Koskamo

Mamba Labs Email Verifier MCP

This MCP server allows AI agents to verify email lists using external validation services. It supports integration with ZeroBounce, NeverBounce, MillionVerifier, BounceBan, and Reoon APIs, enabling users to validate email addresses and check deliverability status as part of GTM signal enrichment workflows.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Mamba Labs Email Verifier MCP logo, by Mamba LabsVendor evidenceLocal stdioSource reviewed; not executedOperated by Mamba Labs
You need:Verify email lists with your own ZeroBounce, NeverBounce, MillionVerifier, BounceBan, or Reoon API key
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Official MCP Registry namespace is tied to mambabuilt.com ·

What you can do with it

  • Verify email lists using ZeroBounce API
  • Validate emails via NeverBounce service
  • Check deliverability with MillionVerifier
  • Use BounceBan or Reoon for validation

Source and maintenance

Vendor evidenceRegistry 1.0.0MIT
mcp-registry: com.mambabuilt/mcp-email-verifier@1.0.0Source repository
Last repository push
Latest release
v1.0.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@mambalabsdev/mcp-email-verifier 1.0.0

npm
@mambalabsdev/mcp-email-verifier package definition
{
  "version": "1.0.0",
  "transport": "stdio",
  "identifier": "@mambalabsdev/mcp-email-verifier",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "APIFY_TOKEN",
      "format": "string",
      "isRequired": true,
      "description": "Apify API token from https://console.apify.com/account/integrations"
    },
    {
      "name": "EMAIL_VERIFIER_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "Your own API key for ZeroBounce, NeverBounce, MillionVerifier, BounceBan, or Reoon."
    }
  ]
}

Tools

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

No tool definitions available.

Maintenance history

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

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before 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.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "mamba-labs-email-verifier-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-email-verifier@1.0.0"
      ],
      "env": {
        "APIFY_TOKEN": "<YOUR_APIFY_TOKEN>",
        "EMAIL_VERIFIER_API_KEY": "<YOUR_EMAIL_VERIFIER_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "mamba-labs-email-verifier-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-email-verifier@1.0.0"
      ],
      "env": {
        "APIFY_TOKEN": "<YOUR_APIFY_TOKEN>",
        "EMAIL_VERIFIER_API_KEY": "<YOUR_EMAIL_VERIFIER_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "mamba-labs-email-verifier-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-email-verifier@1.0.0"
      ],
      "env": {
        "APIFY_TOKEN": "<YOUR_APIFY_TOKEN>",
        "EMAIL_VERIFIER_API_KEY": "<YOUR_EMAIL_VERIFIER_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "mamba-labs-email-verifier-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-email-verifier@1.0.0"
      ],
      "env": {
        "APIFY_TOKEN": "<YOUR_APIFY_TOKEN>",
        "EMAIL_VERIFIER_API_KEY": "<YOUR_EMAIL_VERIFIER_API_KEY>"
      }
    }
  }
}

Let your agent find its tools

Find servers like Mamba Labs Email Verifier MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 1,030