`list_topics`

17 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
send16 https://mcp.send16.com/mcp	answers-mcp	79
vaultcrux-memory-core https://api.vaultcrux.com/memory-core/mcp	answers-mcp	75
sendraven https://mcp.sendraven.ai/mcp	answers-mcp	47
the-agent-times https://theagenttimes.com/mcp	answers-mcp	20
hugging-bay-remote-mcp https://huggingbay.xyz/api/mcp	answers-mcp	16
agent-pulse https://agent-pulse-seven.vercel.app/mcp	answers-mcp	15
aixbt https://api.aixbt.tech/mcp	answers-mcp	12
alpha-by-mossland https://alpha.moss.land/api/mcp	answers-mcp	12
zhiyong-kg https://zhiyong.dev/mcp	answers-mcp	11
karandeepsingh-blog https://karandeepsingh.ca/mcp	answers-mcp	11
zhiyong-kg https://kg-tool-catalog.kg-tool-catalog-demo.workers.dev/mcp	answers-mcp	11
billcommons https://mcp.billcommons.org/mcp	answers-mcp	11
mcpjunction https://mcpjunction.ai/mcp	answers-mcp	5
flevy https://flevy.com/mcp	answers-mcp	5
com.blicht/mcp https://blicht.com/mcp	answers-mcp	4
umesh-malik-portfolio https://umesh-malik.com/mcp	answers-mcp	4
whyismy-org https://whyismy.org/mcp	answers-mcp	4

17 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.