`search_knowledge`

19 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
expensebot-remote https://mcp.expensebot.ai/mcp	answers-mcp	59
raven-mcp https://mcp.ravenmcp.ai/api/mcp	answers-mcp	45
Precision Concrete Coating AI https://app.precision-concretecoating.com/api/public/mcp	answers-mcp	33
WikiKV https://wikikv.com/mcp/	answers-mcp	25
singchat https://singchat.org/api/mcp/mcp	answers-mcp	17
singchat https://mcp.singchat.org	answers-mcp	17
Arcology Knowledge Node https://arcology-mcp.fly.dev/mcp	answers-mcp	9
24haowan https://mcp.24haowan.com/mcp	answers-mcp	8
crypto-quant-signal-mcp https://api.algovault.com/mcp	answers-mcp	8
idfmetale-mcp https://mcp.idfmetale.pl/mcp	answers-mcp	8
entogo https://entogo.ca/mcp	answers-mcp	7
compatair-mcp-core https://compatair.fr/mcp	answers-mcp	7
value-pro-mcp https://mcp.value-pro.ru/mcp	answers-mcp	7
captia-knowledge https://www.captiatechnology.com/api/mcp/	answers-mcp	6
gccdomestic https://www.gccdomestic.com/mcp	answers-mcp	6
com.socialcooks/mcp https://mcp.socialcooks.com/mcp	answers-mcp	5
PersonAIzer.Sessions https://sessions.personaizer.com/mcp	answers-mcp	5
com.blicht/mcp https://blicht.com/mcp	answers-mcp	4
designare-knowledge https://designare.at/api/mcp	answers-mcp	2

19 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.