extract13 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-farm
https://api.x-402.online/mcp |
answers-mcp | 60 |
| k402
https://x402-compute.68cxgfyr0.workers.dev/mcp |
answers-mcp | 36 |
| xportalx
https://fflpdljiuruqdnewvwkk.supabase.co/functions/v1/mcp |
answers-mcp | 29 |
| 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 |
| mercury-x402
https://network.mercury-hq.com/mcp |
answers-mcp | 18 |
| Agent Media Toolkit
https://podcast-shorts-a2a-production.up.railway.app/mcp/ |
answers-mcp | 15 |
| hydrafetch
https://api.hydrafetch.com/mcp |
answers-mcp | 13 |
| coinslot
https://coinslot.dev/mcp |
answers-mcp | 13 |
| toolvend
https://toolvend.dev/mcp |
answers-mcp | 10 |
| srezai
https://srezai.ru/api/mcp |
answers-mcp | 10 |
| Sofya
https://sofya.co/mcp |
answers-mcp | 4 |
13 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.