{"type": "article", "title": "Building Sierra’s MCP Gateway: An engineering iceberg", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/building-sierras-mcp-gateway-an-engineering-iceberg", "original_source": "https://sierra.ai/blog/building-sierras-mcp-gateway-an-engineering-iceberg", "published": "2026-07-22T14:00:00+00:00", "accessed": "2026-07-28", "id": "building-sierras-mcp-gateway-an-engineering-iceberg"}