ListCheckup

com.listcheckup由 listcheckup.com 发布官方发布者v1.0.0更新于 Oct 29, 2026

Email verification for AI agents: check addresses and lists, priced before credits are spent.

已验证Streamable HTTP可网页运行沟通与协作商业与电商

概览

AI 生成的概览

ListCheckup 为 AI 助手提供邮箱地址与名单验证,并在消耗额度前先给出价格。

可以做什么
  • 验证单个邮箱地址,返回状态、原因和置信度评分
  • 查询账户剩余额度
  • 提交名单以获取报价,确认后再启动检测
  • 跟踪名单检测进度,并在完成后读取各状态的数量统计
适用场景
适合助手处理联系人、潜在客户等数据时,在发送前确认哪些地址可送达,或在动用额度前先估算整份名单的验证成本。
运行要求
远程 Streamable HTTP 端点,无需本地安装。需要 ListCheckup 账户,并以 Authorization 请求头携带 Bearer API 密钥。需要能访问该服务的网络。
安装前请注意
API 密钥可消耗账户额度,请勿放入共享仓库,泄露后应立即吊销。启动名单检测会消耗额度,但报价与启动是分开的工具,可先展示费用。仅可验证自己已持有的地址,不允许使用购买、租用或抓取来的名单。

安装

在 SourceWeft 中

  1. 打开 控制台中的 ListCheckup,将其添加到工作区。
  2. 连接 Authorization token 凭据。它们会被私密存储,绝不会在公开页面上展示。
  3. 为需要使用其工具的对话启用该服务。

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。

交给智能体安装

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.listcheckup%2Fmcp/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。

查看智能体所依据的安装指南

其他 MCP 客户端

把它添加到你客户端的 mcpServers 配置中。

{
  "mcpServers": {
    "listcheckup": {
      "type": "http",
      "url": "https://listcheckup.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_TOKEN>"
      }
    }
  }
}

README

ListCheckup MCP server

Email verification for AI assistants. Connect Claude, Cursor or any MCP client to ListCheckup and let it check a single address or a whole list, showing you the price before anything is spent.

  • Endpoint: https://listcheckup.com/mcp (remote, Streamable HTTP)
  • Auth: Authorization: Bearer lck_live_... (create a key in your ListCheckup dashboard)
  • Free tier: 100 checks every month, no card. Catch-all and unknown results are not charged, and credits never expire.
  • Data: processed on EU servers. Nothing is sent to the addresses being checked.

Tools

ToolWhat it doesCost
check_emailVerify one address: valid, invalid, risky, catch-all or unknown, with the reason and a confidence score1 credit (free if catch-all or unknown)
get_balanceCredits left on the accountFree
create_listSubmit a list and get its priceFree
start_listStart checking a list you've pricedSpends credits
get_listStatus and progress of a listFree
get_list_summaryCounts by status once a list is finishedFree

Pricing and starting are separate tools on purpose: an assistant has to show you what a list will cost before anything is spent, and you can say no. No tool takes an account as an argument; the key in the header decides whose credits are used.

Connect

Claude Code

bash
claude mcp add --transport http listcheckup https://listcheckup.com/mcp \  --header "Authorization: Bearer lck_live_..."

Claude Desktop, Cursor and most other clients

json
{  "mcpServers": {    "listcheckup": {      "url": "https://listcheckup.com/mcp",      "headers": { "Authorization": "Bearer lck_live_..." }    }  }}

Check it works

bash
curl -X POST "https://listcheckup.com/mcp" \  -H "Authorization: Bearer lck_live_..." \  -H "Content-Type: application/json" \  -H "Accept: application/json, text/event-stream" \  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}'

Six tools listed means you're connected.

Example prompts

  • "Check whether [email protected] is a real address."
  • "Here's my leads CSV. How much would it cost to verify it? Don't start until I say so."
  • "How many credits do I have left?"

Treat the key as a password

Anything holding it can spend your credits. Keep config files with the key out of shared repositories, give each machine its own key, and revoke a key in the dashboard if it leaks. Revoking takes effect immediately.

Links

ListCheckup checks addresses you already hold. Purchased, rented or scraped lists aren't allowed under the acceptable use policy.

来源:README.md,提交 ad667d1

工具

0
该服务器需要 API 密钥等凭据,因此 SourceWeft 无法在没有凭据的情况下读取其工具,也未收录。

版本历史

1
  1. v1.0.0最新Oct 29, 2026

评分

已满足适用检查项的 75%

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    请让服务器在无凭据时响应 tools/list,或发布可在沙箱中无凭据启动的软件包。

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