io.usefulapiPublished by usefulapi.ioOfficial publisherv1.5.4Updated Nov 7, 2026
Look up IP addresses and AS numbers for VPN, proxy, Tor, owner and abuse contact in ipapi.is.
The publisher's own server: Ably MCP by usefulapi
Hosted ipapi.is server that lets an assistant look up IP addresses and AS numbers for ownership, abuse contacts, location and VPN, proxy or Tor flags.
Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.
Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.
Read https://sourceweft.com/mcp/io.usefulapi%2Fipapi-is/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.Add this to your client's mcpServers config.
{
"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.
Source: servers/ipapi-is/README.md at commit 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.
iprequiredall_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.
asnrequiredLook 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.
entriesrequired100% of the applicable checks met
How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.
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{ "mcpServers": { "ipapi-is": { "url": "https://ipapi-is.usefulapi.io/mcp" } }}