Stampcard — digital stamp cards for small shops, no app for the customer MCP Server

by rowb-stampcard Your server? Claim it

answering

Stampcard — digital stamp cards for small shops, no app for the customer is answering right now. Last checked 12 min ago. It exposes 5 tools.

Create a shop program, hand customers a browser stamp card by QR poster, stamp it from a phone.

Uptime history 13 hours of history · worst hour 0%

13 hours agonow

88.9%

Uptime 24h

40 of 45 checks

Tools

read from the server

762 ms

Response time

average over 24h

open, no key

Access

streamable-http

Stampcard — digital stamp cards for small shops, no app for the customer does not always answer

Over the last week it answered 88.9% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cards --transport http https://stampcard.rowb.app/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cards": {
      "url": "https://stampcard.rowb.app/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.cards]
url = "https://stampcard.rowb.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cards": {
      "url": "https://stampcard.rowb.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "cards": {
      "url": "https://stampcard.rowb.app/mcp"
    }
  }
}

Available tools 5

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

program

create_program

Create or update the shop program: shop name, reward text, stamps required before a reward. Returns the program and its join URL (the poster target).

program_stats

Program plus this month stamp usage and quota, so a shop can tell how close it is to the free limit.

card

get_card

Read one customer card: how many stamps, what the reward is, whether it is ready to redeem.

redeem

redeem

Redeem the reward on a card that has reached its required stamps. Resets the stamp count and increments the rewards-earned counter.

stamp

stamp

Add one stamp to a customer card. Identify the card by its 8-character code (from the customer page) or by its token. One stamp per card per day unless allow_multiple is true.

Endpoints

URL	Transport	State	Latency	Checked
https://stampcard.rowb.app/mcp	streamable-http	answering	1190 ms	12 min ago

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Stampcard — digital stamp cards for small shops, no app for the customer — questions

Answers built from our own checks of this server.

What can Stampcard — digital stamp cards for small shops, no app for the customer do?

It exposes 5 tools, read directly from the server on our last check. Among them: create_program, get_card, program_stats, redeem, stamp. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Stampcard — digital stamp cards for small shops, no app for the customer working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 40 of 45 checks got a reply (88.9%), average response time 762 ms. The bar chart above shows every period we have measured.

How do I connect Stampcard — digital stamp cards for small shops, no app for the customer?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Stampcard — digital stamp cards for small shops, no app for the customer need an API key?

No. Stampcard — digital stamp cards for small shops, no app for the customer completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Stampcard — digital stamp cards for small shops, no app for the customer?

It answers our handshake in 762 ms on average, which is faster than 16% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.