38,077 servers. Updated 2026-10-27 18:04

MCP connectors by com.listcheckup

ListCheckup
com.listcheckup
Email verification for AI assistants. Check one address or a whole list (valid, invalid, risky, catch-all, unknown, with the reason), with the price shown before any credits are spent. EU-based; catch-all and unknown results are free; 100 free checks a month. Auth: Authorization: Bearer <API key>.
1
https://listcheckup.com/mcp
ListCheckup
com.listcheckup
Email verification for AI agents: check addresses and lists, priced before credits are spent.
1
https://listcheckup.com/mcp