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repomix-unmixer

Extracts files from repomix-packed repositories, restoring original directory structures from XML/Markdown/JSON formats. Activates when users need to unmix repomix files, extract packed repositories, restore file structures from repomix output, or reverse the repomix packing process.

82

1.43x
Quality

75%

Does it follow best practices?

Impact

93%

1.43x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./repomix-unmixer/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

50%

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

This skill provides clear, actionable guidance for a fundamentally simple task (running a single script), but is severely bloated with redundant examples, unnecessary explanations, and content that should either be in reference files or omitted entirely. The core value could be delivered in ~30 lines instead of 200+. The structure references external files appropriately but fails to actually move content there.

Suggestions

Reduce the body to ~40 lines: one command example, one format overview table, a brief validation checklist, and references to external files. Remove all redundant command invocations and use cases that are essentially identical.

Move the troubleshooting section and detailed format specifications into the referenced files (references/repomix-format.md, references/validation-workflow.md) rather than duplicating that content inline.

Remove explanations Claude already knows: what directories are, how permissions work, what UTF-8 encoding is, and basic concepts like 'keep backups.'

Integrate a validation checkpoint directly into the core workflow (e.g., after extraction, immediately verify file count and spot-check) rather than having it as a separate disconnected section.

DimensionReasoningScore

Conciseness

The skill is extremely verbose at ~200+ lines for what amounts to running a single Python script with one command. There is massive redundancy: the same command is shown 8+ times with minor variations, 'What the Script Does' restates obvious behavior, use cases are near-identical, and best practices repeat the validation workflow. The troubleshooting section explains basic concepts like permissions and encoding that Claude already knows.

1 / 3

Actionability

The core guidance is fully actionable with executable bash commands, specific script paths, concrete parameters, and copy-paste ready examples. The primary command and its usage are unambiguous.

3 / 3

Workflow Clarity

The validation workflow section lists steps but lacks explicit validation checkpoints integrated into the main workflow. The 'Verify Before Overwriting' section is good guidance, but the core workflow itself doesn't include a feedback loop for error recovery — it's just 'run the script.' The validation is separated and somewhat vague ('spot check content').

2 / 3

Progressive Disclosure

References to external files (references/repomix-format.md, references/validation-workflow.md, scripts/unmix_repomix.py) are clearly signaled and one-level deep, which is good. However, no bundle files were provided, so we can't verify these exist. More importantly, the SKILL.md itself is monolithic with content that should be in those reference files (e.g., the full troubleshooting section, format details, and repetitive use cases) kept inline instead.

2 / 3

Total

8

/

12

Passed

Description

100%

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

This is an excellent skill description that clearly defines a specific niche (repomix file extraction), lists concrete capabilities including supported formats, and provides explicit activation triggers. It uses proper third-person voice and covers multiple natural phrasings users might employ when needing this skill.

DimensionReasoningScore

Specificity

Lists specific concrete actions: 'Extracts files from repomix-packed repositories', 'restoring original directory structures', and specifies the formats handled (XML/Markdown/JSON). These are clear, actionable capabilities.

3 / 3

Completeness

Clearly answers both 'what' (extracts files from repomix-packed repos, restoring directory structures from XML/Markdown/JSON) and 'when' (explicit 'Activates when...' clause with multiple trigger scenarios).

3 / 3

Trigger Term Quality

Includes strong natural trigger terms: 'repomix', 'unmix', 'packed repositories', 'extract', 'restore file structures', 'repomix output', 'reverse the repomix packing process'. These cover multiple natural phrasings a user might use.

3 / 3

Distinctiveness Conflict Risk

Highly distinctive — 'repomix' is a very specific tool/format, making this unlikely to conflict with general file extraction or repository management skills. The niche is clearly defined.

3 / 3

Total

12

/

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.

Validation11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository
daymade/claude-code-skills
Reviewed

Table of Contents

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