# io.github.lulzasaur9192/marketplace-search (npm · @lulzasaur9192/marketplace-search-mcp)

22 tools: search 15+ marketplaces, verify licenses, childcare costs, FCC, GSA auctions

- Trust score: 67/100 (medium)
- Change this week: +21
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `@lulzasaur9192/marketplace-search-mcp`: 67/100 (this document), [markdown](https://verifymcp.io/servers/lulzasaur9192-marketplace-search/lulzasaur9192-marketplace-search-mcp.md), [page](https://verifymcp.io/servers/lulzasaur9192-marketplace-search/lulzasaur9192-marketplace-search-mcp)

## Channel facts

- Registry: `npm`
- Package: `@lulzasaur9192/marketplace-search-mcp`
- Version: `2.0.0`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 127 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 68/100
  - AI-judged instruction clarity (good).
  - Context-footprint check failed: tool/resource definitions use about 2413 tokens (~109/item across 22 items; 22 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add lulzasaur9192-marketplace-search -- npx -y @lulzasaur9192/marketplace-search-mcp
```

### Codex

```bash
codex mcp add lulzasaur9192-marketplace-search -- npx -y @lulzasaur9192/marketplace-search-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "lulzasaur9192-marketplace-search": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@lulzasaur9192/marketplace-search-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add lulzasaur9192-marketplace-search --command npx --arg -y --arg @lulzasaur9192/marketplace-search-mcp
```

### Hermes

```yaml
mcp_servers:
  lulzasaur9192-marketplace-search:
    command: "npx"
    args: ["-y", "@lulzasaur9192/marketplace-search-mcp"]
```

### Other

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

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-03 (score 67, +3)

- [functional improvement] Stability: unverified → 0.23

### 2026-08-02 (score 64, +43)

- [security regression] Provenance: unverified → fail
- [security improvement] Install scripts: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional regression] Tool coverage: 100 → unverified
- [functional regression] Security disclosure: fail → unverified
- [functional improvement] License: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Schema quality: unverified → good
- [functional] First check of Schema quality: unverified
- [functional] Licence: MIT

### 2026-07-31 (score 21, −25)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-27 (score 46)

First indexed and scored.

## MCP tools (22)

### `marketplace_search` (~291 tokens)

Search across 13 online marketplaces. Supported marketplaces: tcgplayer, reverb, grailed, redfin, bonanza, thriftbooks, abebooks, goodreads, offerup, swappa, stubhub, craigslist, poshmark. Returns listings with prices, conditions, seller info, and URLs. Each marketplace specializes in different categories: tcgplayer (trading cards), reverb (music gear), grailed (designer fashion), redfin (real estate), bonanza (general), thriftbooks/abebooks/goodreads (books), offerup/craigslist (local classifieds), swappa (electronics), stubhub (event tickets), poshmark (fashion resale).

Input parameters:

- `limit` (integer): Number of results (max 50)
- `location` (string): Location filter for offerup/craigslist (e.g. "NYC", "SF")
- `marketplace` (string, required): Which marketplace to search
- `maxPrice` (number): Maximum price filter (grailed, offerup, craigslist, poshmark)
- `minPrice` (number): Minimum price filter (grailed, offerup, craigslist, poshmark)
- `query` (string, required): Search term (e.g. "charizard", "gibson les paul", "iphone 15")
- `sortBy` (string): Sort order: newest, relevance, price (marketplace-dependent)

### `search_imdb` (~134 tokens)

Search IMDb for movies and TV shows. Can search by title or browse curated charts (Top 250 Movies, Top 250 TV, Most Popular Movies, Most Popular TV). Returns ratings, year, cast, and IMDb links.

Input parameters:

- `chart` (string): IMDb chart: top (Top 250 Movies), toptv (Top 250 TV), moviemeter (Most Popular Movies), tvmeter (Most Popular TV)
- `limit` (integer): Number of results (max 50)
- `query` (string): Movie or TV show title to search (e.g. "inception", "breaking bad")

### `search_houzz` (~107 tokens)

Search Houzz for home design professionals, contractors, and interior designers. Takes a Houzz search URL (browse houzz.com/professionals to build one). Returns pro profiles with ratings, reviews, projects, and contact info.

Input parameters:

- `limit` (integer): Number of results (max 50)
- `url` (string, required): Houzz search URL (e.g. "https://www.houzz.com/professionals/general-contractor/san-francisco-ca")

### `search_thumbtack` (~117 tokens)

Search local service professionals from Thumbtack. Find plumbers, electricians, cleaners, and 1000+ other service categories. Returns ratings, reviews, pricing, and hire counts.

Input parameters:

- `limit` (integer): Number of results (max 20)
- `location` (string): City/state slug (e.g. "san-francisco/ca", "austin/tx"). Omit for national results.
- `query` (string, required): Service category (e.g. "plumbers", "house cleaners", "electricians")

### `verify_contractor_license` (~151 tokens)

Verify a contractor's license across US states (CA, TX, FL, NY). Search by license number, person name, or business name. Returns license status, expiration, classifications, and contact info from official state licensing boards.

Input parameters:

- `businessName` (string): Business name to search
- `firstName` (string): First name (optional with lastName)
- `lastName` (string): Last name for person search
- `licenseNumber` (string): License number to look up
- `limit` (integer): Max results (max 25)
- `state` (string, required): US state: CA (CSLB), TX (TDLR), FL (DBPR), NY (NYC)

### `verify_nurse_license` (~140 tokens)

Verify a nurse's license across US states (FL, NY). Search by license number or name. Returns license status, expiration, qualifications, and enforcement actions from official nursing boards.

Input parameters:

- `firstName` (string): First name (optional)
- `lastName` (string): Last name for person search
- `licenseNumber` (string): License number to look up
- `licenseType` (string): License type: RN, LPN, NP, APRN, CNA
- `limit` (integer): Max results (max 25)
- `state` (string, required): US state: FL (DOH MQA), NY (NYSED)

### `psa_population_report` (~90 tokens)

Look up PSA card certification details and full population report. Returns card info (year, brand, subject, grade) and complete grade breakdown from Auth through PSA 10, showing how many cards exist at each grade level.

Input parameters:

- `certNumber` (string): PSA certification number on the slab (e.g. "10000001")
- `specID` (integer): PSA spec ID for direct population lookup

### `search_nyc_violations` (~192 tokens)

Search NYC Department of Buildings violation records by address, BIN, or block+lot. Covers DOB Violations, Safety Violations, and ECB Violations (with penalty amounts). Use summary=true for aggregate stats.

Input parameters:

- `bin` (string): NYC BIN (Building Identification Number)
- `block` (string): Tax block number (use with lot)
- `borough` (string): Borough: manhattan, bronx, brooklyn, queens, or "staten island"
- `house_number` (string): House number (e.g. "350"). Use with street.
- `limit` (integer): Max results (ignored when summary=true)
- `lot` (string): Tax lot number (use with block)
- `street` (string): Street name (e.g. "BROADWAY"). Use with house_number.
- `summary` (boolean): Set true for aggregate stats instead of individual violations

### `search_fcc` (~120 tokens)

Search FCC ID certifications for electronic devices. Look up by FCC ID, grantee code, or applicant name. Returns certification details including equipment class, grant dates, and test reports.

Input parameters:

- `applicantName` (string): Company name (e.g. "Apple")
- `fccId` (string): Full FCC ID (e.g. "BCG-E3994A")
- `granteeCode` (string): Grantee code prefix (e.g. "BCG" for Apple)
- `limit` (integer): Max results (max 100)

### `fcc_details` (~59 tokens)

Get full FCC certification details for a specific FCC ID. Returns equipment info, test reports, grant conditions, and compliance documents.

Input parameters:

- `fccId` (string, required): FCC ID to look up (e.g. "BCG-E3994A")

### `childcare_cost` (~119 tokens)

Look up childcare costs by ZIP code, county, or state. Uses DOL National Database of Childcare Prices (48K records). Returns weekly/annual prices for center-based and family childcare by age group.

Input parameters:

- `county_fips` (string): County FIPS code (e.g. "06037" for Los Angeles)
- `state` (string): State abbreviation (e.g. "CA")
- `year` (integer): Data year (default: latest available)
- `zip` (string): ZIP code (e.g. "90210")

### `childcare_states` (~45 tokens)

Get childcare cost averages for all US states. Compare center-based and family childcare pricing across the country by age group.

Input parameters:

- `year` (integer): Data year (default: latest available)

### `childcare_compare` (~68 tokens)

Compare childcare costs side-by-side across multiple ZIP codes or locations. Compare up to 10 locations at once.

Input parameters:

- `locations` (string, required): Comma-separated ZIP codes (e.g. "90210,10001,60601")
- `year` (integer): Data year (default: latest)

### `search_estate_sales` (~101 tokens)

Search for estate sales by ZIP code or city/state. Find upcoming and active estate sales with dates, addresses, descriptions, and photos from EstateSales.net.

Input parameters:

- `city` (string): City name (e.g. "Los Angeles")
- `limit` (integer): Max results (max 50)
- `state` (string): State abbreviation (e.g. "CA")
- `zip` (string): ZIP code (e.g. "90210")

### `estate_sale_details` (~56 tokens)

Get full details of a specific estate sale including photos, items, dates, directions, and sale company info.

Input parameters:

- `sale_id` (string): Estate sale ID
- `url` (string): EstateSales.net URL for the sale

### `search_storage` (~88 tokens)

Search self-storage facilities by city/state or ZIP code. Find storage units with pricing, sizes, and availability from SelfStorage.com.

Input parameters:

- `city` (string): City name (e.g. "Los Angeles")
- `limit` (integer): Results per page (max 50)
- `page` (integer): Page number
- `state` (string): State abbreviation (e.g. "CA")

### `storage_facility_details` (~44 tokens)

Get full details for a specific self-storage facility including unit sizes, prices, amenities, hours, and reviews.

Input parameters:

- `url` (string, required): SelfStorage.com facility URL

### `home_service_cost` (~113 tokens)

Get cost estimates for home services (plumbing, electrical, cleaning, etc.). Returns min/max/average/median pricing and top-rated professionals in the area. Powered by Thumbtack data.

Input parameters:

- `location` (string): City/area name (e.g. "NYC", "Los Angeles")
- `service` (string, required): Service type (e.g. "plumber", "electrician", "house cleaning")
- `zip` (string): ZIP code for local pricing (e.g. "90210")

### `search_gsa_auctions` (~154 tokens)

Search US government surplus auctions from GSA (General Services Administration). Find vehicles, electronics, equipment, and more at below-market prices.

Input parameters:

- `agency` (string): Agency filter (e.g. "DoD", "GSA")
- `limit` (integer): Max results (max 50)
- `max_bid` (number): Maximum bid amount
- `min_bid` (number): Minimum bid amount
- `offset` (integer): Offset for pagination
- `query` (string): Search term (e.g. "computer", "vehicle", "furniture")
- `state` (string): State filter (e.g. "CA", "TX")
- `status` (string): Auction status filter

### `gsa_auction_details` (~62 tokens)

Get full details of a specific GSA surplus auction lot including description, bid info, location, inspection dates, and sale terms.

Input parameters:

- `lot_number` (string, required): Lot number within the sale
- `sale_number` (string, required): GSA sale number

### `gsa_auction_stats` (~35 tokens)

Get aggregated statistics for GSA surplus auctions — breakdown by state, agency, status, total bid amounts, and averages.

### `skillguard_verify` (~127 tokens)

Verify the safety of an AI agent skill/tool before execution. Classifies as SAFE, CAUTION, or DANGER based on permissions, commands, and description analysis. Use this to audit MCP tools, OpenAI functions, or any agent capability.

Input parameters:

- `commands` (array): Shell commands the skill may execute (e.g. ["rm -rf", "curl"])
- `description` (string, required): What the skill does
- `name` (string, required): Skill/tool name to verify
- `permissions` (array): Permissions required (e.g. ["filesystem:read", "network:write"])

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/lulzasaur9192-marketplace-search/lulzasaur9192-marketplace-search-mcp#diagnostics

## Score history

- 2026-08-03: 67
- 2026-08-02: 64
- 2026-08-01: 21
- 2026-07-31: 21
- 2026-07-30: 46
- 2026-07-28: 46
- 2026-07-27: 46

## Links

- npm package: https://www.npmjs.com/package/@lulzasaur9192/marketplace-search-mcp
- Socket report: https://socket.dev/npm/package/@lulzasaur9192/marketplace-search-mcp
- Repository: https://github.com/lulzasaur9192/marketplace-search-mcp
- Changelog RSS feed: https://verifymcp.io/servers/lulzasaur9192-marketplace-search/lulzasaur9192-marketplace-search-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/lulzasaur9192-marketplace-search/lulzasaur9192-marketplace-search-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/lulzasaur9192-marketplace-search/lulzasaur9192-marketplace-search-mcp