example prompts
- “/python-tdd-with-uv”
Requirements
- Python 3
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Check if uv is installed: uv --version
- If the project doesn't have a pyproject.toml, initialize
- Add pytest as a dev dependency
- Confirm the test runner works
What it can do on your machine
Read from SKILL.md and the folder at commit 99cd265. 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
Shell commands in SKILL.md call:
uv
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
github.com
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
Python TDD With Uv loads about 732 tokens when it runs. Until then it costs about 41 tokens; SKILL.md has 189 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
The full file from spencerpauly/awesome-cursor-skills at commit 99cd265, republished under its CC0-1.0 licence (© spencerpauly). 189 words, ~732 tokens.
Download SKILL.mdSave it as
.claude/skills/python-tdd-with-uv/SKILL.md (or your agent's skills folder).- name
- python-tdd-with-uv
- description
- Test-driven development in Python using uv as the package manager. Covers the red-green-refactor cycle, vertical slicing, and uv project setup.
- user-invocable
- true
Python TDD with uv
Write Python code test-first using uv for fast dependency and environment management.
Setting Up the Project
- Check if
uvis installed:uv --version - If the project doesn't have a
pyproject.toml, initialize:bash uv init - Add pytest as a dev dependency:
bash uv add --dev pytest pytest-cov - Confirm the test runner works:
bash uv run pytest --co
TDD Workflow — Vertical Slicing
Work in small cycles. Never write more than one failing test at a time.
Planning Phase
Before writing code, answer:
- What interface changes are needed? (functions, classes, APIs)
- Which behaviors matter most? (prioritize critical paths)
- Can we design for testability? (inject dependencies, avoid global state)
The Cycle
RED → Write ONE failing test for the next behavior
GREEN → Write the MINIMUM code to make it pass
REFACTOR → Clean up without changing behavior
REPEATRules:
- Never write implementation before a failing test exists
- Never write more than one failing test at a time
- Run
uv run pytestafter every change - Tests must assert observable behavior, not implementation details
- Mocks should only be used at system boundaries (I/O, network, clock)
Test File Structure
# tests/test_<module>.py
class TestFeatureName:
"""Group related behaviors."""
def test_does_expected_thing_when_given_input(self):
result = function_under_test(input_value)
assert result == expected
def test_raises_when_given_invalid_input(self):
with pytest.raises(ValueError):
function_under_test(bad_input)Running Tests
uv run pytest # all tests
uv run pytest tests/test_foo.py # single file
uv run pytest -k "test_name" # by name pattern
uv run pytest --cov=src # with coverage
uv run pytest -x # stop on first failureuv Essentials
uv add <package> # add dependency
uv add --dev <package> # add dev dependency
uv remove <package> # remove dependency
uv sync # sync environment from lockfile
uv run <command> # run in managed environment
uv lock # regenerate lockfile- Always use
uv runto execute commands — never activate venvs manually - Commit both
pyproject.tomlanduv.lock
References
- mattpocock/skills — TDD skill — vertical-slice TDD philosophy
- nizos/tdd-guard — automated TDD enforcement via hooks
- s2005/uv-skill — uv workflow patterns
© spencerpauly, CC0-1.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in resources/python-tdd-with-uv of spencerpauly/awesome-cursor-skills.
Open the folder on GitHubat commit 99cd265
Compare with similar skills
Python TDD With Uv 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 |
|---|---|---|---|---|---|---|
| Python TDD With Uv this skillspencerpauly/awesome-cursor-skills | 842 | — | ~732 | Automated safety check: Pass | CC0-1.0 | |
| Wobbling Ty Constraint Orderastral-sh/ruff | 50k | — | ~838 | Automated safety check: Pass | MIT | |
| Test Designjjjkkkjjj/Matft | 147 | — | ~2k | Automated safety check: Pass | BSD-3-Clause | |
| Implement Widgetcryptomilk/hass-eink-dashboard | 116 | — | ~4.8k | Automated safety check: Pass | Apache-2.0 | |
| Python Testingaffaan-m/ECC | 275k | 6 repos | ~4.7k | Automated safety check: Pass | MIT | |
| Python Testingaffaan-m/ECC | 275k | 3 repos | ~4.2k | Automated safety check: Pass | MIT |
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Python Testing
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Python testing strategies using pytest, TDD methodology, fixtures, mocking, parametrization, and coverage requirements.
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Questions about Python TDD With Uv
What does Python TDD With Uv do?
Test-driven development in Python using uv as the package manager. Python TDD With Uv is an agent skill from spencerpauly/awesome-cursor-skills. Test-driven development in Python using uv as the package manager.
When should I use Python TDD With Uv?
Python TDD With Uv fits situations like: tasks that involve Test-driven development.
How do I install Python TDD With Uv in Claude Code?
Run `npx skills add spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a claude-code`. Or copy the skill folder (resources/python-tdd-with-uv in spencerpauly/awesome-cursor-skills) into .claude/skills/python-tdd-with-uv in your project. Claude Code loads it when a task matches its description.
How do I install Python TDD With Uv in Codex?
Run `npx skills add spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a codex`. Or copy the skill folder (resources/python-tdd-with-uv in spencerpauly/awesome-cursor-skills) into .agents/skills/python-tdd-with-uv in your project. Codex loads it when a task matches its description.
Can I use Python TDD With Uv 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 spencerpauly/awesome-cursor-skills --skill python-tdd-with-uv -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/python-tdd-with-uv, .gemini/skills/python-tdd-with-uv, .github/skills/python-tdd-with-uv and .opencode/skills/python-tdd-with-uv in your project.
What does Python TDD With Uv need to run?
Going by SKILL.md and its folder, Python TDD With Uv needs the command-line tools its instructions call (uv). Our summary lists: Python 3.
Does Python TDD With Uv access the network?
SKILL.md names 1 domain. As links in the text: github.com. This is read from the text; nothing was executed.
Is Python TDD With Uv 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 Python TDD With Uv use?
Python TDD With Uv is published under the CC0-1.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Python TDD With Uv use?
About 732 tokens (SKILL.md is roughly 2.9k 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 Python TDD With Uv?
Skills that share tags, products or a category with Python TDD With Uv: Wobbling Ty Constraint Order (astral-sh/ruff, 50k stars), Test Design (jjjkkkjjj/Matft, 147 stars), Implement Widget (cryptomilk/hass-eink-dashboard, 116 stars) and Python Testing (affaan-m/ECC, 275k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Python TDD With Uv?
spencerpauly (a GitHub user) maintains it in spencerpauly/awesome-cursor-skills, which has 842 GitHub stars. The repository holds 57 skills in this directory. The repository was last updated on August 2, 2026.
Source: spencerpauly/awesome-cursor-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.