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Coronet Arcade MCP Server

answering

Coronet Arcade is answering right now. Last checked 11 min ago. It exposes 3 tools.

Play 13 free daily logic and word puzzles, or get spoiler-free rules. No signup required.

Uptime history 25 days of history
25 days agonow
100.0%
Uptime 24h
91 of 91 checks
3
Tools
read from the server
248 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 5

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 17 October 2026. No other catalogue keeps this.

17 Oct 3 tool descriptions were rewritten get_rules, list_dailies, open_daily
17 Oct 2 tools changed the parameters they ask for get_rules, open_daily

Nothing serious here today

Today is the operative word: we check Coronet Arcade every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 11 min ago.

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

dailies
list_dailies
List today's thirteen puzzles, their blurbs, and exact daily ids. No answers. Use open_daily to play one or the hub, and get_rules to explain a game without opening it.
open
open_daily
Open a playable daily, or the thirteen-puzzle hub when game is omitted or hub. Pass a game id to open that board; game defaults to hub. Progress stays in the widget and does not sync to the website. Do not reveal solutions. Use list_dailies to browse and get_rules to explain a game instead of opening it.
rules
get_rules
Explain one game's rules and controls as titled steps, never a puzzle answer. Required game is a game id, not a board. Use this to teach a game. Use list_dailies to browse today's puzzles and open_daily to play.

Endpoints

URLTransportStateLatencyChecked
https://coronet.one/mcp streamable-http answering 250 ms 11 min ago

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Coronet Arcade — questions

Answers built from our own checks of this server.

What can Coronet Arcade do?
It exposes 3 tools, read directly from the server on our last check. Among them: get_rules, list_dailies, open_daily. 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 Coronet Arcade working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 248 ms. The bar chart above shows every period we have measured.
How do I connect Coronet Arcade?
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 Coronet Arcade need an API key?
No. Coronet Arcade 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 Coronet Arcade?
It answers our handshake in 248 ms on average, which is faster than 55% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.