Stores / Supplements

grenade.com

Grenade · Supplements · United Kingdom · checked 8 Oct 2026

AI agents can reach checkout at grenade.com.

A block is a response to ARC's automated checker, not a judgment about the store.

Checked 8 Oct 2026. A result is what ARC's automated agent observed on 8 Oct 2026, not a judgment about the store. Is this wrong? / Opt out

Lets AI crawlers in: yesLets AI answer agents in: yesAn agent gets a page back: yesAgents can read price and stock: yesAgent accessUCP profile passes validation: yesOffers agents a product catalog: yesWebMCP on the page: yesReturns a checkout link: yesProtocolsDetected on8 of 8checks measured
DetectedNot detected

How far an agent got

The path a shopping agent takes from your homepage to a checkout link. ARC stops before payment.

  1. Reach the storeGet a page back
  2. Find the productSearch or browse to it
  3. Read the detailsPrice, stock, options
  4. Build a cartAdd the product
  5. Get a checkout linkHanded back to the shopper

What we checked

Each check is a yes or no from the snapshot.

Agent access

4 of 4 passed

  • Lets AI crawlers in · Yes

    robots.txt rules for crawlers like GPTBot and ClaudeBot

  • Lets AI answer agents in · Yes

    robots.txt rules for agents that fetch pages when a shopper asks

  • An agent gets a page back · Yes

    ARC's automated HTTP check on 8 Oct 2026

  • Agents can read price and stock · Yes

    From the product page or the agent catalog

Protocols

4 of 4 passed

  • UCP profile passes validation · Yes

    The profile ARC's validator accepts

  • Offers agents a product catalog · Yes

    A catalog an agent can search, like Shopify's UCP MCP

  • WebMCP on the page · Yes

    A WebMCP adapter in the page HTML

  • Returns a checkout link · Yes

    The agent asks for a cart and gets a checkout URL back

Against other supplements stores

394 supplements stores in the 30 Oct 2026 snapshot, sorted by how far an agent got. Grenade is ringed. Hover any dot to see who it is.

ARC's agent got a checkout link 271Found it, checkout not detected 30ARC's agent didn't find a product 93
  • ARC's agent got a checkout link
    Supplements: 271 of 394 (69%)
    All stores: 7,219 of 10,113 (71%)
  • Turned away ARC's check
    Supplements: 19 of 413 attempted
    All stores: 497 of 10,610 attempted
  • robots.txt blocks AI crawlers
    Supplements: 6 of 383 (2%)
    All stores: 154 of 9,923 (2%)
Every number is from ARC open-data snapshot 2026-10-30 (CC BY 4.0). ARC is independent and not affiliated with the stores it checks.