MCP server

Vellium & Co Testing Lab

com.velliumandco/lab

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website

At a glance

Type

MCP server

Publisher

velliumandco.com (verified by the MCP Registry)

Status

Working at last check

Tools

9

Token cost

About 1,303 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http lab https://velliumandco.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.lab]
url = "https://velliumandco.com/mcp"

Gemini CLI

{"mcpServers":{"lab":{"httpUrl":"https://velliumandco.com/mcp"}}}

Cursor

{"mcpServers":{"lab":{"url":"https://velliumandco.com/mcp"}}}

VS Code

{"servers":{"lab":{"type":"http","url":"https://velliumandco.com/mcp"}}}

Antigravity

agy mcp add lab https://velliumandco.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"lab","server_url":"https://velliumandco.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"lab","server_url":"https://velliumandco.com/mcp"}

Tools

• batch ~76 tokens
  Check up to 25 sellers and 25 websites in one call (cheapest for many checks).
• changes ~54 tokens
  What changed since a day — keep a local copy in sync.
• check_seller ~102 tokens
  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).
• check_website ~86 tokens
  Can AI agents use this shopping or travel website? Plain-agent access, each AI agent at the door, robots rules, llms.txt, history.
• find_route ~229 tokens
  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 sellers we rate and othe
• list_categories ~113 tokens
  Every category of paid service agents buy, with sellers, buyers and how we check it; names in your language with lang.
• list_websites ~260 tokens
  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).
• search_sellers ~323 tokens
  Find paid x402 data services AI agents can buy, inside one category, ranked. Use before paying any seller.
• sellers_on_domain ~60 tokens
  Every paid seller we check on one host.

Browse

• Website monitoring
• Travel and flights

Related MCP servers

• Shoptegrity
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• IGNOREO
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• Lumière PayCheck
  Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
• Settled
  Check x402 endpoints before your agent pays: payTo, paid test purchases, payee and buyer reports
• Lumi Trades: x402 seller checks and test-buys
  Free signed allow/warn/block before paying x402 sellers; test-buys on XRPL, Base and Stellar
• Maxwell Directory (x402 + MCP)
  Local providers worldwide, plus travel and public data. Free search; paid answers via x402.
• x402-seller — rug protection & safe-alpha for trading agents
  Rug-check & launch radar for trading agents: composite honeypot score, EVM+Solana, keyless x402.
• BotsRated (beta)
  Signed checks of x402 sellers on Base and remote MCP servers, before your agent pays.

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