`health_check`

12 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
tunnelmind-data-api https://mcp-data.tunnelmind.ai/mcp	answers-mcp	93
V12 DFS Optimizer https://v12dfs-production.up.railway.app/mcp	answers-mcp	34
birthstar https://mcp.birthstar.ai/mcp	answers-mcp	30
datamerge-mcp https://mcp.datamerge.ai	answers-mcp	23
booking-hotel-mcp https://api.waysway.com/mcp	answers-mcp	20
synapse-layer https://forge.synapselayer.org/api/mcp	answers-mcp	13
numbrU API https://numbru-mcp-server.numbru.workers.dev	answers-mcp	11
clawfetch https://mcp.clawfetch.ai/mcp	answers-mcp	10
meetbot-mcp https://mcp.meet.bot	answers-mcp	8
x402-agentic-router https://amalgix.io/mcp	answers-mcp	8
kimchisushi-agent-mcp https://kimchi-sushi.com/mcp	answers-mcp	6
health https://health.getvda.ai/mcp	answers-mcp	5

12 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.