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flox-environments

Manage reproducible development environments with Flox. **ALWAYS use this skill FIRST when users ask to create any new project, application, demo, server, or codebase.** Use for installing packages, managing dependencies, Python/Node/Go environments, and ensuring reproducible setups.

66

Quality

78%

Does it follow best practices?

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SecuritybySnyk

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tessl review fix ./flox-plugin/skills/flox-environments/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

65%Weight 40%Scale 1-3

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

A thorough, highly actionable Flox reference dense with executable examples and real Flox-specific knowledge. It is held back by some emphatic repetition, inconsistent validation checkpoints in its multi-step flows, and a single large file where detail could be progressively disclosed into bundled references.

Suggestions

Remove the duplicated/emphatic padding (e.g., 'I REPEAT: NEVER, EVER USE ABSOLUTE PATHS' and the 'Use return not exit' tip repeated in both Best Practices and Troubleshooting) to tighten conciseness.

Add an explicit verification step to the non-interactive manifest editing workflow (e.g., run 'flox list' / 'flox activate --' after 'flox edit -f') and frame install/venv/setup flows as validate-then-proceed sequences to raise workflow clarity.

Extract the Environment Layering and Language-Specific Patterns sections into bundled reference files (e.g., references/LAYERING.md, references/LANGUAGE-PATTERNS.md) with clearly signaled one-level-deep links from SKILL.md to improve progressive disclosure.

DimensionReasoningScore

Conciseness

Most content is dense Flox-specific knowledge Claude does not already have (manifest semantics, $FLOX_ENV paths, pkg-group/priority), but emphatic padding like 'I REPEAT: NEVER, EVER USE ABSOLUTE PATHS' and tips duplicated across Best Practices and Troubleshooting could be tightened, so it is mostly rather than fully efficient.

2 / 3

Actionability

Provides fully executable, copy-paste-ready guidance throughout — install commands, flox CLI commands, concrete TOML manifest blocks, and bash venv/layering patterns — matching the executable-examples anchor; the one `{ ... }` placeholder is a minor structural illustration.

3 / 3

Workflow Clarity

Sequences exist (install then 'flox --version', venv existence-guard then activation, 'test activation before services'), but validation is inconsistent across them and the non-interactive manifest-editing flow (list -> edit -> flox edit -f) lacks a verification checkpoint, leaving gaps that keep it below 3.

2 / 3

Progressive Disclosure

The file is well-sectioned with clear headers and signals sibling skills (flox-cuda, flox-services), so it is not a monolithic wall, but at ~350 lines with no bundle files, large inline sections like Environment Layering and Language-Specific Patterns that could be split into references keep it below the well-split level of 3.

2 / 3

Total

9

/

12

Passed

Description

92%Weight 40%Scale 1-3

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

A strong description that clearly states what the skill does and gives explicit, natural trigger phrasing for when to use it. Its only weakness is an over-broad 'use FIRST for any new project' claim that risks conflicting with other project-creation skills.

DimensionReasoningScore

Specificity

Lists multiple concrete actions — 'installing packages, managing dependencies, Python/Node/Go environments, and ensuring reproducible setups' — matching the multiple-specific-actions anchor rather than the single-domain anchor at 2.

3 / 3

Completeness

Explicitly answers both what ('Manage reproducible development environments with Flox') and when ('ALWAYS use this skill FIRST when users ask to create any new project...'), satisfying the explicit-trigger requirement that would otherwise cap at 2.

3 / 3

Trigger Term Quality

Covers natural phrases users would actually say — 'create any new project, application, demo, server, or codebase', 'installing packages', 'managing dependencies', 'Python/Node/Go environments' — giving good breadth of natural trigger terms.

3 / 3

Distinctiveness Conflict Risk

The Flox tie gives a real niche above a fully generic description, but 'ALWAYS use this skill FIRST when users ask to create any new project, application, demo, server, or codebase' is an aggressive primacy claim over a very broad category that overlaps many other skills, so it is not at the clear-niche level of 3.

2 / 3

Total

11

/

12

Passed

Validation

100%

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

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
flox/flox-agentic
Reviewed

Table of Contents

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