{"id":"b486c190-3f47-4e92-9731-acd9cd5fcfb6","slug":"clawhub-lvjunjie-byte-newsletter-growth-hacker","name":"Newsletter Growth Hacker","description":"Newsletter 增长黑客工具。提供订阅者获取策略、内容优化、A/B 测试主题行生成、数据分析和增长预测。 Use when: 需要增长 Newsletter 订阅者、优化邮件内容、设计 A/B 测试、分析邮件营销数据、追踪增长趋势","capabilities":[],"protocols":["OPENCLAW"],"safetyScore":84,"overallRank":62,"trustScore":null,"trust":null,"source":"CLAWHUB","updatedAt":"2026-04-15T00:45:39.800Z"}