com.postbye由 postbye.com 发布官方发布者v1.2.0更新于 Oct 29, 2026
Cancel subscriptions: real cancellation letters & addresses for 10,000+ companies.
只读参考服务，让助手查询 1 万多家公司的订阅或会员取消方式，并生成取消信草稿。
Web executable，通过 Streamable HTTP。 远程服务在工作区中配置后即可从网页运行时运行。
把这段提示词粘贴到 Claude Code、Codex、Cursor 等智能体，或 SourceWeft 对话中。智能体会读取该服务器的安装指南，先向你展示发布者、端点和登录方式，经你同意后再把它添加到你的客户端。密钥不会写进任何命令。
阅读 https://sourceweft.com/mcp/com.postbye%2Fpostbye/install.md，并按其中说明把这个 MCP 服务器接入我的客户端。修改任何配置之前，先告诉我它的发布者、端点和登录方式，等我确认。不要把 API 密钥写进命令或我会提交的文件；问我密钥应从哪里获取。把它添加到你客户端的 mcpServers 配置中。
{
"mcpServers": {
"postbye": {
"type": "http",
"url": "https://postbye.com/mcp"
}
}
}Search cancellation guides
Find companies by name (for example "netflix" or "planet fitness") among the subscriptions and memberships Postbye has a cancellation guide for. Returns each match's slug, category, how the company takes cancellations and the guide URL. Use the slug with get_cancellation_guide.
limitquery必填Get a cancellation guide
How to cancel one company's subscription or membership: how it takes cancellations, the notice period, the traps to check first, billing-partner notes, sources, when the facts were verified, the mailing address(es) on file and the guide and address page URLs. Accepts a company slug from search_companies (merged duplicate slugs resolve to the current one).
slug必填Get a cancellation letter
A plain-text cancellation letter for one company, built from the same template as Postbye's free letter tool, plus where to send it. Fields not supplied stay as [bracketed placeholders] to fill in. Nothing is stored.
slug必填customer_nameaccount_numberList guide categories
The category hubs of the cancellation guides (streaming, gyms, phone and internet, insurance and more) with the number of guides in each and the hub URL.
无需输入参数。
已满足适用检查项的 83%
该评分衡量此收录条目的完整程度，依据注册中心条目、端点与公开来源计算得出。它不是对服务器本身的评价，也不表示服务器安全或当前可用：可连通性是带日期的检查结果，评分也不包含安装量或用户评价。
请声明包含 README 的 GitHub 仓库，或在 OAuth 受保护资源元数据中提供 resource_documentation。
托管服务按其提供方的条款使用，因此这里不要求许可证。此检查项不计入百分比。