MailVeri MCP

Verify emails from Claude, Cursor and other AI agents: SMTP, catch-all, disposable and role detection.

Install Command

uvx --from git+https://github.com/mailveri/mailveri-mcp mailveri-mcp

Claude Desktop Config

{"mcpServers":{"mailveri":{"command":"uvx","args":["--from","git+https://github.com/mailveri/mailveri-mcp","mailveri-mcp"],"env":{"MAILVERI_API_KEY":"your-api-key"}}}}

MailVeri MCP is a community MCP server that connects AI assistants like Claude to verify emails from claude, cursor and other ai agents: smtp, catch-all, disposable and role detection. It runs locally on your machine, keeping your data private and giving you full control over the connection. It bridges the gap between Claude and your existing services without any custom integration code.

About MailVeri MCP

MailVeri MCP is an open-source (MIT) FastMCP server that lets AI assistants such as Claude Desktop, Claude Code, Cursor, Windsurf, Codex and VS Code/Cline verify emails directly. Tools: mailveri_verify_email, mailveri_verify_batch, mailveri_get_batch_status, mailveri_download_batch_result, mailveri_get_balance and mailveri_delete_batch. Each address gets deep SMTP verification plus catch-all, disposable and role-account detection, without ever sending an email. Run it with: uvx --from git+https://github.com/mailveri/mailveri-mcp mailveri-mcp (stdio or SSE) and set the MAILVERI_API_KEY environment variable. Pay-as-you-go credits from $9 per 10,000, no subscription, and 1,000 free credits on signup with no card required.

Who Should Use MailVeri MCP?

1Compose and manage emails with AI-drafted content
2Connect Claude to third-party APIs without writing glue code
3Automate workflows that span multiple services and platforms
4Trigger webhooks and API calls from natural-language instructions

How to Install MailVeri MCP

Before you start

You will need Python 3.10+ and the uv package manager — install uv with `pip install uv`.

1Ensure `uv` is installed, then run the command above in your terminal.
2Add the server to your Claude Desktop config and restart the app.

The Claude Desktop config snippet above can be copied and pasted directly into your claude_desktop_config.json file — no editing required.

How MailVeri MCP Compares

✦It runs entirely on your local machine, so no data leaves your environment — important for teams with privacy or compliance requirements.

✦Compared to other APIs & Integrations MCP servers, it focuses on a well-scoped set of capabilities, which keeps the integration lightweight and predictable.