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
dev.riskprofiler/staging-mcp
https://crp-staging-6721-api.riskprofiler.io/mcp
gated, needs a credential not listed crp-staging-6721-api.riskprofiler.io
dev.rostro/rostro
https://proto.rostro.dev/mcp
answered, not MCP not listed proto.rostro.dev
dev.routebase/routebase
https://mcp.routebase.dev/?region={region}
gated, needs a credential not listed mcp.routebase.dev
dev.samva/mcp
https://mcp.samva.dev
gated, needs a credential not listed mcp.samva.dev
dev.scrapenest/scrapenest
https://scrapenest.dev/mcp
gated, needs a credential not listed scrapenest.dev
dev.scrip/mcp
https://mcp.scrip.dev/mcp
gated, needs a credential not listed mcp.scrip.dev
dev.searchstack/searchstack
https://mcp.searchstack.dev
gated, needs a credential not listed mcp.searchstack.dev
dev.skillrepo/skillrepo
https://mcp.skillrepo.dev/api/mcp
gated, needs a credential not listed mcp.skillrepo.dev
dev.slashr/mcp
https://mcp.slashr.dev/mcp
gated, needs a credential not listed mcp.slashr.dev
dev.slipstack/pdf
https://slipstack.dev/api/mcp
unreachable not listed slipstack.dev
dev.smartcut/cutlist-optimizer
https://api.smartcut.dev/mcp
gated, needs a credential not listed api.smartcut.dev
dev.sourced/sourced
https://mcp.sourced.dev/mcp
unreachable not listed mcp.sourced.dev
dev.sprites/mcp
https://sprites.dev/mcp
gated, needs a credential not listed sprites.dev
dev.stackfiesta/stackfiesta-mcp
https://stackfiesta.dev/mcp
answered, not MCP not listed stackfiesta.dev
dev.stackscope/stackscope
https://mcp.stackscope.dev
gated, needs a credential not listed mcp.stackscope.dev
dev.statelode/statelode
https://api.statelode.dev/mcp
gated, needs a credential not listed api.statelode.dev
dev.storage/mcp
https://mcp.storage.dev/mcp
gated, needs a credential not listed mcp.storage.dev
dev.sunrays/booking
https://mcp.sunrays.dev/mcp
404 not listed mcp.sunrays.dev
dev.swatchdog/validator
https://swatchdog-mcp-970396648818.us-central1.run.app/mcp
gated, needs a credential not listed swatchdog-mcp-970396648818.us-central1.run.app
swonkie-public-mcp
https://mcp.swonkie.dev/mcp?apiId={api_id}&apiKey={api_key}
answers a handshake not listed mcp.swonkie.dev
dev.tango/tango
https://tango.dev/mcp
gated, needs a credential not listed tango.dev
dev.tasklix/tasklix
https://api.tasklix.dev/mcp
gated, needs a credential not listed api.tasklix.dev
dev.tatastu/proof
https://proof.tatastu.dev/mcp
unreachable not listed proof.tatastu.dev
dev.telequick/portal
https://portal.telequick.dev/mcp
gated, needs a credential not listed portal.telequick.dev
dev.thexi/brainbox
https://brainbox-mcp.thexi.dev/mcp
gated, needs a credential not listed brainbox-mcp.thexi.dev
dev.typeship/typeship
https://typeship.dev/mcp
gated, needs a credential not listed typeship.dev
dev.typeship/typeship
https://typeship.dev/mcp-oauth
404 not listed typeship.dev
dev.typeship/typeship
https://typeship.dev/mcp/public
JSON-RPC error not listed typeship.dev
dev.typeship/typeship
https://typeship.dev/mcp/readonly
gated, needs a credential not listed typeship.dev
dev.useaxis/axis
https://useaxis.dev/api/mcp
gated, needs a credential not listed useaxis.dev
dev.useforgekit/forgekit
https://useforgekit.dev/mcp
gated, needs a credential not listed useforgekit.dev
dev.vantagemcp/vantage
https://vantagemcp.dev/mcp
gated, needs a credential not listed vantagemcp.dev
dev.vibeseo/vibeseo
https://mcp.vibeseo.dev/mcp
gated, needs a credential not listed mcp.vibeseo.dev
dev.weldra/parley
https://parley.weldra.dev/mcp
gated, needs a credential not listed parley.weldra.dev
dev.whatcanido.www/mcp
https://whatcanido.dev/api/mcp
answered, not MCP not listed whatcanido.dev
dev.workers.exportitnow.plainport/plainport
https://plainport.exportitnow.workers.dev/mcp
JSON-RPC error not listed plainport.exportitnow.workers.dev
dev.workers.filae.atproto-mcp/atproto
https://atproto-mcp.filae.workers.dev/mcp
404 not listed atproto-mcp.filae.workers.dev
live-listing-proof
https://live-listing-proof.mattskowronis.workers.dev/mcp
answers a handshake not listed live-listing-proof.mattskowronis.workers.dev
sec-filing-proof
https://sec-filing-proof.mattskowronis.workers.dev/mcp
answers a handshake not listed sec-filing-proof.mattskowronis.workers.dev
dev.workers.perch-app.catchr/catchr
https://catchr.perch-app.workers.dev/mcp
404 not listed catchr.perch-app.workers.dev
dev.workers.perch-app.corvid/corvid
https://corvid.perch-app.workers.dev/mcp
404 not listed corvid.perch-app.workers.dev
dev.workers.perch-app.flock/flock
https://flock.perch-app.workers.dev/mcp
404 not listed flock.perch-app.workers.dev
dev.workers.perch-app.meetwhen/meetwhen
https://meetwhen.perch-app.workers.dev/mcp
404 not listed meetwhen.perch-app.workers.dev
dev.workers.perch-app.roost/roost
https://roost.perch-app.workers.dev/mcp
404 not listed roost.perch-app.workers.dev
dev.yeku/yeku
https://mcp.yeku.dev/mcp
gated, needs a credential not listed mcp.yeku.dev
dev.zop/zopdev-mcp
https://api.zop.dev/mcp-server
gated, needs a credential not listed api.zop.dev
direct.openclaw/mcp
https://openclaw.direct/mcp
gated, needs a credential not listed openclaw.direct
directory.brick/mcp
https://mcp.brick.directory/connect
unreachable not listed mcp.brick.directory
directory.brick/mcp
https://api.brick.directory/connect
gated, needs a credential not listed api.brick.directory
dk.companydata/companydata
https://api.companydata.dk/mcp
gated, needs a credential not listed api.companydata.dk
previous page 236 next