Connect Mailvett: Email Validation API for AI Agents MCP to your AI client
Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.
Endpoint: https://mailvett.cybermaxtools.com/mcp · Free: 50 free calls/day, no key · Paid: Cleaner $19/month; Growth $49/month; Agency $99/month; Cleaner yearly $190/year; Growth yearly $490/year; Agency yearly $990/year
| Client | Where the config goes |
|---|---|
| Cursor | ~/.cursor/mcp.json (every project) |
| VS Code (GitHub Copilot) | .vscode/mcp.json in your workspace (VS Code format, top-level "servers") |
| Claude Code | claude mcp add --transport http mailvett 'https://mailvett.cybermaxtools.com/mcp?via=use-with-claude-code' |
| Claude Desktop and claude.ai | no file: remote servers are added as custom connectors in Claude's settings |
| Windsurf (Devin Desktop) | ~/.config/devin/mcp_config.json (macOS and Linux) |
| Cline | cline_mcp_settings.json: in the IDE, click the MCP Servers icon › Configure › Configure MCP Servers |
| OpenAI Codex CLI | ~/.codex/config.toml (or .codex/config.toml in a trusted project) |
| Gemini CLI | gemini mcp add --transport http mailvett 'https://mailvett.cybermaxtools.com/mcp?via=use-with-gemini-cli' |
Tools
Endpoint checked 2026-10-09: https://mailvett.cybermaxtools.com/mcp answered an MCP initialize (protocol 2025-06-18) and tools/list with 1 tool, all marked read-only. No key was used and no tool was called.
| Tool | What it does | Required inputs |
|---|---|---|
validate_emails | Check up to 10 email addresses: syntax, whether the domain exists and has mail servers (MX), mail provider, disposable, role account (info@, sales@), free provider, likely typo with a suggested fix, domain age, SPF and DMARC. Returns verdict (deliverable_likely/risky/undeliverable/invalid), score 0-100 and reason codes per address. Does not verify that the mailbox itself exists. | emails |