`list_providers`

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
@trycourier/courier-mcp https://mcp.courier.com	answers-mcp	144
merx https://merx.exchange/mcp/sse	answers-mcp	66
peppolstatus https://mcp.peppolstatus.com	answers-mcp	51
pipeworx-gateway https://gateway.pipeworx.io/dbnomics/mcp	answers-mcp	36
pipeworx-gateway https://gateway.pipeworx.io/apis-guru/mcp	answers-mcp	35
mailcannon https://www.thinkandautomate.dev/api/mcp	answers-mcp	34
tamgara https://api.tamgara.com/api/mcp	answers-mcp	33
bitcompare https://api.bitcompare.net/mcp	answers-mcp	21
alter-onboarding https://mcp.alterauth.com/mcp	answers-mcp	13
inferenceindexer https://api.inferenceindexer.ai/mcp	answers-mcp	10
RegisterOracle https://tooloracle.io/register/mcp/	answers-mcp	10
diagrams https://diagrams-mcp-production.up.railway.app/mcp	answers-mcp	9
transfers-car-rentals https://transfers.dima.click/mcp	answers-mcp	8
ai-budget-planner https://api.lazy-mac.com/ai-budget-planner/mcp	answers-mcp	6
modelpricewatch https://modelpricewatch.com/mcp	answers-mcp	5
securecloudstorage https://securecloudstorage.com/mcp	answers-mcp	5
ai-rate-limit-tracker https://api.lazy-mac.com/ai-rate-limit-tracker/mcp	answers-mcp	4
vpsudo https://mcp.vpsudo.com/mcp	answers-mcp	3
AgentIntel https://intel.memoryapi.org/mcp	answers-mcp	3

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.