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github.com/bounceprotectBusiness & Marketing0Updated 21w ago

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BounceProtect MCP Server validates individual or bulk email addresses and checks credit balances. It is for users of Claude, Cursor, and other MCP-compatible assistants who need email verification in their workflows.

Key features

01Validate a single email address
02Validate up to 100 emails at once
03Check the credit balance

Use cases

01Check an address before adding it to a contact list
02Review a batch of addresses and find invalid entries

MCP support

The server exposes email validation and credit-balance tools to MCP clients such as Claude and Cursor. It requires a BounceProtect API key.

Configuration

Local server config is the same for every client. Copy it into your client’s MCP config file.

mcp.json · Universal config

{
  "mcpServers": {
    "com-bounceprotect-www": {
      "command": "npx",
      "args": [
        "-y",
        "@bounceprotect/mcp"
      ],
      "env": {
        "YOUR_API_KEY": "<YOUR_API_KEY>"
      }
    }
  }
}

Run commandnpx -y @bounceprotect/mcp

Environment variables to set

YOUR_API_KEYSecretYour API key for the service

Local servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.

Packages

npm@bounceprotect/mcp1.0.6stdio

Tools

Saved tool list · updated 2w ago

Parameter	Type	Required	Description
email	string	Yes	The email address to validate

Details

From the project README

BounceProtect MCP Server

Validate email addresses directly from Claude, Cursor, or any MCP-compatible AI assistant.

Tools available

validate_email — validate a single email
validate_emails_bulk — validate up to 100 emails at once
check_credits — check your credit balance

Setup

Get your API key

Sign up at https://bounceprotect.com
Go to Dashboard → API Keys
Create a new key

Install and configure

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "bounceprotect": {
      "command": "node",
      "args": ["/path/to/mcp-server/index.js"],
      "env": {
        "BOUNCEPROTECT_API_KEY": "your-api-key-here"
      }
    }
  }
}

Cursor

Add to your Cursor MCP settings:

{
  "bounceprotect": {
    "command": "node",
    "args": ["/path/to/mcp-server/index.js"],
    "env": {
      "BOUNCEPROTECT_API_KEY": "your-api-key-here"
    }
  }
}

Example usage

Once configured, you can ask your AI assistant:

"Validate the email [email protected]"
"Check if these 5 emails are valid: [list]"
"How many BounceProtect credits do I have left?"
"Validate all the emails in this list and tell me which ones to remove"

Pricing

Each email validation costs 1 credit. Start with 100 free credits at bounceprotect.com.

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