Tomba MCP Server

A Model Context Protocol (MCP) server for integrating with the Tomba.io API. This server provides comprehensive email discovery, verification, and enrichment capabilities through a standardized MCP interface.

People connecting email tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-07 · ★ 8 · #43 OF 75 MAINTAINED EMAIL · VERIFIED 2026-08-25

NOASSERTION · TypeScript servers · how we verify → /methodology

01 · Install Tomba MCP Server

before you install - you'll need

Set TOMBA_API_KEY, TOMBA_SECRET_KEY before connecting.

Claude Code

claude mcp add tomba-io-tomba-mcp-server --transport http https://mcp.tomba.io/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "tomba-io-tomba-mcp-server": {
      "url": "https://mcp.tomba.io/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://mcp.tomba.io/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to mcp.tomba.io

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license no standard license detected - usage rights unclear; check the repo before commercial use

npm package @tomba-io/tomba-mcp-server - published under the repo owner's npm scope (@tomba-io)

registry namespace io.github.tomba-io is GitHub-verified and matches the repo owner

03 · What Tomba MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v1.10.0 · 2026-08-07

v1.8.0 · 2026-04-02

v1.6.0 · 2026-03-10

04 · Who maintains Tomba MCP Server

Tomba MCP Server is maintained by tomba-io. It's the only MCP server we track from this author; the repo dates to Sep 2025.

05 · Facts

repository: github.com/tomba-io/tomba-mcp-server
website: https://tomba.io/
category: email - ranked #43 of 75 actively-maintained email servers as of 2026-08-25.
release cadence: 1 release in the last 90 days (latest 2026-08-07)
registry: io.github.tomba-io/tomba-mcp-server (active, first published 2026-08-07)
packages: npm:@tomba-io/tomba-mcp-server

06 · Tomba MCP Server FAQ

What is Tomba MCP Server?

Is Tomba MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-07 and it shipped 1 release in the last 90 days. We re-verify nightly.

How do I install Tomba MCP Server?

Run `npx -y @tomba-io/tomba-mcp-server`. The README documents 2 environment variables (TOMBA_API_KEY, TOMBA_SECRET_KEY) to set first. Set TOMBA_API_KEY, TOMBA_SECRET_KEY before connecting. You can also paste the ready-made client config above.

Does Tomba MCP Server require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to Tomba MCP Server

Alternatives to Tomba MCP Server

Maintained email servers if Tomba MCP Server isn't the fit.

More email MCP servers · Agent Email · Thunderbird CLI · Proofpoint · Launch Engine - Business Execution OS · Palmyr

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