Sendsoon MCP Server

by sendsoonio.github.sendsoon/mcpv0.3.8

MCP server for SendSoon: send email, look up public IP information, and convert files to Markdown from Codex and Claude.

6Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Maintained43d ago

Install Sendsoon MCP server

claude mcp add sendsoon -e SENDSOON_API_KEY='<sendsoon-api-key>' -- npx -y @sendsoon/mcp

{
  "mcpServers": {
    "sendsoon": {
      "command": "npx",
      "args": [
        "-y",
        "@sendsoon/mcp"
      ],
      "env": {
        "SENDSOON_API_KEY": "<sendsoon-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "sendsoon": {
      "command": "npx",
      "args": [
        "-y",
        "@sendsoon/mcp"
      ],
      "env": {
        "SENDSOON_API_KEY": "<sendsoon-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "sendsoon": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@sendsoon/mcp"
      ],
      "env": {
        "SENDSOON_API_KEY": "<sendsoon-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "sendsoon": {
      "command": "npx",
      "args": [
        "-y",
        "@sendsoon/mcp"
      ],
      "env": {
        "SENDSOON_API_KEY": "<sendsoon-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
SENDSOON_API_KEY	—	yes	SendSoon API Key (ssk_live_...). Leave empty for the anonymous trial of three sends per public IP per day.

Freshness

Maintained — last maintenance signal 43d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-08-27 · 43d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-27 · 43d ago · official registry · v0.3.8

FAQ

›How do I install the Sendsoon MCP server in Claude Code?

Run: claude mcp add sendsoon -e SENDSOON_API_KEY='<sendsoon-api-key>' -- npx -y @sendsoon/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Sendsoon require an API key?

Yes. It expects SENDSOON_API_KEY, of which 1 is a secret.

›Can I use Sendsoon as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Sendsoon in the official MCP registry?

Yes, as io.github.sendsoon/mcp.