Email Verify MCP

An MCP server that allows AI agents to verify email addresses for deliverability. It performs syntax, disposable-domain, MX-record, and role-account checks, returning a verdict (valid, invalid, risky, unknown) with reason codes. It supports OAuth 2.0 and API key authentication.

Visit SimpleBusinessSuite

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

Community listingStreamable HTTPOAuth sign-inEndpoint checked 2026-11-02Published by SimpleBusinessSuite

You need:Create an account, grab an API key from your dashboardCreate a key in the dashboard at https://email-verify.simplebusinesssuite.com/account.htmlFree plan: 100 verifications per month, no credit card required

MCP endpoint (Streamable HTTP)

https://email-verify.simplebusinesssuite.com/mcp

Vendor documentation

What you can do with it

Verify email deliverability before sending AI-generated outreach
Clean lead lists and protect sender reputation
Block fake emails in real-time on signup forms
Bulk-clean CRM lists via API integration

Source and maintenance

Community listingRegistry 1.2.0

mcp-registry: io.github.SimpleBusinessSuite/email-verify@1.2.0 Source repository Project website

Maintenance checked: Nov 2, 2026, 12:50 AM UTC

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks: 1 of 1 (100%)
Average latency: 197 ms
95th percentile latency: 197 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

Nov 2, 2026, 12:52 AM UTC · probe · passed · 197 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http email-verify-mcp https://email-verify.simplebusinesssuite.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add email-verify-mcp --url https://email-verify.simplebusinesssuite.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable email-verify-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "email-verify-mcp": {
      "url": "https://email-verify.simplebusinesssuite.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).

Cline configuration

{
  "mcpServers": {
    "email-verify-mcp": {
      "type": "streamableHttp",
      "url": "https://email-verify.simplebusinesssuite.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start email-verify-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "email-verify-mcp": {
      "type": "http",
      "url": "https://email-verify.simplebusinesssuite.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http email-verify-mcp https://email-verify.simplebusinesssuite.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "email-verify-mcp": {
      "url": "https://email-verify.simplebusinesssuite.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "email-verify-mcp": {
      "serverUrl": "https://email-verify.simplebusinesssuite.com/mcp"
    }
  }
}

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