MCP.Market

Prefix WhoIs MCP server

online · 100% uptime
by pwhois.org·org.pwhois/pwhois·v1.0.0
No reviews yet

Live BGP routing table and registry lookups: IP origin, ASN prefixes, transit, org search.

B77/100grade B
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Safety scan
B77/100

full report

Adoption
New

Little public usage data yet

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If you have run it, two minutes of your experience saves the next person an afternoon.

Prefix WhoIs tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.10 · 2026-10-03 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 310ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenanceno repository listed3/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Prefix WhoIs compares

Against every graded Web search MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 55% of 3,471 Web search servers
Uptime
100%
of our recent checks; the typical remote Web search server answers 100%
Response time
185 ms
faster than 72% of 2,238 Web search servers

Install Prefix WhoIs in Claude Code, Cursor or VS Code

claude mcp add --transport http pwhois https://pwhois.org/mcp/
Add to Cursor

Prefix WhoIs: common questions

Is Prefix WhoIs MCP server safe?
Mostly: it is graded B (77/100). Read the Prefix WhoIs safety report
How do I install Prefix WhoIs?
It runs remotely at pwhois.org. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Prefix WhoIs need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Prefix WhoIs maintained?
The latest release is v1.0.0.
Is Prefix WhoIs up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Prefix WhoIs?
Servers from other publishers that do the same job: The Company Atlas MCP server, Exa Search MCP server and jDocmunch MCP server.
How does Prefix WhoIs compare with other Web search MCP servers?
safety score 77/100 (higher than 55% of 3,471 Web search servers); uptime 100% (of our recent checks; the typical remote Web search server answers 100%); response time 185 ms (faster than 72% of 2,238 Web search servers). Full comparison.

Alternatives to Prefix WhoIs

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