Agent Skills: News & Shopping Search with Serper

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UncategorizedID: merit-systems/x402scan-skills/news-shopping

Install this agent skill to your local

pnpm dlx add-skill https://github.com/Merit-Systems/x402scan-skills/tree/HEAD/skills/news-shopping

Skill Files

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skills/news-shopping/SKILL.md

Skill Metadata

Name
news-shopping
Description
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News & Shopping Search with Serper

STOP — Read before making any API call. enrichx402.com endpoints are not the same as each provider's native API. All paths use the format https://enrichx402.com/api/{provider}/{action}. You MUST either:

  1. Copy exact URLs from the Quick Reference table below, OR
  2. Run x402.discover_api_endpoints(url="https://enrichx402.com") to get the correct paths

Guessing paths will fail with 405 errors (wrong path) or 404 errors (missing /api/ prefix).

Access Google News and Google Shopping through x402-protected endpoints.

Setup

See rules/getting-started.md for installation and wallet setup.

Quick Reference

| Task | Endpoint | Price | Description | |------|----------|-------|-------------| | News search | https://enrichx402.com/api/serper/news | $0.04 | Google News search | | Shopping search | https://enrichx402.com/api/serper/shopping | $0.04 | Google Shopping search |

News Search

Search Google News for articles:

x402.fetch(
  url="https://enrichx402.com/api/serper/news",
  method="POST",
  body={
    "q": "artificial intelligence regulation"
  }
)

Parameters:

  • q - Search query (required)
  • num - Number of results (default: 10)
  • gl - Country code (e.g., "us", "uk", "de")
  • hl - Language (e.g., "en", "es", "fr")
  • tbs - Time filter (qdr:h, qdr:d, qdr:w, qdr:m, qdr:y)

Time Filters

| Filter | Meaning | |--------|---------| | qdr:h | Past hour | | qdr:d | Past 24 hours | | qdr:w | Past week | | qdr:m | Past month | | qdr:y | Past year |

Example - news from past week:

x402.fetch(
  url=".../serper/news",
  body={
    "q": "AI startups funding",
    "tbs": "qdr:w"
  }
)

Country/Language Filtering

x402.fetch(
  url=".../serper/news",
  body={
    "q": "technology news",
    "gl": "uk",
    "hl": "en"
  }
)

Returns:

  • Article title and snippet
  • Source/publication name
  • Published date
  • Article URL
  • Thumbnail image (if available)

Shopping Search

Search Google Shopping for products:

x402.fetch(
  url="https://enrichx402.com/api/serper/shopping",
  method="POST",
  body={
    "q": "wireless noise cancelling headphones"
  }
)

Parameters:

  • q - Search query (required)
  • num - Number of results (default: 10)
  • gl - Country code for pricing/availability
  • hl - Language

Returns:

  • Product title
  • Price and currency
  • Merchant/store name
  • Product URL
  • Rating (if available)
  • Thumbnail image

Shopping with Location

Get local pricing and availability:

x402.fetch(
  url=".../serper/shopping",
  body={
    "q": "MacBook Pro M3",
    "gl": "us"
  }
)

Workflows

News Monitoring

  1. (Optional) Check balance: x402.get_wallet_info
  2. Discover endpoints (required before first fetch): x402.discover_api_endpoints(url="https://enrichx402.com")
  3. Search with appropriate time filter
  4. Review and summarize top stories
x402.fetch(
  url="https://enrichx402.com/api/serper/news",
  method="POST",
  body={"q": "company name OR competitor name", "tbs": "qdr:d", "num": 20}
)

Breaking News Research

  • [ ] Search with qdr:h for past hour
  • [ ] Identify key sources and facts
  • [ ] Note developing aspects
x402.fetch(
  url="https://enrichx402.com/api/serper/news",
  method="POST",
  body={"q": "breaking news topic", "tbs": "qdr:h"}
)

Product Research

  • [ ] Define search criteria (category, price range)
  • [ ] Search Google Shopping
  • [ ] Compare prices across merchants
  • [ ] Present top options with pros/cons
x402.fetch(
  url="https://enrichx402.com/api/serper/shopping",
  method="POST",
  body={"q": "ergonomic office chair under $500", "num": 20}
)

Price Comparison

  • [ ] Use exact product name/model
  • [ ] Compare merchant prices
  • [ ] Note shipping and availability
x402.fetch(
  url="https://enrichx402.com/api/serper/shopping",
  method="POST",
  body={"q": "exact product name model number"}
)

Response Data

News Article Fields

  • title - Article headline
  • snippet - Article excerpt
  • source - Publication name
  • date - Published date
  • link - Article URL
  • imageUrl - Thumbnail (if available)

Shopping Product Fields

  • title - Product name
  • price - Price with currency
  • source - Merchant/store
  • link - Product URL
  • rating - Star rating (if available)
  • reviews - Number of reviews
  • imageUrl - Product image
  • delivery - Shipping info (if available)

Tips

News Search

  • Use quotes for exact phrases: "climate change"
  • Use OR for alternatives: AI OR "artificial intelligence"
  • Be specific to get relevant results
  • Use time filters to avoid old news

Shopping Search

  • Include brand/model for specific products
  • Add "under $X" or "best" for filtered results
  • Check gl parameter for accurate local pricing
  • More results = better price comparison

Cost Estimation

Both endpoints are $0.04 per call.

| Task | Calls | Cost | |------|-------|------| | Quick news check | 1 | $0.04 | | Daily news summary | 2-3 | $0.08-0.12 | | Product research | 1-2 | $0.04-0.08 | | Full market research | 3-5 | $0.12-0.20 |