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4grand MCP Server

not responding

4grand is listed as active in the registry but did not answer our last check. It exposes 3 tools.

Free fantasy pools for the four tennis Grand Slams. What play for love means, and who is winning.

Uptime history 20 days of history · worst day 0%
20 days agonow
2.2%
Uptime 24h
2 of 92 checks
3
Tools
read from the server
711 ms
Response time
average over 24h
open, no key
Access
streamable-http

4grand does not always answer

Over the last week it answered 0.5% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not 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 0 min ago.

run in your terminal
claude mcp add 4grand --transport http https://grand.tennis/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "4grand": {
      "url": "https://grand.tennis/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.4grand]
url = "https://grand.tennis/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "4grand": {
      "url": "https://grand.tennis/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "4grand": {
      "url": "https://grand.tennis/mcp"
    }
  }
}

Available tools 3

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

current
current_tournament
Which Grand Slam is in progress right now, how many matches are decided, and how fresh the results are.
how
how_4grand_works
Call this first. What 4GRAND is, what 'play for love' means, what it costs a player, and how scoring works.
public
public_pool_standings
The leaderboard of a public community pool, by its share token. Private and club pools are not available.

Endpoints

URLTransportStateLatencyChecked
https://grand.tennis/mcp streamable-http answering 54 ms 0 min ago

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4grand — questions

Answers built from our own checks of this server.

What can 4grand do?
It exposes 3 tools, read directly from the server on our last check. Among them: current_tournament, how_4grand_works, public_pool_standings. 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 4grand working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 2 of 92 checks got a reply (2.2%), average response time 711 ms. The bar chart above shows every period we have measured.
The registry lists 4grand as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect 4grand?
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 4grand need an API key?
No. 4grand completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is 4grand?
It answers our handshake in 711 ms on average, which is faster than 17% 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.