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Vellium & Co Testing Lab

com.velliumandco/lab · v1.0.0

Independent checks of paid x402 data sellers and of AI-agent access to shopping and travel sites

Connect Remote server

Terminal
claude mcp add --transport http lab https://velliumandco.com/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "lab": {
      "url": "https://velliumandco.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "lab": {
      "type": "http",
      "url": "https://velliumandco.com/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://velliumandco.com/mcp

Tools 9 found in our last check

  • search_sellers

    Find paid x402 data services AI agents can buy, inside one category, ranked. Use before paying any seller.

  • check_seller

    Our latest independent check of one paid seller, by its address (any spelling) or id: answering, price, buyers, and its paid answers checked against an independent record (with proof).

  • sellers_on_domain

    Every paid seller we check on one host.

  • list_categories

    Every category of paid service agents buy, with sellers, buyers and how we check it; names in your language with lang.

  • check_website

    Can AI agents use this shopping or travel website? Plain-agent access, each AI agent at the door, robots rules, llms.txt, history.

  • batch

    Check up to 25 sellers and 25 websites in one call (cheapest for many checks).

  • changes

    What changed since a day — keep a local copy in sync.

  • find_route

    Where to go for a job, before you spend tokens on trial and error: the best tested free official source with its exact call and how much it returns (and a fallback). Ask in plain words, e.g. 'UK company directors', 'Apple revenue', 'EU gas storage'. detail=full adds the paid sel…

  • list_websites

    Rated websites, filtered by market (e.g. 'United States', 'Japan'), plain-agent outcome (open, blocked, timeout) or price honesty (does the price agents read match what people see).

Details

Endpointhttps://velliumandco.com/mcp (Streamable HTTP)
First published12 Oct 2026
Last updated12 Oct 2026
Registry namecom.velliumandco/lab

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