`list_messages`

12 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
send16 https://mcp.send16.com/mcp	answers-mcp	79
relin-mcp https://relin.app/mcp	answers-mcp	52
agentiq-mcp https://moltad.net/mcp	answers-mcp	40
agent-cold-email https://agent-cold-email-api.yaakovscher.workers.dev/mcp	answers-mcp	28
lobex https://lobex.app/mcp	answers-mcp	26
exmachina-ai https://exmachina-ai.fly.dev/mcp	answers-mcp	23
EnvoiSMS Platform MCP Server https://api.envoisms.ma/v1/mcp	answers-mcp	15
crevio-api https://mcp.crevio.co/mcp	answers-mcp	14
machine-inbox https://machineinbox.com/mcp	answers-mcp	11
kontato https://api.kontato.ai/mcp	answers-mcp	9
LMGram https://api.lmgram.com/mcp	answers-mcp	6

12 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.