io.usefulapi由 usefulapi.io 发布官方发布者v1.5.4更新于 Nov 7, 2026
Look up IP addresses and AS numbers for VPN, proxy, Tor, owner and abuse contact in ipapi.is.
发布方自己的服务：Ably MCP by usefulapi
托管版 ipapi.is 服务器，让助手查询 IP 地址和 AS 号的所有者、滥用联系人、位置以及 VPN、代理、Tor 等标记。
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/io.usefulapi%2Fipapi-is/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": {
"ipapi-is-by-usefulapi": {
"type": "http",
"url": "https://ipapi-is.usefulapi.io/mcp"
}
}
}Use your ipapi.is account from Claude, Cursor, or any MCP client. Look up IP addresses and AS numbers: owner, abuse contact, location, and VPN, proxy, Tor and datacenter flags. Hosted, no local install: connect with your own credentials.
Live endpoint: https://ipapi-is.usefulapi.io/mcp · Homepage: https://usefulapi.io
https://ipapi-is.usefulapi.io/mcp.claude mcp add --transport http ipapi-is https://ipapi-is.usefulapi.io/mcp, then run /mcp to log in.Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and the login page asks for your ipapi.is credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/ipapi-is/
On first connect you provide your ipapi.is API key (copy it from your ipapi.is dashboard). The server validates it and stores it per user. No keys go in config files.
read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.
*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to [email protected].
Pro covers this server only. Subscribe with ipapi_upgrade (it returns a Stripe Checkout link). Cancel any time with ipapi_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running ipapi_upgrade before then undoes the cancel. Or write to [email protected].
MIT — see LICENSE. Documentation only; the server is hosted.
来源：servers/ipapi-is/README.md，提交 4046075
Look up an IP address
Look up one IPv4 or IPv6 address in ipapi.is: owner company, network, abuse contact, location, and the flags is_datacenter, is_vpn, is_proxy, is_tor, is_abuser, is_mobile, is_crawler. Spends 1 request of your ipapi.is quota.
ip必填all_companiesgeolocation_sourcesLook up an AS number
Look up one autonomous system (AS number) in ipapi.is: organization, registry, type, country and announced routes. Spends 1 request of your ipapi.is quota.
asn必填Look up many IPs or AS numbers
Look up up to 100 IP addresses and AS numbers in one ipapi.is request. The result is an object keyed by the entries you sent. Every entry spends 1 request of your ipapi.is quota. Duplicates and invalid entries are dropped silently by ipapi.is.
entries必填已满足适用检查项的 100%
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。
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{ "mcpServers": { "ipapi-is": { "url": "https://ipapi-is.usefulapi.io/mcp" } }}