Case 04149

Skill knownasnaffy/prompthound/dataset/case_04149

A fast, offline static risk analysis CLI for AI agent skill files. Detects malicious instructions, steganographic payloads, and dangerous capability chains.

Install

npx -y skills add knownasnaffy/prompthound --skill case_04149

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

2 things to look at

no licenseNo license file was found in the repository. Code published without one is not open source by default, so using it at work is a question for whoever answers licensing questions where you are.
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What its author says it does

Copied from the file, not written here

Web scraping and crawling with Firecrawl API. Fetch webpage content as markdown, take screenshots, extract structured data, search the web, and crawl documentation sites. Use when the user needs to scrape a URL, get current web info, capture a screenshot, extract specific data from pages, or crawl docs for a framework/library.

SKILL.md

2.7 KB, as published. Nobody here has run it

Firecrawl Web Skill

Scrape, search, and crawl the web using Firecrawl.

Setup

Get your API key from firecrawl.dev/app/api-keys

Set the environment variable:

export FIRECRAWL_API_KEY=fc-your-key-here

Install the SDK:
```
pip3 install firecrawl
```

Usage

All commands use the bundled fc.py script in this skill's directory.

Get Page as Markdown

Fetch any URL and convert to clean markdown. Handles JavaScript-rendered content.

python3 fc.py markdown "https://example.com"
python3 fc.py markdown "https://example.com" --main-only  # skip nav/footer

Take Screenshot

Capture a full-page screenshot of any URL.

python3 fc.py screenshot "https://example.com" -o screenshot.png

Extract Structured Data

Pull specific fields from a page using a JSON schema.

Schema example (schema.json):

{
  "type": "object",
  "properties": {
    "title": { "type": "string" },
    "price": { "type": "number" },
    "features": { "type": "array", "items": { "type": "string" } }
  }
}

python3 fc.py extract "https://example.com/product" --schema schema.json
python3 fc.py extract "https://example.com/product" --schema schema.json --prompt "Extract the main product details"

Web Search

Search the web and get content from results (may require paid tier).

python3 fc.py search "Python 3.13 new features" --limit 5

Crawl Documentation

Crawl an entire documentation site. Great for learning new frameworks.

python3 fc.py crawl "https://docs.example.com" --limit 30
python3 fc.py crawl "https://docs.example.com" --limit 50 --output ./docs

Note: Each page costs 1 credit. Set reasonable limits.

Map Site URLs

Discover all URLs on a website before deciding what to scrape.

python3 fc.py map "https://example.com" --limit 100
python3 fc.py map "https://example.com" --search "api"

Example Prompts

"Scrape https://blog.example.com/post and summarize it"
"Take a screenshot of stripe.com"
"Extract the name, price, and features from this product page"
"Crawl the Astro docs so you can help me build a site"
"Map all the URLs on docs.stripe.com"

Pricing

Free tier includes 500 credits. 1 credit = 1 page/screenshot/search query.