`search_knowledge_base`

6 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
agent4-io https://api.agent4.io/v1/mcp	answers-mcp	50
measure-tech-pro https://measuretechpro.com/mcp	answers-mcp	13
webforj-mcp https://mcp.webforj.com/mcp	answers-mcp	9
ada-diamonds https://www.adadiamonds.com/mcp	answers-mcp	8
blckalpaca-knowledge-base https://blckalpaca.at/mcp	answers-mcp	4
Appendix https://mcp.appendix.com/mcp	answers-mcp	3

6 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.