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.
| server | result | tools | host |
|---|---|---|---|
| io.github.PostHog/mcp
https://mcp.posthog.com/sse |
answered, not MCP | not listed | mcp.posthog.com |
| io.github.PostSyncer/postsyncer
https://postsyncer.com/mcp |
gated, needs a credential | not listed | postsyncer.com |
| io.github.PremierInc/azure-devops
https://mcp.dev.azure.com |
gated, needs a credential | not listed | mcp.dev.azure.com |
| io.github.Print-one/mcp-server
https://mcp.print.one/mcp |
gated, needs a credential | not listed | mcp.print.one |
| io.github.ProAgentStore/platform
https://mcp.proagentstore.online/mcp |
gated, needs a credential | not listed | mcp.proagentstore.online |
| io.github.PrometheusAgency/bluesky-brand-monitor
https://mcp.apify.com/?actors=prometheusagency/bluesky-brand-monitor |
gated, needs a credential | not listed | mcp.apify.com |
| io.github.PrometheusAgency/bluesky-followers-export
https://mcp.apify.com/?actors=prometheusagency/bluesky-followers-export |
gated, needs a credential | not listed | mcp.apify.com |
| io.github.PrometheusAgency/bluesky-scraper
https://mcp.apify.com/?actors=prometheusagency/bluesky-scraper |
gated, needs a credential | not listed | mcp.apify.com |
| io.github.PrometheusAgency/eu-industrial-emissions
https://mcp.apify.com/?actors=prometheusagency/eu-industrial-emissions |
gated, needs a credential | not listed | mcp.apify.com |
| io.github.PrometheusAgency/eudr-parcel-screener
https://mcp.apify.com/?actors=prometheusagency/eudr-parcel-screener |
gated, needs a credential | not listed | mcp.apify.com |
| io.github.PrometheusAgency/expired-domain-screener
https://mcp.apify.com/?actors=prometheusagency/expired-domain-screener |
gated, needs a credential | not listed | mcp.apify.com |
| io.github.PrometheusAgency/shopify-app-store-scraper
https://mcp.apify.com/?actors=prometheusagency/shopify-app-store-scraper |
gated, needs a credential | not listed | mcp.apify.com |
| io.github.PrometheusAgency/us-building-permits
https://mcp.apify.com/?actors=prometheusagency/us-building-permits |
gated, needs a credential | not listed | mcp.apify.com |
| io.github.ProntoHQ/mcp-pronto
https://mcp.prontohq.com/mcp |
gated, needs a credential | not listed | mcp.prontohq.com |
| io.github.Prophet-git/one-brain
https://onebrain.prophet.lat/api/mcp |
gated, needs a credential | not listed | onebrain.prophet.lat |
| io.github.Pushary/pushary
https://pushary.com/api/mcp/sse |
answered, not MCP | not listed | pushary.com |
| io.github.QVerisAI/mcp
https://mcp.qveris.ai/mcp |
gated, needs a credential | not listed | mcp.qveris.ai |
| io.github.QoreNext-IT/qorenext-mcp
https://mcp.qorenext.com/mcp |
404 | not listed | mcp.qorenext.com |
| io.github.QoreNext-IT/qorenext-mcp
https://mcp.qorenext.com/mcp/ |
404 | not listed | mcp.qorenext.com |
| io.github.Qovery/mcp-server
https://mcp.qovery.com/mcp |
gated, needs a credential | not listed | mcp.qovery.com |
| io.github.Quant-M2M/API-Quant-M2M
https://quant-m2m.xyz/sse |
unreachable | not listed | quant-m2m.xyz |
| io.github.QuantJourneyOrg/qj-api-mcp
https://api.quantjourney.cloud/mcp |
gated, needs a credential | not listed | api.quantjourney.cloud |
| io.github.RAHULTRIPGAIN/tripgain-mcp-server
https://mcp.tripgain.com/mcp |
gated, needs a credential | not listed | mcp.tripgain.com |
| io.github.Rakesh1002/namemyapp
https://mcp.namemy.app/mcp |
gated, needs a credential | not listed | mcp.namemy.app |
| io.github.Rama-Digital/coret
https://mcp.coret.id/mcp |
gated, needs a credential | not listed | mcp.coret.id |
| io.github.Ranork/remnus
https://www.remnus.com/api/mcp |
gated, needs a credential | not listed | www.remnus.com |
| io.github.Rarefied-Earth/groundwork
https://connector.rarefied.earth/public/mcp |
server error | not listed | connector.rarefied.earth |
| io.github.Rarefied-Earth/groundwork
https://connector.rarefied.earth/mcp |
server error | not listed | connector.rarefied.earth |
| io.github.Realitim/ultiplace-mcp
https://www.ultiplace.com/api/mcp |
gated, needs a credential | not listed | www.ultiplace.com |
| io.github.Rengon0x/noesis
https://noesisapi.dev/mcp |
gated, needs a credential | not listed | noesisapi.dev |
| io.github.ResonantCodes/botopia-m2m-gateway
https://agents.lilaonthegrid.com/mcp |
JSON-RPC error | not listed | agents.lilaonthegrid.com |
| io.github.RevinhoHQ/revinho-mcp
https://www.revinho.com/api/mcp |
gated, needs a credential | not listed | www.revinho.com |
| io.github.Rexcraig/agentramp
https://mcp.agentramp.io/mcp/{slug} |
404 | not listed | mcp.agentramp.io |
| io.github.Rishav0123/sentimatix
https://sentimatix-mcp.up.railway.app/mcp |
404 | not listed | sentimatix-mcp.up.railway.app |
| io.github.Rishav0123/sentimatix
https://sentimatix-mcp.up.railway.app/sse |
404 | not listed | sentimatix-mcp.up.railway.app |
| io.github.RiskThinking/cdt-express-mcp
https://mcp.riskthinking.ai/mcp |
gated, needs a credential | not listed | mcp.riskthinking.ai |
| io.github.RobotFleet-HQ/security-orchestra
https://security-orchestra-orchestrator.onrender.com/sse |
server error | not listed | security-orchestra-orchestrator.onrender.com |
| io.github.RonDaha/upspring
https://api.upspring.ai/mcp |
gated, needs a credential | not listed | api.upspring.ai |
| io.github.RubenTay/agent-vending-factory
https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp/sse |
answered, not MCP | not listed | agent-vending-factory-3srpjtr7na-ew.a.run.app |
| io.github.Rumblingb/agentpay
https://api.agentpay.so/api/mcp |
gated, needs a credential | not listed | api.agentpay.so |
| io.github.RuyaaCapital-admin/socializioz
https://socializioz.com/api/mcp |
gated, needs a credential | not listed | socializioz.com |
| io.github.RyanByrne/validatethat-mcp
https://validatethat.io/mcp |
answered, not MCP | not listed | validatethat.io |
| io.github.SDMcC/tedscout-mcp
https://tedscout.eu/mcp |
gated, needs a credential | not listed | tedscout.eu |
| blocks-mcp-server
https://ai.seliseblocks.com/mcp |
answers a handshake | not listed | ai.seliseblocks.com |
| io.github.SELISEdigitalplatforms/l0-py-blocks-mcp
https://dev-ai.seliseblocks.com/mcp |
unreachable | not listed | dev-ai.seliseblocks.com |
| io.github.SEODesignLab/seo-tools
https://seodesignlab-paywall.seodesignlab.workers.dev/mcp |
404 | not listed | seodesignlab-paywall.seodesignlab.workers.dev |
| io.github.SWATGenX/swatgenx
https://www.swatgenx.com/mcp |
gated, needs a credential | not listed | www.swatgenx.com |
| io.github.Saga-Labs/dora-mcp
https://doravideo.com/mcp |
gated, needs a credential | not listed | doravideo.com |
| io.github.Samuelfmedeiros/arachne
https://arachne.seu.pet/mcp |
gated, needs a credential | not listed | arachne.seu.pet |
| io.github.SantoraReplica/panya
https://panya.health/api/mcp |
404 | not listed | panya.health |