MCP servers, called rather than listed

Every remote server in the official MCP registry, sent one real initialize handshake. 16,923 servers across 11,823 hosts.

Search what these servers can do · read the measurement

Last checked 2026-09-06. We send a handshake, we do not authenticate and we do not call a tool.

Gated is not broken. 4,068 of these servers answer with a 401 or 403. They are running and want a credential we do not have. A checker that treats them as dead is wrong about 24.0% of the registry before it starts, so we count them separately and always will.

16,923 matching.

serverresulttoolshost
sh.uploads/mcp
https://agents.uploads.sh/mcp
gated, needs a credential not listed agents.uploads.sh
sh.xorfox.drawbridge/server
https://api.drawbridge.xorfox.sh/mcp/sse
gated, needs a credential not listed api.drawbridge.xorfox.sh
shop.tier1/tier1-shop
https://mcp-v2.tier1.shop/mcp
answered, not MCP not listed mcp-v2.tier1.shop
si.sigit/sigit
https://sigit.si/api/v1/mcp
gated, needs a credential not listed sigit.si
site.chatgpt.lanekingsbery.agent-commons/agent-commons
https://agent-commons.lanekingsbery.chatgpt.site/mcp
404 not listed agent-commons.lanekingsbery.chatgpt.site
site.guidelines/guidelines
https://mcp.guidelines.site/mcp
gated, needs a credential not listed mcp.guidelines.site
site.lanlan/website-builder
https://mcp.lanlan.site/mcp
gated, needs a credential not listed mcp.lanlan.site
site.qrrapido/qr-generator
https://qrrapido.site/api/mcp
gated, needs a credential not listed qrrapido.site
so.agentcloud/ios-simulator
https://api.agentcloud.so/mcp
gated, needs a credential not listed api.agentcloud.so
so.cello/mcp
https://mcp.cello.so/mcp
gated, needs a credential not listed mcp.cello.so
so.dooit/mcp
https://app.dooit.so/mcp
gated, needs a credential not listed app.dooit.so
so.echoai/echo-ai
https://auth.echoai.so/functions/v1/mcp
gated, needs a credential not listed auth.echoai.so
so.eden/eden
https://mcp.eden.so/mcp
gated, needs a credential not listed mcp.eden.so
so.fabric/mcp
https://mcp.api.fabric.so/mcp
gated, needs a credential not listed mcp.api.fabric.so
so.hilt/pay-me
https://api.hilt.so/mcp/pay-me
gated, needs a credential not listed api.hilt.so
so.jinko/jinko-mcp
https://mcp-remote.jinko.so/mcp
unreachable not listed mcp-remote.jinko.so
so.linkup.mcp/linkup-mcp-server
https://mcp.linkup.so
JSON-RPC error not listed mcp.linkup.so
so.mida/ab-testing
https://mcp.mida.so/mcp
gated, needs a credential not listed mcp.mida.so
so.pharaoh/pharaoh
https://mcp.pharaoh.so/sse
gated, needs a credential not listed mcp.pharaoh.so
so.seeder/dms
https://app.seeder.so/api/v1/mcp
gated, needs a credential not listed app.seeder.so
so.sightkick/mcp
https://app.sightkick.so/mcp
gated, needs a credential not listed app.sightkick.so
so.sombra/sombra
https://sombra.so/mcp
gated, needs a credential not listed sombra.so
so.transcribe/mcp
https://transcribe.so/mcp
gated, needs a credential not listed transcribe.so
software.reckon/reckon
https://www.reckon.software/api/mcp
gated, needs a credential not listed www.reckon.software
space.agentmemory/agentmemory-mcp
https://agentmemory.space/mcp
gated, needs a credential not listed agentmemory.space
space.customjs/customjs-mcp
https://mcp.customjs.space/customjs/mcp
gated, needs a credential not listed mcp.customjs.space
space.innernote/innernote
https://www.innernote.space/api/mcp
gated, needs a credential not listed www.innernote.space
space.mcploadbudgeter/mcploadbudgeter-mcp
https://mcploadbudgeter.space/mcp
gated, needs a credential not listed mcploadbudgeter.space
space.promptguardscan/promptguardscan-mcp
https://promptguardscan.space/mcp
gated, needs a credential not listed promptguardscan.space
space.rally/mcp-server
https://agents.rallyspace.io/mcp
unreachable not listed agents.rallyspace.io
space.rally/mcp-server
https://agents.rallyspace.io/mcp/public
unreachable not listed agents.rallyspace.io
space.servercardtrust/servercardtrust-mcp
https://servercardtrust.space/mcp
gated, needs a credential not listed servercardtrust.space
space.steady/steady
https://app.steady.space/mcp
gated, needs a credential not listed app.steady.space
space.syntheticuserlab/syntheticuserlab-mcp
https://syntheticuserlab.space/mcp
gated, needs a credential not listed syntheticuserlab.space
st.ravenpo/ravenpost
https://api.ravenpo.st/mcp
gated, needs a credential not listed api.ravenpo.st
store.bopmarket/marketplace
https://mcp.bopmarket.store/mcp
unreachable not listed mcp.bopmarket.store
store.etherealgoodsco/x402-tools
https://etherealgoodsco.store/mcp
unreachable not listed etherealgoodsco.store
store.etherealgoodsco/x402-tools
https://etherealgoodsco.store/mcp/sse
unreachable not listed etherealgoodsco.store
store.ivoryriver/agent-commerce
https://mcp.ivoryriver.store/sse
404 not listed mcp.ivoryriver.store
stream.govideo/govideo
https://api.govideo.stream/mcp
gated, needs a credential not listed api.govideo.stream
studio.approval/mcp
https://mcp.approval.studio/
gated, needs a credential not listed mcp.approval.studio
studio.inite/ideaudit-tools
https://api.inite.studio/mcp
gated, needs a credential not listed api.inite.studio
studio.pulsecircle/pulse
https://mcp.pulse.pulsecircle.studio/mcp
gated, needs a credential not listed mcp.pulse.pulsecircle.studio
studio.sleeperhit/podcast-audio-video-production-studio
https://sleeperhit.studio/mcp
gated, needs a credential not listed sleeperhit.studio
CodeReclaimers LLC Capability Oracle
https://alan.recursive.support/mcp
answers a handshake not listed alan.recursive.support
DezignWorks Product Oracle
https://dezignworks.recursive.support/mcp
answers a handshake not listed dezignworks.recursive.support
Recursive Support Oracle
https://recursive.support/mcp
answers a handshake not listed recursive.support
support.supp/mcp-server
https://mcp.supp.support
gated, needs a credential not listed mcp.supp.support
sv.mcp/el-salvador
https://mcp.sv/mcp
unreachable not listed mcp.sv
sv.prometheus/mcp
https://mcp.prometheus.sv/
unreachable not listed mcp.prometheus.sv
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