πŸ‘‘

MCP QUEEN

The Graded Registry

Every remote server in the official MCP registry, probed live and graded with receipts β€” the only MCP index where every grade shows its evidence.

16246servers indexed
7735remote endpoints
772graded (rolling)
208grade A
67%reachable
385msmedian latency
SortBestWorstJust probedMost toolsFastest
GradeAllA (208)B (3)C (198)D (107)F (256)Provisional
CategoryAll categoriesOther (204)AI & Agents (149)Web & Search (137)Cloud & Infra (65)Productivity (43)Dev & Code (35)Data & Databases (29)Finance & Crypto (27)Communication (21)Media & Design (19)Commerce (17)Security (13)Science & Health (13)

50 matches. Categories are keyword-derived from registry metadata β€” imperfect by design, deterministic by principle.

#ServerGradeScoreLatencyToolsAuthProbed
1 ai.agentdm/agentdm
AgentDM: Agent to Agent Communication Platform
AI & Agents
C prov. 66
203ms β€” auth-wellbehaved 07-12 14:18
2 ai.i18nagent/i18n-agent
i18n-agent
AI & Agents
C prov. 66
401ms β€” auth-wellbehaved 07-12 14:31
3 ai.nudg3/brand-intelligence
AI & Agents
C prov. 66
348ms β€” auth-wellbehaved 07-12 15:01
4 ai.onelore/lore
OneLore
AI & Agents
C prov. 66
305ms β€” auth-wellbehaved 07-12 15:16
5 ai.secapi/secapi
AI & Agents
C prov. 66
376ms β€” auth-wellbehaved 07-12 15:46
6 ai.sleepwalker/sleepwalker
Sleepwalker
AI & Agents
C prov. 66
251ms β€” auth-wellbehaved 07-12 15:46
7 ai.smithery/agentmail
AI & Agents
C prov. 66
269ms β€” auth-wellbehaved 07-12 16:16
8 ai.smithery/blockscout-mcp-server
AI & Agents
C prov. 66
208ms β€” auth-wellbehaved 07-12 16:46
9 ai.speko/mcp
Speko AI
AI & Agents
C prov. 66
275ms β€” auth-wellbehaved 07-12 17:47
10 ai.waystation/mcp
AI & Agents
C prov. 66
260ms β€” auth-wellbehaved 07-12 18:16
11 app.noemic/noemic-fabs
Noemic Fabs
AI & Agents
C prov. 66
339ms β€” auth-wellbehaved 07-12 19:03
12 ai.axonagentic/neuroautomata
Axon NeuroAutomata
AI & Agents
C prov. 62
278ms β€” auth-wellbehaved 07-12 14:18
13 ai.caulo/caulo
Caulo
AI & Agents
C prov. 62
406ms β€” auth-wellbehaved 07-12 14:19
14 ai.cofoundagent/cofound
Cofound
AI & Agents
C prov. 62
618ms β€” auth-wellbehaved 07-12 14:19
15 ai.inflowpay.app/inflow
AI & Agents
C prov. 62
832ms β€” auth-wellbehaved 07-12 14:31
16 ai.lenshub/lenshub
LensHub
AI & Agents
C prov. 62
279ms β€” auth-wellbehaved 07-12 14:46
17 ai.markettrace/agent-feed
MarketTrace agent-feed
AI & Agents
C prov. 62
596ms β€” auth-wellbehaved 07-12 14:46
18 ai.optimly/scout
Scout by Optimly
AI & Agents
C prov. 62
109ms β€” auth-wellbehaved 07-12 15:16
19 ai.outlit/outlit
Outlit
AI & Agents
C prov. 62
1047ms β€” auth-wellbehaved 07-12 15:16
20 ai.plori/plori
AI & Agents
C prov. 62
620ms β€” auth-wellbehaved 07-12 15:16
21 ai.seaotter/otterscore
AI & Agents
C prov. 62
449ms β€” auth-wellbehaved 07-12 15:46
22 ai.sendfast/sendfast
SendFast
AI & Agents
C prov. 62
812ms β€” auth-wellbehaved 07-12 15:46
23 ai.stumpy/agents
Stumpy
AI & Agents
C prov. 62
51ms β€” auth-wellbehaved 07-12 17:47
24 ai.veecle/chiplab
Chiplab
AI & Agents
C prov. 62
1184ms β€” auth-wellbehaved 07-12 18:16
25 ai.voxplo/voxplo
Voxplo
AI & Agents
C prov. 62
227ms β€” auth-wellbehaved 07-12 18:16
26 ai.zentrik/mcp
Zentrik
AI & Agents
C prov. 62
210ms β€” auth-wellbehaved 07-12 18:33
27 app.learnwithagents/learn-with-agents
Learn with Agents
AI & Agents
C prov. 62
267ms β€” auth-wellbehaved 07-12 19:03
28 app.sentinelx/sentinelx
SentinelX
AI & Agents
C prov. 62
1125ms β€” auth-wellbehaved 07-12 19:18
29 app.superdocs/superdocs
AI & Agents
C prov. 62
847ms β€” auth-wellbehaved 07-12 19:18
30 app.twiceshy/twiceshy
AI & Agents
C prov. 62
731ms β€” auth-wellbehaved 07-12 19:31
31 ai.cobbles/cobbles
AI & Agents
D prov. 57
1699ms β€” auth-wellbehaved 07-12 14:19
32 ai.cueframe/cueframe
AI & Agents
D prov. 57
805ms β€” auth-wellbehaved 07-12 14:19
33 ai.enyal/enyal
ENYAL by Greenland AI
AI & Agents
D prov. 57
569ms β€” auth-wellbehaved 07-12 14:20
34 ai.hirey/hi
AI & Agents
D prov. 57
876ms β€” auth-wellbehaved 07-12 14:31
35 ai.korey/mcp
Korey
AI & Agents
D prov. 57
1000ms β€” auth-wellbehaved 07-12 14:46
36 ai.krtr/krtr
AI & Agents
D prov. 57
549ms β€” auth-wellbehaved 07-12 14:46
37 ai.parceled/mcp
AI & Agents
D prov. 57
775ms β€” auth-wellbehaved 07-12 15:16
38 ai.relaystation/relaystation
Relaystation
AI & Agents
D prov. 57
881ms β€” auth-wellbehaved 07-12 15:31
39 ai.calendarmcp/server
CalendarMCP
AI & Agents
D prov. 54
82ms β€” auth-bare 07-12 14:19
40 ai.responsibleailabs/rail-score
AI & Agents
D prov. 54
313ms β€” auth-bare 07-12 15:31
41 ai.taskforcehq/taskforce
Taskforce
AI & Agents
D prov. 54
385ms β€” auth-bare 07-12 17:47
42 ai.hivewiki/hivewiki
hiveWiki
AI & Agents
D prov. 52
2702ms β€” auth-wellbehaved 07-12 14:31
43 ai.multinex/memq
Multinex MemQ
AI & Agents
D prov. 52
2043ms β€” auth-wellbehaved 07-12 15:01
44 ai.superfact/superfact
AI & Agents
D prov. 52
2044ms β€” auth-wellbehaved 07-12 17:47
45 app.joinways/joinways
Joinways
AI & Agents
D prov. 52
2997ms β€” auth-wellbehaved 07-12 19:03
46 ai.bunzee/bunzee
Bunzee
AI & Agents
D prov. 49
363ms β€” auth-bare 07-12 14:19
47 ai.filtrix.mcp/filtrix-ai
Filtrix AI MCP
AI & Agents
D prov. 49
289ms β€” auth-bare 07-12 14:20
48 ai.multi-turn/enacta
AI & Agents
D prov. 49
390ms β€” auth-bare 07-12 15:01
49 ai.gossiper/shopify-admin-mcp
Gossiper Shopify Admin MCP Server
AI & Agents
D prov. 46
585ms β€” auth-wellbehaved 07-12 14:31
50 app.novumos/novumos
Novum OS
AI & Agents
D prov. 45
1063ms β€” auth-bare 07-12 19:03

Methodology

Each server is probed live over streamable HTTP: reachability (25) β€” does initialize succeed; auth-gated servers earn partial credit only if they advertise WWW-Authenticate so clients can discover OAuth. protocol (15) β€” valid JSON-RPC handshake; deprecated SSE transport is penalized. tooling (35) β€” tools/list works, share of tools with descriptions and fully-typed input schemas, median description depth. latency (10) β€” initialize round-trip. provenance (15) β€” registry metadata completeness and whether the reverse-DNS namespace actually matches the serving domain. Scores scale to what is verifiable; unverifiable dimensions mark the grade provisional rather than guessing. Every point carries the verbatim observation that earned it. No stars, no votes, no pay-to-rank β€” probes only.