{"slug": "show-hn-kickoff-the-world-cup-with-49k-match-results-from-1872-to-2026", "title": "Show HN: Kickoff the World Cup with 49k match results from 1872 to 2026", "summary": "A new MCP server from Calypso provides access to 49,393 international soccer match results spanning 1872 to 2026, enabling AI agents to answer grounded questions about World Cup history without API keys or setup. The open-source tool indexes four CSV sources covering results, tournaments, venues, shootouts, goalscorers, and historical team names, and can be run instantly via npx for use with Claude Desktop or other AI assistants.", "body_md": "Ask an AI agent grounded questions about international soccer results, no setup ceremony required. This MCP server boots straight into a Calypso-powered World Cup demo corpus: 150 years of match history, ready for source-backed answers.\n\nBuilt with [Calypso](https://calypso.so). Learn more in the [Calypso docs](https://docs.calypso.so).\n\n```\nnpx -y @calypsohq/soccer-rag-mcp-server\n```\n\nThat is it. No API key, no dashboard setup, no copy-pasting secrets. The server connects to the same World Cup RAG corpus as the [RAG landing demo](https://rag.calypso.so/demos/world-cup-results).\n\nThis is the source-grounded research surface behind the World Cup Results Demo:\n\n- 4 indexed CSV sources\n- 49,393 match results from 1872 to 2026\n- Results, tournaments, venues, shootouts, goalscorers, and historical team names\n- Fast grounded answers by default, with citations from the soccer results corpus\n- Read-only demo mode powered by\n`calypso-rag-agent:worldcup`\n\nSource trail:\n\n`results.csv`\n\n: match results and venues, 49,393 rows`shootouts.csv`\n\n: shootout winners and first shooters`goalscorers.csv`\n\n: scorers, penalties, and own goals`former_names.csv`\n\n: historical team-name changes for 36 teams\n\n- Who are the best men's national soccer teams of all time? Rank them using the results corpus and cite your evidence.\n- Which national teams dominated each era of international soccer from 1872 to 2026?\n- Compare Brazil and Germany across World Cup eras using match results from the corpus.\n- How strong is home advantage in international soccer, and has it changed over time?\n- Does hosting a major tournament improve a country's performance? Use the corpus to show why or why not.\n- What patterns stand out in international penalty shootouts? Use\n`shootouts.csv`\n\nand cite examples.\n\n- Grounded answers from\n`calypso-rag-agent:worldcup`\n\n- Citation-rich responses through the Calypso Responses API\n- Handy resources like\n`soccer://corpus-info`\n\nand`soccer://starter-prompts`\n\n- A clean\n`ask-world-cup-soccer`\n\nMCP tool for match-history questions - A read-only demo surface, so agents can explore safely\n\nAdd this to your Claude Desktop MCP config:\n\n```\n{\n  \"mcpServers\": {\n    \"world-cup-soccer\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"@calypsohq/soccer-rag-mcp-server\"]\n    }\n  }\n}\n```\n\nRestart Claude Desktop, then ask Claude to use `world-cup-soccer`\n\nfor grounded soccer questions. The primary tool is `ask-world-cup-soccer`\n\n.\n\nWant to use your own Calypso project with upload and bucket tools enabled?\n\n```\nCALYPSO_API_KEY=sk-... npx -y @calypsohq/soccer-rag-mcp-server\n```\n\nBYOK mode switches from the public World Cup demo into your own Calypso knowledge workspace.\n\nFor Claude Desktop BYOK mode, add an `env`\n\nblock:\n\n```\n{\n  \"mcpServers\": {\n    \"world-cup-soccer\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"@calypsohq/soccer-rag-mcp-server\"],\n      \"env\": {\n        \"CALYPSO_API_KEY\": \"sk-...\"\n      }\n    }\n  }\n}\nnpm install\nnpm test\nnpm run smoke:stdio\n```\n\n", "url": "https://wpnews.pro/news/show-hn-kickoff-the-world-cup-with-49k-match-results-from-1872-to-2026", "canonical_source": "https://github.com/calypso-so/soccer-rag-mcp-server", "published_at": "2026-06-12 00:59:25+00:00", "updated_at": "2026-06-12 01:47:55.384587+00:00", "lang": "en", "topics": ["ai-agents", "ai-products", "ai-tools", "ai-infrastructure", "generative-ai"], "entities": ["Calypso", "World Cup", "MCP server", "Calypso docs", "RAG landing demo", "World Cup Results Demo", "soccer-rag-mcp-server", "calypso-rag-agent:worldcup"], "alternates": {"html": "https://wpnews.pro/news/show-hn-kickoff-the-world-cup-with-49k-match-results-from-1872-to-2026", "markdown": "https://wpnews.pro/news/show-hn-kickoff-the-world-cup-with-49k-match-results-from-1872-to-2026.md", "text": "https://wpnews.pro/news/show-hn-kickoff-the-world-cup-with-49k-match-results-from-1872-to-2026.txt", "jsonld": "https://wpnews.pro/news/show-hn-kickoff-the-world-cup-with-49k-match-results-from-1872-to-2026.jsonld"}}