`check_balance`

31 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
heista https://www.heista.co/api/mcp/mcp	answers-mcp	118
AgentRider https://agentrider.vercel.app/api/mcp	answers-mcp	63
switch https://mcp.switchapp.ai/mcp	answers-mcp	58
com.scriptivox.www/transcription https://platform.scriptivox.com/mcp	answers-mcp	39
ProductClank https://mcp.productclank.com/mcp	answers-mcp	36
pikasim https://pikasim.com/mcp	answers-mcp	31
Solentic Staking https://solentic.theblueprint.xyz/mcp	answers-mcp	29
StudioMCPHub https://studiomcphub.com/mcp	answers-mcp	27
buyukesim https://buyukesim.com/mcp	answers-mcp	19
unifically https://mcp.unifically.com/mcp	answers-mcp	14
kairos-signal-mcp https://kairossignal.com/mcp	answers-mcp	12
agentdeals https://agentdeals-production.up.railway.app/mcp	answers-mcp	12
agentdeals https://agentdeals.dev/mcp	answers-mcp	12
nautilinks-mcp https://mcp.nautilinks.co/mcp	answers-mcp	11
russia-access https://ruscrape.com/mcp	answers-mcp	9
potarix-enricher https://api.potarix.com/mcp	answers-mcp	9
varrd https://app.varrd.com/mcp	answers-mcp	9
acuris-geo https://api.acuris-geo.com/mcp	answers-mcp	8
Rixot https://ai.rixot.com/mcp	answers-mcp	7
fetcher.sh — App Store https://appstore.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — Google Maps https://google-maps.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — Google News https://google-news.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — Google Search https://google.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — Google Play https://googleplay.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — Instagram https://instagram.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — Reddit https://reddit.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — TikTok https://tiktok.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — Twitter / X https://twitter.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — Yelp https://yelp.fetcher.sh/mcp	answers-mcp	6
fetcher.sh — YouTube https://youtube.fetcher.sh/mcp	answers-mcp	6
SendThisFax https://www.sendthisfax.com/mcp	answers-mcp	4

31 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.