ad-creative

Generate and iterate ad creative including headlines, descriptions, and primary text. Useful for paid social and search ad iteration.

Quality

62%

Does it follow best practices?

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Securityby

Passed

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Fix and improve this skill with Tessl

tessl review fix ./skills/ad-creative/SKILL.md

Quality

Content

57%

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

The body is concise and well-structured as a catalogue pointer, but it provides no executable guidance for actually generating or iterating ad creative, deferring almost entirely to an external upstream repository.

Suggestions

Replace the vague 'install the upstream bundle' instruction with a concrete command (e.g., a git clone into the skills directory with a sample path).

Add a minimal inline example of one generated ad headline / primary text iteration so the skill is actionable without fetching the upstream repo.

Include a verification step (e.g., confirming the installed skill is discoverable by the agent) before telling the user to invoke it.

Dimension	Reasoning	Score
Conciseness	The body is short and lean with no padding or explanation of concepts Claude already knows; every section earns its place, matching the level-3 anchor.	3 / 3
Actionability	The only command is `open https://...` (opens a browser) and 'install the upstream bundle into your active agent's skills directory' is vague with no concrete install path or command; the skill describes and defers rather than instructing how to generate ad creative, matching the level-1 anchor.	1 / 3
Workflow Clarity	A two-step sequence is present (install upstream bundle, then ask the agent to invoke) but the install step lacks a concrete command or path and there is no validation checkpoint, matching the level-2 anchor of listed-but-imprecise steps.	2 / 3
Progressive Disclosure	The skill is under 50 lines with clear sections (What it does, Source, How to use) and a single one-level-deep pointer to the upstream repo; per the simple-skills note, well-organized sections alone justify a 3 with no local bundle files present.	3 / 3
	Total	9 / 12 Passed

Description

67%

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 specific and distinctive but relies on an implicit rather than explicit trigger clause, and the natural-language keyword coverage lives in the frontmatter triggers rather than the description itself.

Suggestions

Add an explicit 'Use when...' clause naming common phrasings (e.g., 'Use when writing or iterating paid social or search ad copy, headlines, or primary text').

Fold one or two high-frequency trigger terms (e.g., 'ad copy', 'ad headline') directly into the description so the trigger coverage is self-contained.

Dimension	Reasoning	Score
Specificity	The phrase 'Generate and iterate ad creative including headlines, descriptions, and primary text' lists multiple concrete actions (generate, iterate) and concrete output types (headlines, descriptions, primary text), matching the level-3 anchor.	3 / 3
Completeness	The 'what' is clearly stated, but the 'when' is only implied via 'Useful for paid social and search ad iteration' rather than an explicit 'Use when...' clause, which per the guidelines caps completeness at 2.	2 / 3
Trigger Term Quality	The description contains some natural terms ('ad creative', 'paid social', 'search ad') but lacks the fuller variation coverage (e.g., 'ad headline', 'ad copy') found only in the separate frontmatter triggers, so it matches the level-2 anchor with relevant-but-incomplete keywords.	2 / 3
Distinctiveness Conflict Risk	The combination of 'ad creative', 'headlines, descriptions, and primary text' with 'paid social and search ad' carves a clear niche unlikely to trigger for unrelated skills.	3 / 3
	Total	10 / 12 Passed

Validation

93%

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 — 15 / 16 Passed

Validation for skill structure

Criteria	Description	Result
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	15 / 16 Passed

Repository: nexu-io/open-design
Path: skills/ad-creative/SKILL.md
Commit: f2760fd

Reviewed: about 15 hours ago

Table of Contents

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