heade.rs
rs.heade/lookup
Look up any domain, IP address or AS number: hosting, DNS, registration, email, TLS and headers.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-04.
What we measured
| Endpoint | https://heade.rs/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (879 ms) | our check, 2026-10-04 |
| Protocol version | 2026-07-28 | our check, 2026-10-04 |
| Tools (1) | lookup | tools/list, 2026-10-04 |
| Registry version | 1.0.0 · active · updated 2026-09-28 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http lookup https://heade.rs/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
Related servers
- HTTP Headers Analyzer API HTTP header analysis — security headers, cache, server detection. x402 micropayment.
- hmrc-fraud-prevention-header-lint Finds the Gov-Client and Gov-Vendor header mistakes HMRC rejects, in your editor, offline…
- security-headers-csp-lint Reads security headers and CSP line by line in your config file and names the lines that…
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name rs.heade/lookup.