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Tapwhich MCP Server

answering

Tapwhich is answering right now. Last checked 4 min ago. It exposes 1 tools.

Which of your cards to tap at a place: the cashback, cap and conditions, from the banks' own pages.

Uptime history 16 days of history · worst day 98%
16 days agonow
100.0%
Uptime 24h
92 of 92 checks
1
Tools
read from the server
223 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 6

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 20 October 2026. No other catalogue keeps this.

31 Oct a tool changed version
30 Oct a tool changed version
22 Oct a tool changed version
20 Oct a tool changed version2 times that day
20 Oct a tool description was rewritten pick_card
and 1 more, back to 20 October 2026

Tapwhich missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

run in your terminal
claude mcp add tapwhich --transport http https://tapwhich.openkrill.app/mcp
Settings → Connectors → Add custom connector, then paste this address
https://tapwhich.openkrill.app/mcp
~/.codex/config.toml
[mcp_servers.tapwhich]
url = "https://tapwhich.openkrill.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "tapwhich": {
      "url": "https://tapwhich.openkrill.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "tapwhich": {
      "type": "http",
      "url": "https://tapwhich.openkrill.app/mcp"
    }
  }
}

Available tools 1

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

pick
pick_card
Use this when someone asks which of their credit or debit cards to pay with at a shop, app, category or city, to get the most cashback. Pass the place (a merchant such as Grab or Shopee, a category such as dining or supermarket, or a city such as Tokyo, or both: 'dining in Tokyo') and the cards they hold (names or ids). It answers in one line, 'use card X here, because Y, up to cap Z', with the second-best card, each card's cap and conditions, and the bank source link, plus the dated bank and card-network offers live at that place for those cards today. The data pack covers Vietnam-issued cards; amounts are in VND.

Endpoints

URLTransportStateLatencyChecked
https://tapwhich.openkrill.app/mcp streamable-http answering 198 ms 4 min ago

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Tapwhich — questions

Answers built from our own checks of this server.

What can Tapwhich do?
It exposes 1 tools, read directly from the server on our last check. Among them: pick_card. 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 Tapwhich working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 223 ms. The bar chart above shows every period we have measured.
How do I connect Tapwhich?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Tapwhich need an API key?
No. Tapwhich completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Tapwhich?
It answers our handshake in 223 ms on average, which is faster than 62% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.