MCP server

holdmark · facts about online stores Official

org.holdmark/registry

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

Does this store deliver and refund? Measured with carriers and payment processors.

Working at last checkVerified publisher: holdmark.orgAbout 668 tokens per request once connected3 tools

https://holdmark.org/mcp

At a glance

Type: MCP server
Publisher: holdmark.org (verified by the MCP Registry)
Status: Working at last check
Tools: 3
Token cost: About 668 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

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 registry https://holdmark.org/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.registry]
url = "https://holdmark.org/mcp"

Gemini CLI

{"mcpServers":{"registry":{"httpUrl":"https://holdmark.org/mcp"}}}

Cursor

{"mcpServers":{"registry":{"url":"https://holdmark.org/mcp"}}}

VS Code

{"servers":{"registry":{"type":"http","url":"https://holdmark.org/mcp"}}}

Antigravity

agy mcp add registry https://holdmark.org/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":"registry","server_url":"https://holdmark.org/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"registry","server_url":"https://holdmark.org/mcp"}

find_stores ~370 tokens
List the online stores in the holdmark registry, with a summary of their published facts. Each store publishes the same facts under the same rules: whether it delivers its orders (checked with the carrier) and whether it refunds money (checked with the payment processor). holdmark does not rank stor
get_store ~196 tokens
Read the full holdmark record for one store, by its domain. Figures are rounded against the merchant, order volume is published in bands rather than exact numbers, and every figure carries the period it covers and the source it came from. A fact with no data answers "not_measured" with its reason, n
how_holdmark_works ~102 tokens
How every figure in the registry is calculated, what the words mean, and above all what holdmark does NOT measure. Read this before drawing a conclusion from any record: it is what stops a figure being read as something it is not.

teas.co.uk
Find, compare and buy tea, coffee and hot chocolate from teas.co.uk, a UK online tea shop.
Final POS – Custom POS Builder
Build custom POS apps with any AI agent: checkout flows, kiosks, payment terminals. Plus store ops.
Meni Guest
Guest API for meni.ge restaurants: browse menus, place orders, reserve tables. No auth needed.
LootCodes
Search LootCodes game keys, gift cards and top-ups, compare prices and prepare a cart link.
Neoavis
What an AI agent found when shopping at 300 French online merchants: score, six steps, five facts.
Facet UCP Shopping
The independent agent-commerce protocol for AI-agent checkout on any online store.
Myrmigo
Travel booking reference: official sites, who services a booking, EU261/UK261 compensation checks
UCP Checker
Check any domain for UCP support and resolve verified UCP storefronts. Read-only, keyless.

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