毎日のAI駆動型世界サイエンス分析（GDELT、NewsAPI、Discord）

• •Discord Bot Token または Webhook
• •ターゲットAPIの認証情報が必要な場合あり
• •Google Gemini API Key

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  "name": "Daily AI-Powered Global Trend Analysis with GDELT, NewsAPI & Discord",
  "tags": [],
  "nodes": [
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      "parameters": {
        "url": "https://hn.algolia.com/api/v1/search?query=startup%20OR%20trend&tags=story&hitsPerPage=10",
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        "jsCode": "// Combine & normalize data from GDELT, Hacker News, and NewsAPI\n\nconst mergedData = [];\n\nfor (const item of items) {\n\n  // --- GDELT ---\n  if (item.json.articles && Array.isArray(item.json.articles)) {\n    for (const article of item.json.articles) {\n      let publishedAt = '';\n\n      if (article.seendate) {\n        try {\n          // Convert 20250909T101500Z → 2025-09-09T10:15:00Z\n          const clean = article.seendate.replace(\n            /(\\d{4})(\\d{2})(\\d{2})T(\\d{2})(\\d{2})(\\d{2})Z/,\n            '$1-$2-$3T$4:$5:$6Z'\n          );\n          publishedAt = new Date(clean).toISOString();\n        } catch {\n          publishedAt = new Date().toISOString(); // fallback\n        }\n      } else {\n        publishedAt = new Date().toISOString(); // fallback for missing date\n      }\n\n      mergedData.push({\n        source: article.domain || 'GDELT',\n        title: article.title || '',\n        url: article.url || '',\n        image: article.socialimage || '',\n        publishedAt,\n        language: article.language || 'Unknown',\n        country: article.sourcecountry || 'Unknown',\n      });\n    }\n  }\n\n  // --- Hacker News ---\n  else if (item.json.hits && Array.isArray(item.json.hits)) {\n    for (const hit of item.json.hits) {\n      mergedData.push({\n        source: 'Hacker News',\n        title: hit.title || hit.story_title || '',\n        url: hit.url || hit.story_url || '',\n        image: '',\n        publishedAt: hit.created_at || new Date().toISOString(),\n        language: 'English',\n        country: 'Global',\n      });\n    }\n  }\n\n  // --- NewsAPI ---\n  else if (item.json.status === 'ok' && item.json.articles) {\n    for (const article of item.json.articles) {\n      mergedData.push({\n        source: article.source?.name || 'NewsAPI',\n        title: article.title || '',\n        url: article.url || '',\n        image: article.urlToImage || '',\n        publishedAt: article.publishedAt || new Date().toISOString(),\n        language: 'English',\n        country: '',\n      });\n    }\n  }\n}\n\n// Sort by date (newest first)\nmergedData.sort((a, b) => new Date(b.publishedAt) - new Date(a.publishedAt));\n\nreturn [\n  {\n    json: {\n      total_articles: mergedData.length,\n      extracted_at: new Date().toISOString(),\n      articles: mergedData,\n    },\n  },\n];"
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        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "queryParameters": {
          "parameters": [
            {
              "name": "q",
              "value": "crypto OR bitcoin OR ethereum OR solana OR defi OR nft OR blockchain OR web3 OR altcoin OR etf OR regulation"
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        "jsonSchemaExample": "{\n  \"emerging_topics\": [\n    \"crypto regulation\",\n    \"AI funding\",\n    \"energy infrastructure\",\n    \"stablecoins\",\n    \"startup innovation\"\n  ],\n  \"trend_summary\": \"Global markets are seeing a renewed surge in crypto and AI-driven technologies. Stablecoins and digital asset regulation are trending across US and EU outlets, while emerging markets like Indonesia and UAE show major growth in digital finance adoption.\",\n  \"regional_insights\": [\n    \"UAE is positioning itself as a top crypto hub for investors.\",\n    \"Turkey and Germany show high media coverage on digital asset policies.\"\n  ],\n  \"notable_mentions\": [\n    {\n      \"title\": \"Crypto Markets Today: BTC Reclaims $111K, ETH Tops $4K After Last Week’s Sell-Off\",\n      \"source\": \"Biztoc\"\n    },\n    {\n      \"title\": \"USA Rare Earth Stock Jumps. Why This Analyst Says Buy Now\",\n      \"source\": \"Barron’s\"\n    },\n    {\n      \"title\": \"Show HN: A Tool to Analyze Hacker News Sentiment on Any Term in Seconds\",\n      \"source\": \"Hacker News\"\n    }\n  ]\n}"
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        "content": "### Schedule Trigger\nRuns automatically every 6 hours (modifiable).  \nThis node initiates the entire workflow — pulling the latest global data from all three APIs (GDELT, Hacker News, NewsAPI).  \nAdjust the frequency to 12h or 24h if you prefer slower data cycles.\n"
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        "content": "### GDELT Global Media Feed\nFetches real-time global event data from GDELT’s open intelligence API.  \nCaptures signals from global media, politics, and social activity related to your keyword (default: “crypto”).  \nNo authentication required.\n\n### Hacker News Trending Insights\nPulls trending stories from Hacker News using the Algolia API.  \nFocuses on discussions around startups, AI, and innovation — perfect for capturing early tech sentiment.  \nNo authentication required.\n\n### NewsAPI Global Headlines\nFetches major global news headlines filtered by key topics such as “crypto”, “AI”, “web3”, etc.  \nProvides structured JSON with title, URL, and publication date.  \nRequires your **NewsAPI key** (set in credentials).\n\n"
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        "content": "### Data Merger\nCombines outputs from GDELT, Hacker News, and NewsAPI into one unified data stream.  \nPrepares the aggregated dataset for cleaning and normalization.  \nEnsures all sources are processed together for the AI agent.\n"
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      "typeVersion": 1
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      "parameters": {
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        "content": "### Data Normalization & Structuring\nCleans, merges, and formats raw article data into a standardized JSON schema:\n- Title, URL, Source, Country, PublishedAt, etc.\n- Removes duplicates and aligns timestamps.\nThis ensures the AI receives consistent, readable input.\n"
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      "parameters": {
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        "height": 960,
        "content": "### Global Trend Intelligence Agent\nUses your connected **LLM (Gemini or OpenAI)** to analyze the cleaned dataset.  \nExtracts:\n- Top 5 Emerging Topics  \n- Concise 100–150 word Global Summary  \n- Regional Insights  \n- Notable Mentions  \n\nActs as the core analytical brain of the workflow.\n\n### Gemini AI Engine\nPrimary LLM model that powers the Trend Analyzer Agent.  \nYou can swap this with OpenAI or Anthropic models for different tone or reasoning styles.  \nCredential: “Google Gemini API”.\n\n### JSON Output Schema\nDefines how the AI’s response should be structured and validated.  \nGuarantees consistent output fields:\n- emerging_topics  \n- trend_summary  \n- regional_insights  \n- notable_mentions  \nPrevents malformed AI responses.\n"
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      "parameters": {
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        "width": 320,
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        "content": "### Discord Message Formatter\nTransforms the AI-generated JSON into a styled Discord message format.  \nAdds emojis, sections, and headlines for readability.  \nPrepares the final text for posting to your Discord server.\n"
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      "typeVersion": 1
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      "parameters": {
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        "content": "### Discord Auto-Poster\nDelivers the formatted AI insights directly to your chosen Discord channel.  \nConfigured via Webhook or Bot Token.  \nDefault channel: #general  \nThis is the final delivery node — your AI-curated global summary goes live here.\n"
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