Stampcard — digital stamp cards for small shops, no app for the customer
Create a shop program, hand customers a browser stamp card by QR poster, stamp it from a phone.
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"cards": {
"url": "https://stampcard.rowb.app/mcp"
}
}
}Remote endpoints
https://stampcard.rowb.app/mcpstreamable-httpWhat it can do
Tool inventory
Tools (5)
🟡create_program(shop, reward, stamps_required)
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).
Input Schema
{
"type": "object",
"properties": {
"shop": {
"type": "string"
},
"reward": {
"type": "string"
},
"stamps_required": {
"type": "integer",
"minimum": 2,
"maximum": 50
}
},
"required": [
"shop"
]
}🟡stamp(code, token, allow_multiple)
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.
Input Schema
{
"type": "object",
"properties": {
"code": {
"type": "string"
},
"token": {
"type": "string"
},
"allow_multiple": {
"type": "boolean"
}
}
}🟢get_card(code, token)
Read one customer card: how many stamps, what the reward is, whether it is ready to redeem.
Input Schema
{
"type": "object",
"properties": {
"code": {
"type": "string"
},
"token": {
"type": "string"
}
}
}🟢redeem(code, token)
Redeem the reward on a card that has reached its required stamps. Resets the stamp count and increments the rewards-earned counter.
Input Schema
{
"type": "object",
"properties": {
"code": {
"type": "string"
},
"token": {
"type": "string"
}
}
}⚪program_stats
Program plus this month stamp usage and quota, so a shop can tell how close it is to the free limit.
Input Schema
{
"type": "object",
"properties": {}
}Community
Evidence