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MCP QUEEN

app.subdomain/subdomains A

Find known subdomains of a domain. Passive data; may include historic entries. List or count.

Cloud & Infrav1.0.1streamable-httpapi.subdomain.app

Grade evidence — probed 2026-07-12 19:18 UTC

CriterionPointsObserved
reachability25 / 25HTTP 200, initialize accepted in 833ms
protocol15 / 15valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo subdomain-app@1.0.0
tooling35 / 35tools/list OK: 2 tools e.g. "find_subdomains"; 2/2 described, 2/2 fully-typed schemas, median description 604 chars
latency7 / 10initialize round-trip 833ms
provenance12 / 15description present; no repository URL; version 1.0.1; namespace app.subdomain matches endpoint/repo

Score 94/100 · latency 833ms · 2 tools · auth: open

Connect your agent

Claude Code:

claude mcp add --transport http subdomains https://api.subdomain.app/mcp

Generic MCP client config:

{ "mcpServers": { "subdomains": { "type": "http", "url": "https://api.subdomain.app/mcp" } } }

MCP Queen is a graded index, not a middleman — your agent connects directly to the server above. Check the grade and evidence first; that's the point. Share this server: permalink https://mcpqueen.com/s/app.subdomain/subdomains · referral link https://mcpqueen.com/go/app.subdomain/subdomains (counts as “routed via the queen”).

Own this server? Embed your grade badge

Live badge, re-probed continuously — put it in your README:

MCP Queen grade badge for app.subdomain/subdomains

[![MCP Queen grade](https://mcpqueen.com/badge/app.subdomain/subdomains.svg)](https://mcpqueen.com/s/app.subdomain/subdomains)

Think the grade is wrong? Fix the finding the evidence shows, then the next probe cycle picks it up automatically (full cycle ≈ 3 days) — or open a dispute via the MCP endpoint.

Queen Watch

Email alerts when the grade changes or the endpoint stops answering. Double-opt-in, one-click unwatch, free while in beta.

Probe history

When (UTC)GradeScoreLatency
2026-07-12 19:18A94833ms

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