python-env

Fast Python environment management with uv (10-100x faster than pip). Triggers on: uv, venv, pip, pyproject, python environment, install package, dependencies.

1.29x

Quality

84%

Does it follow best practices?

Impact

79%

1.29x

Average score across 3 eval scenarios

Securityby

Passed

No findings from the security scan

Quality

Content

86%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The content is lean, highly actionable, and well-organized with executable examples throughout. The main weakness is that the referenced ./references/*.md files are not actually present in the bundle, so progressive disclosure promises content it cannot deliver.

Suggestions

Add the missing reference files (pyproject-patterns.md, dependency-management.md, publishing.md) to ./references/ or remove the 'Additional Resources' section to avoid dangling references.

Add a lightweight validation step to the Project Setup Checklist (e.g., run 'uv pip list' to confirm dependencies resolved) to turn the implicit sequence into an explicit checkpoint.

Dimension	Reasoning	Score
Conciseness	The body is lean and table/code-driven with no padding or explanations of concepts Claude already knows; every section earns its place.	5 / 5
Actionability	Commands are fully executable and copy-paste ready across venv creation, package installation, version constraints, and the pyproject.toml example, covering the common cases.	5 / 5
Workflow Clarity	The Project Setup Checklist gives a clear sequence, but there are no explicit validation checkpoints (e.g., verifying the venv activated or deps resolved) even though the operations are non-destructive and the simple-skill exception applies.	4 / 5
Progressive Disclosure	The body is well-sectioned and signals one-level-deep references to './references/pyproject-patterns.md', 'dependency-management.md', and 'publishing.md', but the references/ directory is empty so those referenced files do not exist, leaving the navigation broken.	3 / 5
	Total	17 / 20 Passed

Description

82%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is strong overall, with an explicit what-and-when structure and a niche-specific trigger list that minimizes conflict risk. Its only gap is that the headline names the domain broadly rather than enumerating the distinct concrete actions the skill performs.

Suggestions

Expand the lead clause to enumerate concrete actions (e.g., 'Create virtual environments, install packages, and manage dependencies with uv') to lift specificity.

Add a few more natural synonyms/variants to the trigger list (e.g., 'virtualenv', 'requirements.txt', '.toml') for fuller keyword coverage.

Dimension	Reasoning	Score
Specificity	Names the domain ('Fast Python environment management with uv') plus a concrete speed claim, but the description itself lists only the overall action rather than multiple discrete capabilities like venv creation, package install, or dependency management.	3 / 5
Completeness	Clearly states what the skill does ('Fast Python environment management with uv') and explicitly when to use it via the 'Triggers on:' clause with concrete trigger phrases.	5 / 5
Trigger Term Quality	Explicit trigger list ('uv, venv, pip, pyproject, python environment, install package, dependencies') covers natural user phrases well, though it misses common synonyms like 'virtualenv' or file extensions like '.toml'.	4 / 5
Distinctiveness Conflict Risk	The uv-specific niche and concrete trigger terms make it clearly distinguishable from generic Python skills with minimal conflict risk.	5 / 5
	Total	17 / 20 Passed

Validation

93%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

Criteria	Description	Result
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	15 / 16 Passed

Repository: NeverSight/skills_feed
Path: data/skills-md/0xdarkmatter/claude-mods/python-env/SKILL.md
Commit: 2f57aec

Reviewed: about 22 hours ago

Table of Contents

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