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competitive-ads-extractor

Extracts and analyzes competitors' ads from ad libraries (Facebook, LinkedIn, etc.) to understand what messaging, problems, and creative approaches are working. Helps inspire and improve your own ad campaigns.

50

1.22x
Quality

25%

Does it follow best practices?

Impact

97%

1.22x

Average score across 3 eval scenarios

SecuritybySnyk

Advisory

Suggest reviewing before use

Optimize this skill with Tessl

npx tessl skill review --optimize ./plugins/all-skills/skills/competitive-ads-extractor/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

0%

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

This skill is essentially a marketing document or wishlist rather than actionable technical guidance. It describes a fantasy workflow with fabricated outputs but provides zero implementation details—no scraping code, no API endpoints, no browser automation scripts, no actual tools or libraries. The extreme verbosity (redundant lists, obvious advice, lengthy fake examples) wastes tokens without adding any value Claude couldn't generate on its own.

Suggestions

Replace the fabricated example output with actual executable code showing how to access the Facebook Ad Library (e.g., using their API or browser automation with Playwright/Puppeteer), including authentication and pagination.

Remove redundant sections like 'When to Use This Skill', 'What You Can Learn', 'Related Use Cases', and 'Tips for Success'—these are obvious and add no value. Cut the document to under 80 lines.

Add concrete validation steps: how to verify scraping succeeded, handle rate limits, detect when ad library structure changes, and validate extracted data completeness.

Provide actual tool/library recommendations with installation commands and working code snippets for at least one platform (e.g., Facebook Ad Library API with specific endpoints and response parsing).

DimensionReasoningScore

Conciseness

Extremely verbose at ~250+ lines. Massive sections like 'What You Can Learn', 'Tips for Success', 'Related Use Cases', and 'Output Formats' are padding that Claude already knows. The example output alone is ~80 lines of fabricated data. Lists like 'When to Use This Skill' enumerate obvious use cases. Most content describes rather than instructs.

1 / 3

Actionability

No executable code, no concrete commands, no actual API calls or scraping logic. The 'example' is entirely fabricated output with no real implementation. There's no guidance on how to actually access ad libraries (URLs, selectors, APIs, authentication). The skill describes what it does but never shows how to do it.

1 / 3

Workflow Clarity

The 'Common Workflows' section lists high-level steps like 'Extract competitor ads' and 'Identify successful patterns' without any concrete implementation details, validation steps, or error handling. There's no guidance on what to do when scraping fails, rate limits are hit, or ad libraries change their structure.

1 / 3

Progressive Disclosure

Monolithic wall of text with no references to external files and no bundle files. Content that could be separated (analysis frameworks, example outputs, platform-specific guides) is all inline. The document is poorly organized with redundant sections covering similar ground (e.g., 'Best Practices > Analysis Tips' overlaps with 'Tips for Success' and 'Common Workflows').

1 / 3

Total

4

/

12

Passed

Description

50%

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 communicates the general domain well—competitor ad analysis from ad libraries—but lacks the specificity and explicit trigger guidance needed for reliable skill selection. It uses second person ('your own ad campaigns') which is a minor voice issue, and the absence of a 'Use when...' clause limits its effectiveness in a multi-skill environment.

Suggestions

Add an explicit 'Use when...' clause with trigger terms like 'competitor ads', 'ad library', 'Meta ad library', 'competitive ad analysis', 'ad research', 'swipe file'.

List more specific concrete actions such as 'scrape ad copy, identify messaging patterns, catalog creative formats, benchmark competitor positioning'.

Switch from second person ('your own ad campaigns') to third person ('the user's ad campaigns') to match the expected voice.

DimensionReasoningScore

Specificity

Names the domain (competitor ad analysis from ad libraries) and some actions (extracts, analyzes), but doesn't list multiple concrete specific actions beyond 'understand messaging, problems, and creative approaches'. The phrase 'Helps inspire and improve your own ad campaigns' is vague.

2 / 3

Completeness

The 'what' is partially addressed (extracts and analyzes competitor ads), but there is no explicit 'Use when...' clause or equivalent trigger guidance. The 'when' is only implied by the description of capabilities.

2 / 3

Trigger Term Quality

Includes some relevant keywords like 'competitors' ads', 'ad libraries', 'Facebook', 'LinkedIn', 'messaging', 'creative', and 'ad campaigns', but misses common variations users might say like 'competitor research', 'ad spy', 'Meta ads library', 'Google ads', 'swipe file', or 'competitive analysis'.

2 / 3

Distinctiveness Conflict Risk

The focus on ad libraries and competitor ads provides some distinctiveness, but 'ad campaigns' and 'messaging' could overlap with general marketing or copywriting skills. The mention of specific platforms (Facebook, LinkedIn) helps but the 'etc.' weakens it.

2 / 3

Total

8

/

12

Passed

Validation

90%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation10 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

10

/

11

Passed

Repository
davepoon/buildwithclaude
Reviewed

Table of Contents

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