MCP server

Sports Rules

com.gumballtools/sports-rules

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Work an offside call through IFAB Law 11 or NHL Rule 83, step by step.

Working at last checkVerified publisher: gumballtools.comAbout 1,701 tokens per request once connected2 tools

https://sports-rules.gumballtools.com/api/mcp

At a glance

Type: MCP server
Publisher: gumballtools.com (verified by the MCP Registry)
Status: Working at last check
Tools: 2
Token cost: About 1,701 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http sports-rules https://sports-rules.gumballtools.com/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.sports-rules]
url = "https://sports-rules.gumballtools.com/api/mcp"

Gemini CLI

{"mcpServers":{"sports-rules":{"httpUrl":"https://sports-rules.gumballtools.com/api/mcp"}}}

Cursor

{"mcpServers":{"sports-rules":{"url":"https://sports-rules.gumballtools.com/api/mcp"}}}

VS Code

{"servers":{"sports-rules":{"type":"http","url":"https://sports-rules.gumballtools.com/api/mcp"}}}

Antigravity

agy mcp add sports-rules https://sports-rules.gumballtools.com/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"sports-rules","server_url":"https://sports-rules.gumballtools.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"sports-rules","server_url":"https://sports-rules.gumballtools.com/api/mcp"}

offside ~1502 tokens
Work an offside call through the published decision procedure — association football under IFAB Law 11, or ice hockey under NHL Rule 83 — and return every step, not just the verdict. Use this for any "was that offside" question in either sport. The two rules are structurally OPPOSITE and are routin
offside_rule_contrast ~199 tokens
Return the structural differences between soccer offside and hockey offside, dimension by dimension. Use this when someone asks how the two compare, or when you are about to reason about one sport using an intuition from the other — which is the commonest way to get either wrong. They differ on wha

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