`whoami`

51 servers reported a tool by this name when we called them. Names are chosen by whoever wrote the server, so two tools sharing a name do not have to do the same thing. We record what was reported, not what it does.

server	result when we called it	tools
BorealHost https://borealhost.ai/mcp/	answers-mcp	152
redu-cloud-mcp https://mcp.redu.cloud/mcp	answers-mcp	81
Tango https://tango.applayer.io/mcp	answers-mcp	81
AIOProductOS https://platform.aioproductos.com/api/mcp	answers-mcp	71
clusterhack https://clusterhack.dev/mcp/	answers-mcp	60
the-balanced-investor-club https://thebalancedinvestorclub.com/api/mcp/mcp	answers-mcp	57
afterlaunch https://afterlaunch.io/api/mcp	answers-mcp	51
spriteship https://spriteship.com/mcp	answers-mcp	44
seekrit https://mcp.seekrit.dev/mcp	answers-mcp	40
Riddle Creator MCP https://www.riddle.com/creator/api/v3/mcp	answers-mcp	38
coinrithm-trading https://mcp.coinrithm.com/mcp	answers-mcp	38
zooza-mcp https://mcp.zooza.app/mcp	answers-mcp	34
latticenet https://latticenet.ai/mcp	answers-mcp	33
com.mcpscores/agent-continuity https://mcpfax-continuity.bowling-anthony.workers.dev/mcp	answers-mcp	33
eyeot-erp https://erp.eyeot.fr/api/v1/mcp	answers-mcp	33
duami https://duami.ai/mcp	answers-mcp	29
bim.house https://bim.house/mcp	answers-mcp	29
eqvps https://mcp.eqvps.com/mcp	answers-mcp	27
Ripostiq https://ripostiq.com/mcp	answers-mcp	24
reachpad https://reachpad.dev/mcp	answers-mcp	24
exmachina-ai https://exmachina-ai.fly.dev/mcp	answers-mcp	23
FeatureJet MCP https://mcp.featurejet.com/mcp	answers-mcp	22
squirrelscan https://mcp.squirrelscan.com/mcp	answers-mcp	20
lightbringer-mcp-server https://mcp.lightbringer.com/mcp	answers-mcp	18
recao https://recao.app/api/mcp	answers-mcp	17
gitbuyer https://gitbuyer.com/mcp	answers-mcp	16
aura https://aura.rohnelt.dev/mcp	answers-mcp	16
depthfeed https://api.depthfeed.com/mcp	answers-mcp	15
crevio-api https://mcp.crevio.co/mcp	answers-mcp	14
forkmate https://app.forkmate.ai/mcp	answers-mcp	12
forkmate https://mcp.forkmate.ai/	answers-mcp	12
sitectrl https://mcp.sitectrl.ai/mcp	answers-mcp	12
tomorrowcentral https://api.tomorrowcentral.com/mcp	answers-mcp	12
loro.bot https://loro.bot/mcp	answers-mcp	11
submitmap https://submitmap.com/api/mcp	answers-mcp	11
kortex https://kortex.rohnelt.dev/mcp	answers-mcp	10
vortex https://vortex.rohnelt.dev/mcp	answers-mcp	10
ai-crawler-index https://www.pathwren.workers.dev/mcp?s=pathwren-edge&c=mcp-registry	answers-mcp	9
ai-crawler-index https://www.pathwren.workers.dev/c/mcp-registry-official/mcp	answers-mcp	9
crawler-ip-verifier https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/netcheck	answers-mcp	8
crawler-log-triage https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/triage	answers-mcp	8
robots-policy-lint https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/robots	answers-mcp	8
victano https://mcp.victano.com/mcp	answers-mcp	7
lettera https://api.lettera.dev/mcp	answers-mcp	7
agent-discovery-doctor https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/doctor	answers-mcp	7
mcp-endpoint-lint https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/lint	answers-mcp	7
dealscanner https://mcp.dealscanner.io/mcp	answers-mcp	7
blogcaster-mcp https://blogcaster-mcp.rrpb2580.workers.dev/mcp	answers-mcp	7
at-directory https://mcp.agenticterminal.ai/mcp	answers-mcp	6
project-launch-ai https://projectlaunch.ai/mcp	answers-mcp	4
Notsy Facturación https://mcp.notsy.com.mx/mcp	answers-mcp	4

51 of these answered an MCP handshake on the day we checked. That is not a promise the tool works, only that the server was running and told us the tool existed.