Vellium & Co Testing Lab

Reviewed 53m ago. Tool definitions changed on Oct 12, 2026.

• tools: 8 tools scanned
• metadata: scanned

• mediumReviewTool definitions changed after an earlier review

  A server that changes its tool descriptions after being approved ("rug pull") can slip new instructions to agents. Re-check what changed before trusting it.

  changed 2026-10-12

Tools (8)

• 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.

• list_websites

  Rated websites, filtered by market (e.g. 'United States', 'Japan') or plain-agent outcome (open, blocked, timeout).