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Ladderboard — round-robin ladders and match scores for small clubs

app.rowb.ladder/board · v1.0.0

Round-robin ladders and match scores for small clubs. Players join by QR poster; no app, no account.

Connect Remote server

Terminal
claude mcp add --transport http board https://ladder.rowb.app/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "board": {
      "url": "https://ladder.rowb.app/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "board": {
      "type": "http",
      "url": "https://ladder.rowb.app/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://ladder.rowb.app/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 5 found in our last check

  • create_ladder

    Create or update the club ladder: club name and sport. Returns the join URL (the poster target) that players scan.

  • add_player

    Register one player by name. Returns a 6-character code and a personal URL so the player can be identified at the courts without an account.

  • record_match

    Record a finished match result. Identify players by name, numeric id, or 6-character code. Give the set score (sets_a, sets_b) and optionally the games.

  • schedule_match

    Put a match on the calendar before it is played. It appears as a pending card in the standings output.

  • get_standings

    The current table (rank, wins, losses, set percentage) plus the single most useful match to play next. Standings are computed with a fixed rule order, so the same results always give the same table.

Headers

NameDescription
Authorization
Required, secret
Bearer API key. Free key at https://ladder.rowb.app/signup (50 recorded matches/month, no card).

Details

Endpointhttps://ladder.rowb.app/mcp (Streamable HTTP)
First published25 Sep 2026
Last updated25 Sep 2026
Registry nameapp.rowb.ladder/board

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