MailerCheck MCP Server for Claude Code 5 tools — connect in under 2 minutes
Claude Code is Anthropic's agentic CLI for terminal-first development. Add MailerCheck as an MCP server in one command and Claude Code will discover every tool at runtime. ideal for automation pipelines, CI/CD integration, and headless workflows via Vinkius.
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# Your Vinkius token. get it at cloud.vinkius.com
claude mcp add mailercheck --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About MailerCheck MCP Server
Connect your MailerCheck account to any AI agent to automate your email hygiene and deliverability workflows. This MCP server enables your agent to verify single email addresses instantly, manage batch verification lists, and monitor your account credits directly from natural language interfaces.
Claude Code registers MailerCheck as an MCP server in a single terminal command. Once connected, Claude Code discovers all 5 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where MailerCheck data drives decisions without human intervention.
What you can do
- Real-time Verification — Instantly check if an email address is valid, risky, or invalid before sending
- Batch Processing — Upload large lists of emails for asynchronous validation and track their progress
- Results Ingestion — Retrieve detailed status reports for completed batches, including reason codes for invalid emails
- History Oversight — List all recent verification batches and retrieve their technical metadata
- Account Auditing — Monitor your authenticated user details and remaining verification credits
The MailerCheck MCP Server exposes 5 tools through the Vinkius. Connect it to Claude Code in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect MailerCheck to Claude Code via MCP
Follow these steps to integrate the MailerCheck MCP Server with Claude Code.
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
Add the MCP Server
Run the command above in your terminal
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
Start using MailerCheck
Ask Claude: "Using MailerCheck, show me...". 5 tools are ready
Why Use Claude Code with the MailerCheck MCP Server
Claude Code provides unique advantages when paired with MailerCheck through the Model Context Protocol.
Single-command setup: `claude mcp add` registers the server instantly. no config files to edit or applications to restart
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
Claude Code runs headlessly, enabling unattended batch processing using MailerCheck tools in cron jobs or deployment scripts
Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
MailerCheck + Claude Code Use Cases
Practical scenarios where Claude Code combined with the MailerCheck MCP Server delivers measurable value.
CI/CD integration: embed MailerCheck tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping
Headless batch processing: schedule Claude Code to query MailerCheck nightly and generate reports without human intervention
Shell scripting: pipe MailerCheck outputs into other CLI tools for data transformation, filtering, and aggregation
Infrastructure monitoring: run Claude Code in a cron job to query MailerCheck status endpoints and alert on anomalies
MailerCheck MCP Tools for Claude Code (5)
These 5 tools become available when you connect MailerCheck to Claude Code via MCP:
create_verification_batch
Requires a name and a list of emails. Upload a list of emails for batch verification
get_account_info
Get account details and credit balance
get_batch_results
Retrieve the results for a specific batch
list_verification_batches
List all recent verification batches
verify_single_email
Requires an email string. Verify a single email address in real-time
Example Prompts for MailerCheck in Claude Code
Ready-to-use prompts you can give your Claude Code agent to start working with MailerCheck immediately.
"Verify the email address 'user@example.com' in MailerCheck."
"List all my recent verification batches."
"Show valid emails for batch ID '123'."
Troubleshooting MailerCheck MCP Server with Claude Code
Common issues when connecting MailerCheck to Claude Code through the Vinkius, and how to resolve them.
Command not found: claude
npm install -g @anthropic-ai/claude-codeConnection timeout
MailerCheck + Claude Code FAQ
Common questions about integrating MailerCheck MCP Server with Claude Code.
How do I add an MCP server to Claude Code?
claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.Can Claude Code run MCP tools in headless mode?
How do I list all connected MCP servers?
claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.Connect MailerCheck with your favorite client
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Connect MailerCheck to Claude Code
Get your token, paste the configuration, and start using 5 tools in under 2 minutes. No API key management needed.