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.usefulapi/recurly
https://recurly.usefulapi.io/mcp |
bad request | not listed | recurly.usefulapi.io |
| io.usefulapi/scalingo
https://scalingo.usefulapi.io/mcp |
bad request | not listed | scalingo.usefulapi.io |
| io.usefulapi/sendbird
https://sendbird.usefulapi.io/mcp |
bad request | not listed | sendbird.usefulapi.io |
| io.usefulapi/sendgrid
https://sendgrid.usefulapi.io/mcp |
bad request | not listed | sendgrid.usefulapi.io |
| io.usefulapi/simpletexting
https://simpletexting.usefulapi.io/mcp |
bad request | not listed | simpletexting.usefulapi.io |
| io.usefulapi/speechmatics
https://speechmatics.usefulapi.io/mcp |
bad request | not listed | speechmatics.usefulapi.io |
| io.usefulapi/spikesh
https://spikesh.usefulapi.io/mcp |
bad request | not listed | spikesh.usefulapi.io |
| io.usefulapi/squadcast
https://squadcast.usefulapi.io/mcp |
bad request | not listed | squadcast.usefulapi.io |
| io.usefulapi/statuspal
https://statuspal.usefulapi.io/mcp |
bad request | not listed | statuspal.usefulapi.io |
| io.usefulapi/stream
https://stream.usefulapi.io/mcp |
bad request | not listed | stream.usefulapi.io |
| io.usefulapi/swell
https://swell.usefulapi.io/mcp |
bad request | not listed | swell.usefulapi.io |
| io.usefulapi/tailscale
https://tailscale.usefulapi.io/mcp |
bad request | not listed | tailscale.usefulapi.io |
| io.usefulapi/twenty
https://twenty.usefulapi.io/mcp |
bad request | not listed | twenty.usefulapi.io |
| io.usefulapi/uploadcare
https://uploadcare.usefulapi.io/mcp |
bad request | not listed | uploadcare.usefulapi.io |
| io.usefulapi/vital
https://vital.usefulapi.io/mcp |
bad request | not listed | vital.usefulapi.io |
| io.usefulapi/youcanbookme
https://youcanbookme.usefulapi.io/mcp |
bad request | not listed | youcanbookme.usefulapi.io |
| io.usefulapi/zendesk
https://zendesk.usefulapi.io/mcp |
bad request | not listed | zendesk.usefulapi.io |
| io.usewire/chocolate-recipes
https://wire-public.mcp.usewire.io/container/iLleTz6882Fru1XK/mcp |
404 | not listed | wire-public.mcp.usewire.io |
| io.usewire/christmas-carol
https://wire-public.mcp.usewire.io/container/gUeioF26GkeQPHxj/mcp |
404 | not listed | wire-public.mcp.usewire.io |
| io.usewire/lennys-podcast
https://wire-public.mcp.usewire.io/container/ogYiGchr47Fcjb4i/mcp |
404 | not listed | wire-public.mcp.usewire.io |
| io.usewire/un-demographics
https://wire-public.mcp.usewire.io/container/UQfmLvKhhRJaSqY3/mcp |
404 | not listed | wire-public.mcp.usewire.io |
| io.valmera/video-editor
https://entrepreneur-bot-backend.onrender.com/mcp |
gated, needs a credential | not listed | entrepreneur-bot-backend.onrender.com |
| vectree
https://vectree.io/mcp |
answers a handshake | not listed | vectree.io |
| io.veed/fabric-mcp
https://www.veed.io/api/v1/mcp |
gated, needs a credential | not listed | www.veed.io |
| io.veezee/all
https://mcp.veezee.io/all |
gated, needs a credential | not listed | mcp.veezee.io |
| io.veezee/linkedin
https://mcp.veezee.io/mcp |
gated, needs a credential | not listed | mcp.veezee.io |
| io.veezee/linkedin
https://mcp.veezee.io/sse |
404 | not listed | mcp.veezee.io |
| io.veezee/linkedin
https://mcp.veezee.io/linkedin |
gated, needs a credential | not listed | mcp.veezee.io |
| io.veezee/reddit
https://mcp.veezee.io/reddit |
gated, needs a credential | not listed | mcp.veezee.io |
| io.veezee/x-twitter
https://mcp.veezee.io/x |
gated, needs a credential | not listed | mcp.veezee.io |
| io.vivioo/mcp-server
https://mcp.vivioo.io/sse |
404 | not listed | mcp.vivioo.io |
| io.weavz/weavz
https://platform.weavz.io/mcp/weavz |
gated, needs a credential | not listed | platform.weavz.io |
| io.wiremock/wiremock-cloud
https://mcp.wiremock.cloud/mcp |
gated, needs a credential | not listed | mcp.wiremock.cloud |
| io.wisesheets/wisesheets
https://mcp.wisesheets.io/v1/mcp |
gated, needs a credential | not listed | mcp.wisesheets.io |
| io.wordlift/mcp-server
https://mcp.wordlift.io/sse |
gated, needs a credential | not listed | mcp.wordlift.io |
| io.workcontextprotocol/wcp
https://workcontextprotocol.io/mcp |
gated, needs a credential | not listed | workcontextprotocol.io |
| io.workcontextprotocol/wcp
https://workcontextprotocol.io/mcp?src=registry |
gated, needs a credential | not listed | workcontextprotocol.io |
| io.zeblink/zebra
https://app.zeblink.io/api/mcp |
gated, needs a credential | not listed | app.zeblink.io |
| io.zelume/zelume
https://www.zelume.io/mcp |
gated, needs a credential | not listed | www.zelume.io |
| io.zerocms/zero
https://mcp.zerocms.io/ |
gated, needs a credential | not listed | mcp.zerocms.io |
| io.zerosettle/mcp
https://mcp.zerosettle.io/mcp |
gated, needs a credential | not listed | mcp.zerosettle.io |
| io.zircular/zlab-stress-test
https://mcp.zircular.io/mcp |
unreachable | not listed | mcp.zircular.io |
| io.zsign/zsign
https://zsign-z72c.onrender.com/mcp |
gated, needs a credential | not listed | zsign-z72c.onrender.com |
| io.zsign/zsign
https://zsign.io/mcp |
gated, needs a credential | not listed | zsign.io |
| io.zvid/mcp
https://mcp.zvid.io/mcp |
gated, needs a credential | not listed | mcp.zvid.io |
| is.gently/knowledge-graph
https://api.stage.gently.is/mcp |
gated, needs a credential | not listed | api.stage.gently.is |
| is.k01/synthetic-health-data
https://mcp.k01.is/mcp |
gated, needs a credential | not listed | mcp.k01.is |
| it.datituristici/datituristici
https://datituristici.it/mcp |
JSON-RPC error | not listed | datituristici.it |
| it.elsas/security-intel
https://elsas.it/mcp |
404 | not listed | elsas.it |
| it.flusia/crm
https://api.flusia.it/mcp |
gated, needs a credential | not listed | api.flusia.it |