CtrlK
BlogDocsLog inGet started
Tessl Logo

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.

60

Quality

70%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide

SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

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

Quality

Content

57%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 body is an information-dense, actionable reference with good section structure, but it is monolithic and somewhat repetitive, with scattered rather than explicit validation checkpoints. Splitting the larger topics into reference files and deduplicating repeated guidance would lift its weaker dimensions.

Suggestions

Split language-specific patterns, environment layering, and troubleshooting into one-level-deep reference files (e.g. references/languages.md, references/layering.md) and keep SKILL.md as an overview with clearly signaled links.

Deduplicate repeated guidance — e.g. consolidate 'Use `return` not `exit` in hooks' and `$FLOX_ENV_CACHE` usage notes into a single Best Practices section instead of restating them across sections.

Add explicit validation checkpoints to the main creation flow (e.g. after `flox init`/manifest edits, a numbered 'Validate: run `flox activate -- <cmd>` before proceeding' step with a fix-and-retry loop) to strengthen workflow clarity.

DimensionReasoningScore

Conciseness

Mostly efficient and assumes competence, but repeats guidance across sections ('Use `return` not `exit`' appears in both Best Practices and Troubleshooting; `$FLOX_ENV_CACHE` notes recur) and includes padding that could be tightened.

3 / 5

Actionability

Concrete, mostly copy-paste-ready TOML and bash examples throughout the common cases; minor placeholders like `myapp_setup() { ... }` and `/tmp/manifest.toml` keep it just short of fully executable.

4 / 5

Workflow Clarity

A multi-topic reference rather than one coherent workflow; validation checkpoints are scattered and implicit ('Test activation with `flox activate -- <command>` before adding to services') with no explicit validate-fix-retry loop for the main flows.

3 / 5

Progressive Disclosure

A ~370-line monolithic SKILL.md with no bundle files; language-specific patterns, layering, and troubleshooting are inlined rather than split into one-level-deep reference files, fitting the 'content that should be separate is inline' anchor.

3 / 5

Total

13

/

20

Passed

Description

83%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, clearly stating both capability and trigger conditions in third person with concrete, natural-sounding triggers. Its main weakness is an over-broad 'use FIRST for any new project' claim that elevates conflict risk.

DimensionReasoningScore

Specificity

Lists several concrete actions — 'installing packages, managing dependencies, Python/Node/Go environments, and ensuring reproducible setups' — but they overlap and aren't fully enumerated, leaving minor coverage gaps short of a 5.

4 / 5

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, application, demo, server, or codebase') with concrete trigger phrases.

5 / 5

Trigger Term Quality

Strong natural triggers ('create any new project, application, demo, server, or codebase', 'installing packages'), but lacks synonyms and file extensions that would warrant comprehensive 5-level coverage.

4 / 5

Distinctiveness Conflict Risk

The Flox niche is clearly distinct, but the aggressive 'ALWAYS use this skill FIRST for any new project/codebase' trigger is broad and risks overlap with general project-scaffolding skills, keeping it just below 5.

4 / 5

Total

17

/

20

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

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.