MCP server health, State of MCP census

Numertel

pl.numertel/numertel

Polish phone number lookup: who called, spam and scam checks, UKE DNO registry, CERT phishing stats

healthy checked 2026-08-03 · 9/10 checks passed · keyless

Checks

The exact rows akashi check pl.numertel/numertel prints, from the 2026-08-03 census.

CheckStatusDetail
registry statuspassactive
server.json validpassvalidates against its declared JSON Schema
repo reachablepassexists
repo freshnesspasspushed 41d ago
remote reachablepassHTTP 200 via initialize
MCP conformancepassinitialize handshake ok
tools/listpass7 tools: check_phone_number, spam_weather, check_scam_domain, find_official_number, recent_scam_domains, search, fetch
at least one live entrypointpass2 alive
license presentpassMIT
spec 2026-07-28warnneeds-migration: no server/discover, routing headers not enforced

Spec 2026-07-28 readiness

Verdict: needs-migration(no server/discover; routing headers not enforced). Measured against the 2026-07-28 specification (ruleset 2026-07-28-rc, compiled from the draft and re-diffed against the final text with no verdict-bearing rule changed) with read-only, keyless calls; see the ecosystem readiness report for how this server compares.

Accepts handshake-free callsyes
server/discover implementedno
Session independenceyes
Routing headers enforcedignored

Advisory: no resultType on results; no cache metadata on list results; negotiates 2025-06-18.

Evidence

Packages

No packages declared.

Remote endpoints

  • https://numertel.pl/api/mcp

    streamable-http · reachable· HTTP 200· initialize_ok

    7 tools: check_phone_number, spam_weather, check_scam_domain, find_official_number, recent_scam_domains, search, fetch

server.json

validagainst its declared schema

One of 19804 servers in the 2026-08-03 State of MCP census: 15974 healthy (80.7%), 2792 degraded (14.1%), 851 dead (4.3%), 187 unknown (0.9%).

Verify it yourself

This page is a static read of one dated probe. Run the same check locally, any time, with no key:

$ akashi check pl.numertel/numertel

Install Akashi - single Go binary, zero keys, MIT licensed.

Is this your server?

Claiming a server (an auto-refreshing badge and a verified publisher profile) is coming soon. Until then, embed the verified-on-date badge yourself with akashi check pl.numertel/numertel --badge.

Open data, CC BY 4.0. How this census works - denominator, tiers, and what each check does.