MCP server

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

app.rowb.stampcard/cards

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

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

Working at last checkVerified publisher: rowb.appAbout 401 tokens per request once connected5 tools

https://stampcard.rowb.app/mcp

At a glance

Type: MCP server
Publisher: rowb.app (verified by the MCP Registry)
Status: Working at last check
Tools: 5
Token cost: About 401 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 cards https://stampcard.rowb.app/mcp

Claude Desktop

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

Codex (config.toml)

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

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"cards":{"type":"http","url":"https://stampcard.rowb.app/mcp"}}}

Antigravity

agy mcp add cards https://stampcard.rowb.app/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":"cards","server_url":"https://stampcard.rowb.app/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"cards","server_url":"https://stampcard.rowb.app/mcp"}

create_program ~107 tokens
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).
get_card ~65 tokens
Read one customer card: how many stamps, what the reward is, whether it is ready to redeem.
program_stats ~55 tokens
Program plus this month stamp usage and quota, so a shop can tell how close it is to the free limit.
redeem ~76 tokens
Redeem the reward on a card that has reached its required stamps. Resets the stamp count and increments the rewards-earned counter.
stamp ~98 tokens
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.

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