Connect

8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "coronet-arcade": {
      "type": "http",
      "url": "https://coronet.one/mcp"
    }
  }
}

claude mcp add --transport http coronet-arcade https://coronet.one/mcp

[mcp_servers.coronet-arcade]
url = "https://coronet.one/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "coronet-arcade": {
      "type": "remote",
      "url": "https://coronet.one/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "coronet-arcade": {
      "type": "http",
      "url": "https://coronet.one/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=coronet-arcade&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vY29yb25ldC5vbmUvbWNwIn0%3D"
}

{
  "servers": {
    "coronet-arcade": {
      "type": "http",
      "url": "https://coronet.one/mcp"
    }
  }
}

{
  "mcpServers": {
    "coronet-arcade": {
      "httpUrl": "https://coronet.one/mcp"
    }
  }
}

extensions:
  "coronet-arcade":
    enabled: true
    name: "coronet-arcade"
    type: streamable_http
    uri: "https://coronet.one/mcp"
    timeout: 300

Quality 89 / 100new

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations3 of 3 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 512 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool history recorded for 5 of the 7 days needed

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

3 tools, about 512 tokens to load them all · tool set 740bd4cae936 · tools last changed 2026-10-17 · checked 2026-10-19 16:20 UTC

Tool changes

2026-10-17get_ruleschangeddescription, input schemameaning changed
before
Explain the rules and normal controls for one Coronet Arcade game without revealing a puzzle answer.
after · 24% of words in common
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.
2026-10-17open_dailychangeddescription, input schemameaning changed
before
Open the playable daily puzzle with normal controls, undo and finite hints, or the thirteen-puzzle hub. Progress lasts in the active widget and does not sync to the website. Do not describe or reveal solutions.
after · 39% of words in common
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.
2026-10-17list_dailieschangeddescription
before
List the thirteen daily puzzles, their descriptions, and exact daily identities. No puzzle answers. Use open_daily to play one or open the hub.
after · 53% of words in common
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.

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository

provenance55

liveness100

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-5d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://coronet.one/mcp` streamable-http	none	yes	100%	343 ms	2025-11-25	2026-10-19

Tools (3)

`get_rules`read-only	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.
`list_dailies`read-only	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_daily`read-only	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.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "one.coronet/coronet-arcade",
  "title": "Coronet Arcade",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://coronet.one/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.0",
  "websiteUrl": "https://coronet.one/connect/",
  "description": "Play 13 free daily logic and word puzzles, or get spoiler-free rules. No signup required."
}