Pingroll: which MCP servers actually answer?

Every public remote server in the official MCP Registry, probed with a real MCP handshake (initialize → tools/list, no tool is ever called). Probed 2026-09-24 11:38:12 UTC.

Remote servers probed21,501
Up, open to anyone13,50963%
Up, needs your key4,83422%
Down or broken2,94414% · 214 need config
Median handshake1,200 msp90 1,892 ms
Median tools per open server11

Find a server

ServerStatusHandshakeToolsProtocolHostWhat it does

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Fastest open servers with tools (one per host)

ServerHandshakeTools
io.github.sadri-dridi/cc-li47 ms31
io.github.pipeworx-io/mychem82 ms39
io.github.theluckystrike/image-resize-convert-compress-watermark102 ms15
com.jojapi/twitter-x-aio153 ms23
io.tooloracle/registeroracle223 ms10
com.timzinin.api/decision-intelligence252 ms4
ai.tickerscout/ticker-scout394 ms6
com.cobaltcapture/cobalt404 ms12
app.aiconduit/conduit427 ms25
com.numeratica/mcp484 ms76
io.github.Cocabadger/tick-mcp495 ms2
com.zoningverdict/mcp512 ms12
io.usefulapi/magicbell518 ms13
com.kdandoc.mcp/kdan-pdf-mcp530 ms16
io.github.apollographql/graphos-mcp-server540 ms14
io.github.mcp-dir/tribunal_tjsp_selo_digital-mcp540 ms7
com.daedalmap/distributed-manufacturing541 ms4
com.lunarwerx/lunarwerx543 ms2
io.github.lazymac2x/api-composition-gateway544 ms4
io.github.beepboop2025/myquant-app549 ms2
ai.mainbook/bank-statement-converter552 ms4
com.a2awire/agent-inbox570 ms5
io.github.beepboop2025/myquant-editorial572 ms5
io.github.sean-park-funda/korea-ocean-mcp572 ms8
io.github.cyanheads/openaq-mcp-server575 ms7

Most tools, open servers (one per host)

ServerToolsHandshake
io.github.whiteknightonhorse/apibase13801,283 ms
io.github.davidmosiah/delx-mcp-a2a10681,535 ms
com.adbutler/mcp-server6271,744 ms
io.tinyfn/tinyfn5721,840 ms
com.thetempleofdoom.osint-mcp/osint-terminal4571,238 ms
ai.oobeprotocol.sap.mcp/sap-mcp4481,335 ms
io.github.tresor4k/macalc-mcp4461,589 ms
cloud.theprotocol/registry4381,583 ms
io.github.conquext/neuron3831,310 ms
io.github.duvoai/duvo381598 ms
io.github.blackboxfoundry/livedatalink377963 ms
com.thetempleofdoom.hyperion/hyperion3551,238 ms
com.getfreedomos/freedom-mcp3361,277 ms
com.alpinedataworks/adw-intelligence-server3181,334 ms
ai.intuitek.the-stall/the-stall3021,119 ms
io.github.getgapup/gapup-mcp2791,187 ms
io.github.Vee3io/vee32691,065 ms
io.github.yzlee/opcmenu2512,527 ms
io.github.JSONbored/metagraphed2432,459 ms
io.favcrm/favcrm2302,059 ms
io.github.Synter-Media-AI/synter-ads228669 ms
cc.thecolony/mcp-server2251,638 ms
io.github.statico-alt/spacemolt2201,157 ms
xyz.558686.gpt55/token-gateway2181,385 ms
com.stratalize/crypto2011,005 ms

Protocol versions (open servers)

2025-06-189,895
2025-03-262,752
2024-11-05530
2025-11-25138
2026-07-28123
?69

Biggest hosts (all probed)

agent-observatory-sensor.nolimit-observatory.workers.dev2,365
gateway.pipeworx.io1,590
api.mcp.ai1,115
api.m2mcent.com276
mcp.apify.com219
server.smithery.ai216
mcp.zovo.one113
a2awire.com110
openings-vote-drilling-initially.trycloudflare.com90
tooloracle.io57

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