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RIFFCADE

R0· no sign-in

Free, ad-free open-source browser games that open and play right inside the chat.

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality85new
Trust83of 100
Uptime, 30 days100%
Latency p50319 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "arcade": {
      "type": "http",
      "url": "https://mcp.riffcade.com/mcp"
    }
  }
}
claude mcp add --transport http arcade https://mcp.riffcade.com/mcp
[mcp_servers.arcade]
url = "https://mcp.riffcade.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "arcade": {
      "type": "remote",
      "url": "https://mcp.riffcade.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "arcade": {
      "type": "http",
      "url": "https://mcp.riffcade.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=arcade&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLnJpZmZjYWRlLmNvbS9tY3AifQ%3D%3D"
}
{
  "servers": {
    "arcade": {
      "type": "http",
      "url": "https://mcp.riffcade.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "arcade": {
      "httpUrl": "https://mcp.riffcade.com/mcp"
    }
  }
}
extensions:
  "arcade":
    enabled: true
    name: "arcade"
    type: streamable_http
    uri: "https://mcp.riffcade.com/mcp"
    timeout: 300

Quality 85 / 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 hygiene93 · 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.annotations4 of 4 tools declare readOnlyHint or destructiveHint
  • warn
    tools.directory_hints1 of 4 tools declare all four hints; missing: show_arcade (idempotentHint); new_games (idempotentHint); play_game (idempotentHint)
  • pass
    tools.token_costabout 395 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 6 of the 7 days needed
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 395 tokens to load them all · tool set 989da48e35ee · checked 2026-10-19 19:33 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

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-6d-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

remoteauthreachableuptime 30dp50protocollast ok
https://mcp.riffcade.com/mcp streamable-httpnoneyes100%319 ms2025-11-252026-10-19

Tools (4)

new_gamesread-onlyShow the games added to the RIFFCADE most recently (new games arrive twice a day).
play_gameread-onlyOpen one RIFFCADE game ready to play, by its name or slug.
rate_gameRecord the user's 1-5 star rating for an RIFFCADE game. Only call when the user gives a rating.
show_arcaderead-onlyShow the RIFFCADE: free open-source browser games that play well on a phone. Use when the user asks for RIFFCADE, the arcade, or a game to play or browse. Optional category filter (Puzzle, Arcade, Action, Racing, Strategy, Idle, Word & Math, 3D, Retro, 2-Player) or a search word.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.riffcade/arcade",
  "icons": [
    {
      "src": "https://riffcade.com/arcade/icons/icon-512.png",
      "sizes": [
        "512x512"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "RIFFCADE",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.riffcade.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://riffcade.com/",
  "description": "Free, ad-free open-source browser games that open and play right inside the chat."
}