ac-checkpoint-manager

Manage checkpoints for rollback capability. Use when creating save points, rolling back changes, managing recovery points, or restoring previous states.

Quality

81%

Does it follow best practices?

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Securityby

Passed

No findings from the security scan

Quality

Content

78%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.

A well-structured, lean skill body that provides executable Quick Start code and a clear workflow with validation checkpoints, while appropriately offloading full implementation detail to the bundled script. The main gap is the abstract, non-executable workflow step descriptions and the absence of an explicit validation-failure feedback loop.

Suggestions

Replace the abstract Workflow verbs (CREATE, STORE, VALIDATE, RESTORE, VERIFY) with concrete commands or method calls matching the CheckpointManager API so each step is directly executable.

Add an explicit feedback loop after VALIDATE/VERIFY (e.g., 'if validation fails: review metadata.json, fix, re-validate; only restore when integrity is confirmed') to earn the top workflow_clarity anchor for this destructive skill.

Remove or merge the redundant 'Purpose' section with the opening line to tighten conciseness.

Dimension	Reasoning	Score
Conciseness	The body is lean with no over-explanation of concepts Claude already knows; the only redundancy is the "Purpose" section restating the description, so it fits anchor 4 (efficient with minor trimmable instances) rather than 5.	4 / 5
Actionability	The Quick Start gives concrete, executable code importing CheckpointManager, but the Workflow section uses abstract verbs (CREATE, STORE, VALIDATE) instead of runnable commands, matching anchor 4 for mostly executable guidance with minor gaps.	4 / 5
Workflow Clarity	A clear six-step sequence includes explicit validation checkpoints (VALIDATE, VERIFY), so the destructive-operation cap does not apply; however it lacks an explicit feedback loop (what to do when validation fails) and concrete validation commands, capping it at anchor 4 rather than 5.	4 / 5
Progressive Disclosure	The body is a concise overview with well-organized sections and a single well-signaled one-level-deep reference ("See scripts/checkpoint_manager.py for full implementation") to a real bundle file, with implementation appropriately split out — matching the anchor 5 example.	5 / 5
	Total	17 / 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.

A strong, concise description that clearly states the skill's purpose and provides explicit, natural trigger phrases for when to use it. It uses appropriate third-person voice and lists concrete actions, with only minor synonym/coverage gaps keeping trigger quality and specificity just below the top anchor.

Dimension	Reasoning	Score
Specificity	Lists several concrete actions ("creating save points", "rolling back changes", "managing recovery points", "restoring previous states"), matching the anchor for several specific actions with minor gaps; not a 5 because the actions are variations of one rollback theme rather than comprehensive distinct coverage.	4 / 5
Completeness	Explicitly answers both what ("Manage checkpoints for rollback capability") and when ("Use when creating save points, rolling back changes, managing recovery points, or restoring previous states") with concrete trigger phrases, matching the anchor 5 example exactly.	5 / 5
Trigger Term Quality	Includes natural phrases and synonyms a user would say ("save points", "recovery points", "rolling back", "restoring previous states"); good coverage but missing a few common terms like "undo", "revert", or "snapshot", so it sits at anchor 4 rather than 5.	4 / 5
Distinctiveness Conflict Risk	Targets a clear niche (checkpoints/rollback) with specific triggers, but "checkpoints" and "rollback" carry minor overlap risk with git/version-control skills, placing it at anchor 4 rather than 5.	4 / 5
	Total	17 / 20 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 — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository: fernandezbaptiste/Skrillz
Path: skills/ac-checkpoint-manager/SKILL.md
Commit: 93ed392

Reviewed: 1 day ago

Table of Contents

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