ZeroBounce MCP Server

A Model Context Protocol server for the ZeroBounce email validation API. It lets AI assistants like Claude validate single emails or batches of up to 100 and explain each result in plain English (Safe, Risky, Unverified, Will Bounce, Do Not Send). It can also find a person's business email or a company's email format, score leads with ZeroBounce AI, manage allow/block filters, run bulk validation, scoring and email-finder jobs, and get a free risk estimate for a list before paying to clean it. Every tool states its credit cost, and your ZeroBounce key is stored in the MCP Key Service instead of your client config.

MCP Endpoint

Base endpoint (requires API key):

https://mcp.techmavie.digital/zerobounce/mcp

MCP Key Service

An MCP Key Service API key is required to use this MCP server.

Get your API key at mcpkeys.techmavie.digital

* Required field

MCP Key Service API Key *

Privacy Notice: Your API key is processed entirely in your browser and is never stored or transmitted to our servers. The URL is generated client-side only.

Need help setting up? Follow the official setup guides:

Features

Real-time email validation with plain-English verdicts (Safe, Risky, Unverified, Will Bounce, Do Not Send)

Batch validation of up to 100 addresses, with duplicates removed before charging

Email Finder: find a person's business email from their name and company domain

Domain Search: discover a company's email format (e.g. first.last)

AI email scoring (0-10) to prioritise leads and catch-all addresses

Allow/block filters by email, domain, MX record, or TLD

Bulk validation, AI scoring, email finding, and domain search with summarised, paginated results

Free List Evaluator risk estimate before paying for validation

US and EU data-residency endpoints

Credit cost shown on every tool, with MCP Key Service authentication

Available Tools

zerobounce_hello

Check server status and connection mode

zerobounce_get_credits / zerobounce_get_api_usage

Credit balance and usage by status

zerobounce_validate_email

Validate one address with a verdict and details

zerobounce_validate_batch

Validate up to 100 addresses at once

zerobounce_get_activity_data

Check when an address was last active

zerobounce_score_email

AI quality score (0-10) for one address

zerobounce_find_email

Find a person's business email

zerobounce_domain_search

Find a company's email format

zerobounce_list_filters / zerobounce_add_filter / zerobounce_delete_filter

Manage allow and block rules

zerobounce_bulk_validate / zerobounce_bulk_score

Submit lists for bulk validation or AI scoring

zerobounce_bulk_find_emails / zerobounce_bulk_domain_search

Bulk email finding and format search

zerobounce_bulk_status / zerobounce_bulk_results / zerobounce_bulk_delete

Track, read, and delete bulk files

zerobounce_evaluate_list / zerobounce_evaluate_list_status

Free list risk estimate

Highlights

21 tools covering the ZeroBounce APICredit cost shown on every toolFree sandbox test addresses (no credits used)Self-hosted VPS deploymentStreamable HTTP transport

Requirements

MCP Key Service API key (register at mcpkeys.techmavie.digital)
ZeroBounce API key (registered via MCP Key Service)

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