{"id":"7c327657-2690-4988-a771-c544c53ea13a","slug":"clawhub-unknown-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":"2026-10-11T06:14:16.777Z"}