`get_usage`

41 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
rateapi-mcp https://mcp.rateapi.dev/mcp	answers-mcp	81
n0brains https://api.n0brains.com/mcp/	answers-mcp	52
busymate-devtools https://mcp.busymate.dev	answers-mcp	48
prowlo https://api.prowlo.com/mcp	answers-mcp	47
vhgengine https://engine-production-3bdc.up.railway.app/mcp	answers-mcp	45
sn-mcp https://mcp.mapmap.ai/mcp	answers-mcp	43
serpmantics https://app.serpmantics.com/api/mcp	answers-mcp	28
clariBI MCP Server https://claribi.com/mcp/v1/	answers-mcp	26
clariBI MCP Server https://claribi.com/mcp/v1/sse	answers-mcp	26
mailbox.bot https://mailbox.bot/api/mcp	answers-mcp	19
verifly-mcp-server https://verifly.email/mcp	answers-mcp	17
stackresolve https://mcp.stackresolve.dev/mcp	answers-mcp	15
convalytics https://api.convalytics.dev/mcp	answers-mcp	15
defade https://api.defade.org/mcp	answers-mcp	15
esimker https://esimker.com/api/mcp	answers-mcp	12
mcp-billing-gateway https://mcp-billing-gateway-production.up.railway.app/mcp/	answers-mcp	12
nose-for-leads https://api.noseforleads.com/mcp	answers-mcp	11
RevDesk Product MCP https://mcp.revdesk.com/mcp	answers-mcp	10
srezai https://srezai.ru/api/mcp	answers-mcp	10
gankdat https://gankdat.com/mcp	answers-mcp	9
sibfly https://sibfly.com/mcp	answers-mcp	9
lmxcloud-mcp https://mcp.lmxcloud.io/mcp	answers-mcp	9
ai-rete-rag https://ai-rete-rag.com/mcp	answers-mcp	8
tabular-recipe https://api.tabularrecipe.com/mcp	answers-mcp	8
bol-ai https://bol.ai/api/mcp	answers-mcp	8
Sentinel Signal MCP https://mcp.sentinelsignal.io/mcp	answers-mcp	8
auto-reader-ocr https://api.auto-reader.com/mcp	answers-mcp	7
reputemap https://api.reputemap.com/mcp	answers-mcp	7
klanex https://api.klanexai.com/mcp	answers-mcp	6
SentimentFX https://api.sentimentfx.org/mcp	answers-mcp	6
contractorroster https://contractorroster.com/api/mcp	answers-mcp	5
MESSORA https://mcp.messora.dev/mcp	answers-mcp	5
scrapi https://scrapi.ai/mcp	answers-mcp	5
url-checker https://mcp.bulkurlchecker.com/mcp	answers-mcp	5
basinwise https://basinwise.vercel.app/api/mcp	answers-mcp	5
crucible https://crucibleui.com/api/mcp	answers-mcp	4
cautellus https://cautellus.com/api/mcp	answers-mcp	3
negativeev-bet-checker https://negativeev.com/mcp	answers-mcp	3
frontier https://openfrontier.dev/mcp	answers-mcp	3
lead-enrichment https://energetic-upliftment-production-8bdd.up.railway.app/mcp/	answers-mcp	3
lead-enrichment https://leads.compuute.se/mcp/	answers-mcp	3

41 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.