`cancel_booking`

11 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
eenable-shop https://eenable.me/mcp	answers-mcp	16
net.andrii/booking https://andrii.net/mcp	answers-mcp	15
Cancun4me https://cancun4-mcp.fly.dev/mcp	answers-mcp	13
tourmind-booking-toc https://api.tourmind.com/mcp/toc	answers-mcp	11
yesmcp https://mcp.yesmcp.com/mcp	answers-mcp	10
kirah-local-services https://kirah.ai/api/mcp-registry-v1	answers-mcp	10
registry https://mercantry.org/mcp	answers-mcp	9
g-guest https://g-guest.app/api/mcp	answers-mcp	8
1stay https://mcp.stayker.com/mcp	answers-mcp	8
Booking Server https://ai.upsalt.io/mcp/booking	answers-mcp	5
wanakahaus https://wanakahaus.nz/api/mcp	answers-mcp	5

11 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.