read7 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 |
|---|---|---|
| x402-services
https://x402-services-production.up.railway.app/mcp |
answers-mcp | 159 |
| x402-data-gateway
https://x402-url-extractor-production.up.railway.app/mcp |
answers-mcp | 22 |
| x402-data-gateway
https://agents.samedaydesk.com/mcp |
answers-mcp | 22 |
| x402-vend
https://x402.omardev.xyz/mcp |
answers-mcp | 11 |
| raza-sor
https://sor.razarizwan.com/mcp |
answers-mcp | 4 |
| libgen-mcp
https://mcp.jmrp.io/libgen |
answers-mcp | 4 |
| skim
https://skim.perch-app.workers.dev/mcp |
answers-mcp | 1 |
7 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.