heade.rs MCP server

Which servers in the official MCP registry are heade.rs's own, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-13

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Whose server it is

Registry namers.heade/lookupverified in the MCP registry

The registry name sits under heade.rs. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-13

Stateanswerschecked 2026-10-13
Tools1
Server calls itselfrs.heade/lookup
Server version1.0.0
Protocol version2025-06-18

On 2026-10-13 the server answered initialize and tools/list without a sign-in. First answer in 27 ms.

Tools it offers1 tools · read 2026-10-13

lookup
Look up a domain, IP address or network (AS number) on heade.rs and return its report. For a domain or IP address: where it's hosted (network, BGP prefix, RPKI, location, cloud region, CDN), registration (RDAP/WHOIS), DNS records and…

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "lookup": {
      "type": "http",
      "url": "https://heade.rs/mcp"
    }
  }
}

OpenAPI spec

2 paths, read 2026-10-13. Open the spec ↗

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.