npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2026 – Pkg Stats / Ryan Hefner

@lulzasaur9192/marketplace-search-mcp

v2.0.1

Published

MCP server with 22 tools for marketplace search, price comparison, license verification, childcare costs, estate sales, storage pricing, GSA auctions, home services, FCC lookup, and AI skill safety — TCGPlayer, Reverb, Grailed, Redfin, Poshmark, Craigslis

Downloads

662

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

lulzasaur9192lulzasaur9192

Keywords

mcpmcp-servermodel-context-protocolmarketplacesearchprice-comparisontcgplayerreverbgrailedredfinposhmarkcraigslistofferupswappastubhubbonanzathriftbooksabebooksgoodreadsimdbhouzzthumbtackcontractor-licensenurse-licenselicense-verificationpsa-gradingnyc-violationsfcc-idchildcare-costestate-salesself-storagegsa-auctionshome-servicesskillguardai-toolsclaude

Readme

@lulzasaur9192/marketplace-search-mcp

MCP server with 22 tools for marketplace search, price comparison, license verification, and data lookup across 15+ platforms.

Installation

npx @lulzasaur9192/marketplace-search-mcp

Claude Desktop / Cursor

Add to your MCP config:

{
  "mcpServers": {
    "marketplace-search": {
      "command": "npx",
      "args": ["-y", "@lulzasaur9192/marketplace-search-mcp"]
    }
  }
}

Tools (22)

Marketplace Search (13 marketplaces in 1 tool)

  • marketplace_search — Search TCGPlayer, Reverb, Grailed, Redfin, Bonanza, ThriftBooks, AbeBooks, Goodreads, OfferUp, Swappa, StubHub, Craigslist, Poshmark

Specialized Search

  • search_imdb — Movies/TV with chart browsing (Top 250, Most Popular)
  • search_houzz — Home design professionals by Houzz URL
  • search_thumbtack — Local service professionals with location filter

License Verification

  • verify_contractor_license — CA, TX, FL, NY contractor licenses
  • verify_nurse_license — FL, NY nurse licenses

Collectibles & Grading

  • psa_population_report — PSA card certification and population data

Property & Building

  • search_nyc_violations — NYC DOB building violation records
  • search_estate_sales — Estate sales by location
  • estate_sale_details — Full estate sale details
  • search_storage — Self-storage facilities
  • storage_facility_details — Storage pricing and amenities

Government & Regulatory

  • search_fcc — FCC ID certification search
  • fcc_details — Full FCC certification info
  • search_gsa_auctions — Government surplus auctions
  • gsa_auction_details — Auction lot details
  • gsa_auction_stats — Market statistics

Cost Data

  • childcare_cost — Childcare costs by ZIP/county/state
  • childcare_states — All-state childcare comparison
  • childcare_compare — Side-by-side location comparison
  • home_service_cost — Home service cost estimates

AI Safety

  • skillguard_verify — Verify AI agent skill safety (SAFE/CAUTION/DANGER)

Optional API Key

Register for higher quotas:

curl -X POST https://rapidapi-backend-production.up.railway.app/mcp/register \
  -H "Content-Type: application/json" \
  -d '{"email":"[email protected]"}'

Set MARKETPLACE_API_KEY env var for authenticated access.

Higher Rate Limits

For higher rate limits and dedicated support, subscribe on RapidAPI:

License

MIT