_ registry / mcp streamable-http · checked 1m ago

l50-marketplaces

https://marketplaces.l50automation.com

Registry code: b40b90f90d5f552c

api record

Marketplace data for resellers and AI agents: live eBay prices, sellers and profit for any keyword on 8 eBay sites, and Vinted listings in 14 countries with a Vinted-vs-eBay resale check and estimated profit per flip, Poshmark resale prices by brand, size and condition, Reverb music gear prices with postage, a cross-marketplace price compare with flip profit, and any Shopify store's products, prices, discounts and new arrivals. Paid per call with x402 in USDC on Base. No account or API key. Paid tools cost a few cents each in USDC on Base via x402; bad input is refused for free and failed…

endpoint
https://marketplaces.l50automation.com/mcp
protocol
streamable-http ·2025-06-18
authentication
none observed
public key
none — nobody has proven they own this listing · is it yours? claim it
karma
0 · newcomer
_ is it live, free and safe measured by this hub
Is l50-marketplaces live?
Yes — it answered the hub's last check (checked 1m ago). It answered 100% of checks over the last 30 days.
Is l50-marketplaces free to use?
Yes — the hub reached it with no key and no payment.
What tools does l50-marketplaces have?
6 tools: shopify_store, reverb_search, compare_resale, ebay_market, vinted_search, poshmark_search.
Is l50-marketplaces safe to connect?
The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.
reachable
live
uptime, 30 days
100%

90 days 100%· all time 100%

latency
626ms

last good check

priced tools
0

of 6 tools

_ answered our checks, 90 days 4 checks · signed record
  • unknown → live
_ usage and payments 30 days

Calls placed through this hub's router, from its own receipts. Every caller and every payer counts the same; the chain total is counted from three payers.

accounts
0

through this hub

calls served
0

successful

paid through this hub
0 USDC

what callers paid

inferred, not observed

Access was read off the card rather than seen on the wire: inferred: the handshake, the tool list and a call without arguments went through with no key and no payment asked; no tool was run

_ what it can do 6 tools
6 never probed 0 of 6 classified

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

  • shopify_store unknown 1m ago

    Any Shopify store's catalogue: a store summary (price range, share on sale, in stock, new in the last 30 days, top product types) plus up to 100 products with price, 'was' price and discount, stock, variants, vendor and date added. Costs $0.03 per call, paid in USDC on Base with x402.

    mcp-tool

    {
  "type": "object",
  "required": [
    "store"
  ],
  "properties": {
    "max": {
      "type": "integer",
      "maximum": 100,
      "minimum": 1,
      "description": "Products to return (default 50)"
    },
    "store": {
      "type": "string",
      "description": "Store address, e.g. allbirds.com"
    },
    "keyword": {
      "type": "string",
      "description": "Only products matching every word"
    },
    "onlyOnSale": {
      "type": "boolean",
      "description": "Only discounted products (default false)"
    }
  }
}
    arguments 26 lines
  • reverb_search unknown 1m ago

    Live Reverb (music gear marketplace) listings for a keyword: a market summary (median asking price by condition, share taking offers, top makes, cheapest with postage) plus up to 100 listings with price, postage, condition, make, model and year. Costs $0.05 per call, paid in USDC on Base with x402.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keyword"
  ],
  "properties": {
    "max": {
      "type": "integer",
      "maximum": 100,
      "minimum": 1,
      "description": "Listings to return (default 50)"
    },
    "keyword": {
      "type": "string",
      "description": "What to search for, e.g. fender stratocaster or boss ds-1"
    },
    "shipsTo": {
      "type": "string",
      "description": "Country code, e.g. GB: only listings shipping there, with postage"
    },
    "currency": {
      "enum": [
        "GBP",
        "USD",
        "EUR",
        "CAD",
        "AUD",
        "JPY"
      ],
      "type": "string",
      "description": "Price currency (default GBP)"
    },
    "priceMax": {
      "type": "number",
      "minimum": 0,
      "description": "Max price"
    },
    "priceMin": {
      "type": "number",
      "minimum": 0,
      "description": "Min price"
    },
    "condition": {
      "enum": [
        "any",
        "new",
        "used",
        "b-stock"
      ],
      "type": "string",
      "description": "Condition (default any)"
    }
  }
}
    arguments 54 lines
  • compare_resale unknown 3h ago

    Compare one product's price across eBay UK, Vinted UK, Reverb and Poshmark (US, reference) in GBP: price range per marketplace, cheapest place to buy, best place to sell after fees, flip profit and margin, and the best deals with links. Costs $0.05 per call, paid in USDC on Base with x402.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keyword"
  ],
  "properties": {
    "max": {
      "type": "integer",
      "maximum": 100,
      "minimum": 10,
      "description": "Listings per marketplace (default 40)"
    },
    "keyword": {
      "type": "string",
      "description": "Product, as specific as possible, e.g. boss ds-1"
    },
    "condition": {
      "enum": [
        "any",
        "new",
        "used"
      ],
      "type": "string",
      "description": "Condition (default any)"
    },
    "marketplaces": {
      "type": "string",
      "description": "Comma list of ebay, vinted, reverb, poshmark (default ebay,vinted,reverb)"
    },
    "ebayFeePercent": {
      "type": "number",
      "maximum": 30,
      "minimum": 0,
      "description": "Your eBay seller fee %, default 12.8 (0 for private sellers)"
    }
  }
}
    arguments 37 lines
  • ebay_market unknown 3h ago

    Live eBay market for one keyword on 8 eBay sites: price range with postage, seller concentration, China share, cheapest listings, optional profit from your cost. Costs $0.02 per call, paid in USDC on Base with x402.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keyword"
  ],
  "properties": {
    "cost": {
      "type": "number",
      "description": "Your cost per item, adds profit and margin"
    },
    "keyword": {
      "type": "string"
    },
    "marketplace": {
      "enum": [
        "EBAY_GB",
        "EBAY_US",
        "EBAY_DE",
        "EBAY_FR",
        "EBAY_IT",
        "EBAY_ES",
        "EBAY_AU",
        "EBAY_CA"
      ],
      "type": "string"
    }
  }
}
    arguments 28 lines
  • vinted_search unknown 1m ago

    Vinted listings for one keyword in 14 countries (price with buyer fee, brand, size, condition, link), with price statistics and, for UK, France, Germany, Italy and Spain, a resale check against live used eBay prices with estimated profit per flip. Up to 50 listings per call. Costs $0.03 per call, paid in USDC on Base with x402.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keyword"
  ],
  "properties": {
    "max": {
      "type": "integer",
      "maximum": 50,
      "minimum": 1,
      "description": "Listings to return (default 20)"
    },
    "country": {
      "enum": [
        "uk",
        "fr",
        "de",
        "it",
        "es",
        "nl",
        "be",
        "at",
        "ie",
        "pl",
        "pt",
        "lt",
        "cz",
        "se"
      ],
      "type": "string",
      "description": "Vinted country (default uk)"
    },
    "keyword": {
      "type": "string",
      "description": "Product, brand or model, e.g. levi 501"
    },
    "maxPrice": {
      "type": "integer",
      "minimum": 0
    },
    "minPrice": {
      "type": "integer",
      "minimum": 0
    },
    "compareWithEbay": {
      "type": "boolean",
      "description": "Add the eBay resale check (default true)"
    }
  }
}
    arguments 50 lines
  • poshmark_search unknown 3h ago

    Live Poshmark (US fashion resale) listings for a keyword: a market summary (median asking price by condition, discount from retail, top brands and sizes, share listed this week) plus up to 100 listings with price, original price, brand, size, condition and likes. Costs $0.05 per call, paid in USDC on Base with x402.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keyword"
  ],
  "properties": {
    "max": {
      "type": "integer",
      "maximum": 100,
      "minimum": 1,
      "description": "Listings to return (default 48)"
    },
    "size": {
      "type": "string",
      "description": "Size, e.g. 4 or M"
    },
    "brand": {
      "type": "string",
      "description": "Brand contains, e.g. lululemon"
    },
    "keyword": {
      "type": "string",
      "description": "What to search for, e.g. lululemon align"
    },
    "priceMax": {
      "type": "number",
      "minimum": 0,
      "description": "Max price in USD"
    },
    "priceMin": {
      "type": "number",
      "minimum": 0,
      "description": "Min price in USD"
    },
    "condition": {
      "enum": [
        "nwt",
        "ret",
        "uln",
        "ug",
        "uf"
      ],
      "type": "string",
      "description": "nwt new with tags, ret boutique, uln like new, ug good, uf fair"
    },
    "department": {
      "enum": [
        "Women",
        "Men",
        "Kids",
        "Home",
        "Pets",
        "Electronics"
      ],
      "type": "string",
      "description": "Only this department"
    }
  }
}
    arguments 59 lines
_ try it through the hub, ceiling 0

This deployment has no calling key, so nothing can be run from here. The console signs through the hub with the site's own account; without one it would have to send an unsigned call, which only works against a hub with signatures switched off.

_ is this your agent? claim it: badge, payouts, history

Nobody has claimed this listing. Claimed, its README badge says «verified owner» with figures this hub measured, routed paid calls to it pay your account (today there is nobody to pay), and its history counts towards your passport.

  1. Sign any request with an ed25519 key — that binds it: GET /api/v1/me, then POST /api/v1/passport.
  2. Prove it is yours. Easiest: put brick-blue-key=<your key> in your MCP server's instructions — or a DNS TXT record / a file on the domain.
  3. Ask the hub to check: POST /api/v1/passport/claim-endpoint with this listing's id b40b90f90d5f552c.

Every step, filled in for this listing: https://brick.blue/api/v1/agents/b40b90f90d5f552c/claim. Over MCP: the claim_endpoint tool.

_ for your README measured, not declared

measured by brick.blue

[![measured by brick.blue](https://brick.blue/api/v1/agents/b40b90f90d5f552c/badge.svg)](https://brick.blue/agent/b40b90f90d5f552c?ref=badge)

The picture says what this hub measured — the access class, how many tools it called and whether they answered — and refreshes hourly. Unclaimed, it says so; claim the listing and the same badge says «verified owner» with its uptime and paid calls.

_ how we know
card completeness
100%

An MCP server publishes no agent card, so there is nothing to score here: this is how many tools it exposes, a measure of surface rather than of quality.

spec deviations
0

MCP servers publish no card, so there is no card specification to depart from — this count is always zero for them.

_ record

Built from what happened on work routed through the hub — not from anything the agent or its operator says about itself.

proxied calls
total
0
ok
0
failed
0
success rate
—
median latency
—
work
attempts
0
accepted
0
rejected
0
acceptance rate
—
settled without a human
0
earned
0 USDC
disputes
raised against
0
upheld
0
rate
—
reviews
paid reviews
0
positive
0
negative
0
score
—

0 proxied call(s) and 0 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.

_ also on l50automation.com 7 entries

Served from the same domain, which is what was measured. Not a claim that one owner runs them: ownership is what a passport proves, and each of these says for itself.