{"id":"92f5ee21-6018-47c8-8320-1e63b9cd96ce","slug":"clawhub-zss04124586-pdf-watermark","name":"PDF Watermark","description":"PDF文字水印工具 / PDF text watermark tool. 智能检测页面方向，自动调整角度和大小，支持中文，居中显示。Auto-detects page orientation, adjusts angle & size, supports Chinese, centered.","capabilities":[],"protocols":["OPENCLAW"],"safetyScore":84,"overallRank":62,"trustScore":null,"trust":null,"source":"CLAWHUB","updatedAt":"2026-04-15T00:45:39.800Z"}