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Searching for a desk shouldn’t mean scrolling past nightstands. So I built Crumb.

Facebook Marketplace thinks “walnut desk” means anything made of wood. Amazon mixes the product you want with accessories for it. That annoyed me enough to build Crumb. It compares listing text with your search and hides results that look unrelated. There’s a separate toggle for sponsored listings, and turning filtering off brings everything back. It works on Amazon, Facebook Marketplace, and other shopping sites. I’m adding support for more sites quickly, so let me know whe

五维评分

付费意愿
38
需求真实度
62
个人可落地
88
竞争空间
55
新鲜度
63

AI 分析

痛点:电商与二手交易平台的搜索结果严重不相关(搜『胡桃木书桌』出来一堆木质床头柜、亚马逊把配件混进主商品),用户被迫大量手动翻页筛选

目标用户:频繁在 Amazon、Facebook Marketplace 等平台购物的精明买家,尤其是二手家具/大件商品搜寻者

证据:Facebook Marketplace thinks "walnut desk" means anything made of wood. Amazon mixes the product you want with accessories for it. That annoyed me enough to build Crumb.

变现:Chrome 扩展 freemium:免费版单站点,付费解锁多站点/高级语义过滤/保存搜索规则;叠加 Amazon Associates 等联盟佣金(用户点进商品成交返佣),后续可向卖家提供『提升曝光匹配度』的 B 端服务

MVP:2 周内做 Chrome 扩展:用 LLM 或轻量 embedding 对当前页面 listing 标题/描述与用户查询做相关性打分,低于阈值即隐藏;提供开关一键还原、赞助位单独折叠;先只支持 Amazon + Facebook Marketplace 两个站点,用本地/云端 API 完成打分,免登录、免费试用后按站点数或月付收费

竞品:Fakespot (评论/卖家可信度,已被 Mozilla 收购关闭)、Keepa / Camelizer(价格追踪,非相关性过滤)、各类 Amazon Filter / Search Filter Chrome 扩展、Facebook Marketplace 自带的关键词与价格筛选

摘要:开发者 u/Imploded42 在 r/SideProject 发布 Crumb,一款 Chrome 扩展,通过比对 listing 文案与搜索词来隐藏不相关结果,并单独提供过滤赞助商品的开关,目前支持 Amazon 与 Facebook Marketplace,免费无注册(hicrumb.com)。他指出的痛点是 Facebook Marketplace 把『walnut desk』匹配成任何木质品、亚马逊把配件混入主商品,属于非常普遍但长期未被解决的搜索相关性问题。帖子本身没有收入或付费意愿证据,但痛点真实、单人可快速迭代,适合 freemium + 联盟佣金变现。