`list_datasets`

23 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
algenta-mcp https://api.algenta.ai/mcp	answers-mcp	140
Newscatcher CatchAll API https://catchall-mcp.newscatcherapi.com/mcp	answers-mcp	61
sella-mcp https://sellag.vercel.app/api/mcp	answers-mcp	52
tw-market-data https://mcp.twmarketdata.com/mcp	answers-mcp	41
pipeworx-gateway https://gateway.pipeworx.io/uk-ons/mcp	answers-mcp	37
pipeworx-gateway https://gateway.pipeworx.io/dbnomics/mcp	answers-mcp	36
pipeworx-gateway https://gateway.pipeworx.io/bpstat-pt/mcp	answers-mcp	35
pipeworx-gateway https://gateway.pipeworx.io/cso-ie/mcp	answers-mcp	35
pipeworx-gateway https://gateway.pipeworx.io/statbel-be/mcp	answers-mcp	35
pipeworx-gateway https://gateway.pipeworx.io/datacube-sk/mcp	answers-mcp	34
pipeworx-gateway https://gateway.pipeworx.io/eurostat/mcp	answers-mcp	34
pipeworx-gateway https://gateway.pipeworx.io/nsi-bg/mcp	answers-mcp	34
sw-mcp https://mcp.smarterweather.com	answers-mcp	32
kairos-signal-mcp https://kairossignal.com/mcp	answers-mcp	12
Starwell https://starwell.dev/api/starwell/mcp	answers-mcp	11
crelvo-german-tax-data https://data.crelvo.dev/mcp	answers-mcp	10
Location Profile https://api.geospatialsystem.com/mcp	answers-mcp	9
lunenburg-budget https://lunenburgbudgetproject.org/mcp	answers-mcp	8
ClinicMarketIQ Public Data https://clinicmarketiq-public-mcp.rotgar-fizkl.workers.dev/mcp	answers-mcp	6
tessera-hyperliquid-data https://tesseralytics.dev/mcp	answers-mcp	5
dantes-exchange https://dantes.ai/exchange/mcp	answers-mcp	5
datagraph-city https://api.datagraph.city/mcp	answers-mcp	5
referencesource https://referencesource.org/mcp	answers-mcp	4

23 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.