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SMTPing MCP
Official SMTPing stdio MCP server for verifying individual email addresses or bulk lists, checking threat classifications, and reading credit balance. Verification calls consume credits and send submitted addresses to the SMTPing API. Repository created September 27, 2026.
MCP unverified
Integration
| Transport | stdio |
| Auth | api-key |
| Endpoint | npx -y @smtping/mcp |
| Install | npx -y @smtping/mcp (set SMTPING_API_KEY privately) |
Use Cases
| 01 | Check an authorized address before outreach |
| 02 | Verify a consented contact list |
| 03 | Inspect remaining verification credits |
Tags
email verification deliverability bulk credits stdio
Machine-readable: /api/servers.json
· JSON-LD schema embedded in <head>