Sendsoon MCP Server

Send email, look up public IP information, and convert files to Markdown through SendSoon.

People who work with codex, email and sendsoon and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-27 · ★ 6 · #21 OF 90 MAINTAINED EMAIL · VERIFIED 2026-09-18

MIT · TypeScript servers · how we verify → /methodology

01 · Install Sendsoon MCP Server

before you install - you'll need

SENDSOON_API_KEY

Environment variables documented in the project's README - it lists which are required and which have defaults.

Claude Code

claude mcp add sendsoon-mcp -- npx -y @sendsoon/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "sendsoon-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@sendsoon/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

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

license MIT - declared in the repository

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

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

03 · Who maintains Sendsoon MCP Server

mcp is maintained by sendsoon. We track 2 MCP servers from sendsoon - 2 actively maintained, 12 combined GitHub stars, oldest repo from Jul 2026. Full record: all servers from sendsoon.

  1. ai Send email, look up public IP information, and convert files to Markdown through SendSoon. ★ 6

04 · Facts

category
email - ranked #21 of 90 actively-maintained email servers as of 2026-09-18.
registry
io.github.sendsoon/mcp (active, first published 2026-08-27 · 3 versions)
packages
npm:@sendsoon/mcp · pypi:sendsoon-mcp

05 · Sendsoon MCP Server FAQ

What is Sendsoon MCP Server?

Send email, look up public IP information, and convert files to Markdown through SendSoon.

Is Sendsoon MCP Server still maintained?

Yes - as of 2026-09-18, its last commit was 2026-08-27. We re-verify nightly.

How do I install Sendsoon MCP Server?

Run `npx -y @sendsoon/mcp`. The README documents one environment variable (SENDSOON_API_KEY) to set first. You can also paste the ready-made client config above.

Does Sendsoon MCP Server run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

06 · Alternatives to Sendsoon MCP Server