Stampcard — digital stamp cards for small shops, no app for the customer
mcp remote · streamable-http · v1.0.0 · source: crawl
https://stampcard.rowb.app/mcp
Create a shop program, hand customers a browser stamp card by QR poster, stamp it from a phone.
Works
100
Verified Oct 31, 2026 · p50 657 ms · p95 991 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'stampcard' |
| tools_listed | 15 | pass | 5 tools |
| schema_complete | 15 | pass | 5 of 5 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 657 ms |
| latency_p95 | 5 | pass | p95 991 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (5)
| Name | Description | Schema |
|---|---|---|
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). | typed |
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. | typed |
get_card | Read one customer card: how many stamps, what the reward is, whether it is ready to redeem. | typed |
redeem | Redeem the reward on a card that has reached its required stamps. Resets the stamp count and increments the rewards-earned counter. | typed |
program_stats | Program plus this month stamp usage and quota, so a shop can tell how close it is to the free limit. | typed |
Badge
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[](https://app.agent-xm.com/a/app-rowb-stampcard-cards)
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