This is an excellent skill description that hits all the marks. It provides specific concrete actions, includes a comprehensive 'Use when' clause with natural trigger phrases users would actually say, and carves out a distinct niche around documentation drift analysis. The description is thorough yet focused, and appropriately uses third-person voice throughout.

Dimension	Reasoning	Score
Specificity	Lists multiple specific concrete actions: 'Compares project documentation against actual code implementation', 'identify outdated, missing, or mismatched content', 'produces a prioritized report with actionable fixes', 'analyzes documentation-vs-implementation alignment using JavaScript collectors', 'writes a structured drift report'.	3 / 3
Completeness	Clearly answers both what (compares documentation against code, produces prioritized report with fixes) AND when (explicit 'Use when' clause with five specific trigger scenarios). Also includes behavioral note about asking before applying changes.	3 / 3
Trigger Term Quality	Excellent coverage of natural terms users would say: 'docs are out of date', 'sync documentation with code', 'spec no longer matches implementation', 'code comments or context files are stale', 'documentation reflects the current codebase'. These are phrases users would naturally use.	3 / 3
Distinctiveness Conflict Risk	Very clear niche focused specifically on documentation-vs-code drift analysis. The specific triggers like 'docs are out of date', 'sync documentation with code', and 'drift report' create a distinct domain unlikely to conflict with general documentation or code analysis skills.	3 / 3
	Total	12 / 12 Passed

Implementation

77%

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

This is a well-crafted skill with strong actionability and clear workflow. The JavaScript collectors are executable and the drift detection logic is concrete with specific patterns. Minor improvements could be made by tightening the prose and potentially moving the detailed code implementations to a referenced file.

Suggestions

Consider moving the detailed JavaScript collector implementations to a separate reference file (e.g., COLLECTORS.md) and keeping only a brief summary in the main skill

Remove the redundant 'Expected output' section at the end since it duplicates information already covered in the workflow

Dimension	Reasoning	Score
Conciseness	The skill is reasonably efficient but includes some redundancy - the JavaScript code blocks are comprehensive but could be tighter. The drift class explanations with inline code are useful but slightly verbose.	2 / 3
Actionability	Provides fully executable JavaScript code with concrete implementations for each drift detection type. The code is copy-paste ready with clear variable names and specific regex patterns for each analysis type.	3 / 3
Workflow Clarity	Clear sequence from bootstrap check → data collection → analysis → report generation → user confirmation. Includes explicit validation checkpoint ('Ask user: Apply these fixes?') before any destructive operations.	3 / 3
Progressive Disclosure	Content is well-structured with clear sections, but everything is inline in a single file. The comprehensive code blocks could be referenced from a separate file, and the drift finding format examples add length that could be externalized.	2 / 3
	Total	10 / 12 Passed

Validation

100%

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 — 11 / 11 Passed

Validation for skill structure

No warnings or errors.

Reviewed

18 days ago

Table of Contents

Discovery Implementation Validation