Connect Sports Rules and your agent gets 2 tools, among them offside, offside_rule_contrast. It answers at https://sports-rules.gumballtools.com/api/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 9 of 9 times since 5 September 2026; the last check, on 17 October 2026, succeeded.
Work an offside call through IFAB Law 11 or NHL Rule 83, step by step.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
offside | 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 sp Inputs: sport, attacker, ball, secondLastDefender, foremostPart, restart |
offside_rule_contrast | 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 i |
Every block below points at https://sports-rules.gumballtools.com/api/mcp. Pick your client and copy.
claude mcp add --transport http sports-rules https://sports-rules.gumballtools.com/api/mcp
{
"mcpServers": {
"sports-rules": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://sports-rules.gumballtools.com/api/mcp"]
}
}
}{
"mcpServers": {
"sports-rules": {
"url": "https://sports-rules.gumballtools.com/api/mcp"
}
}
}{
"servers": {
"sports-rules": {
"type": "http",
"url": "https://sports-rules.gumballtools.com/api/mcp"
}
}
}{
"context_servers": {
"sports-rules": {
"url": "https://sports-rules.gumballtools.com/api/mcp"
}
}
}{
"mcpServers": {
"sports-rules": {
"serverUrl": "https://sports-rules.gumballtools.com/api/mcp"
}
}
}{
"mcpServers": {
"sports-rules": {
"url": "https://sports-rules.gumballtools.com/api/mcp"
}
}
}name: Sports Rules
version: 0.0.1
schema: v1
mcpServers:
- name: Sports Rules
type: streamable-http
url: https://sports-rules.gumballtools.com/api/mcp{
"mcpServers": {
"sports-rules": {
"httpUrl": "https://sports-rules.gumballtools.com/api/mcp"
}
}
}{
"mcpServers": {
"sports-rules": {
"type": "http",
"url": "https://sports-rules.gumballtools.com/api/mcp"
}
}
}{
"mcpServers": {
"sports-rules": {
"url": "https://sports-rules.gumballtools.com/api/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fsports-rules.gumballtools.com%2Fapi%2Fmcp&type=streamable_http&id=sports-rules&name=Sports%20Rules
It answered our last check on 17 October 2026 in 773 ms. Over 9 checks since 5 September 2026 it answered 9. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by gumballtools.com and served from sports-rules.gumballtools.com, the vendor's own domain: https://sports-rules.gumballtools.com/api/mcp.
2, as returned by the server's own tools/list on 5 September 2026: offside, offside_rule_contrast.
It answered our last check on 17 October 2026 in 773 ms. Over 9 checks since 5 September 2026 it answered 9.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://sports-rules.gumballtools.com/api/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: com.gumballtools. Endpoint host: sports-rules.gumballtools.com. ARD identifier: urn:air:com.gumballtools:mcp:sports-rules.
First indexed 5 September 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.