SMTP

latest · 0.2.0

MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

GitHub: ni-c/smtp-mcp
Homepage: smtp-mcp.ni-c.de
MCP registry: io.github.ni-c/smtp-mcp

Install

Needs env vars: SMTP_HOST, SMTP_USER, SMTP_PASSWORD, SMTP_FROM — replace the <placeholders> with your values.

claude mcp add io-github-ni-c-smtp-mcp --env SMTP_HOST=<SMTP_HOST> --env SMTP_USER=<SMTP_USER> --env SMTP_PASSWORD=<SMTP_PASSWORD> --env SMTP_FROM=<SMTP_FROM> -- npx @ni-c/smtp-mcp

/mcp confirms it's connected.

Install

Or add it manually in ~/.cursor/mcp.json:

{
  "mcpServers": {
    "io-github-ni-c-smtp-mcp": {
      "command": "npx",
      "args": [
        "@ni-c/smtp-mcp"
      ],
      "env": {
        "SMTP_HOST": "<SMTP_HOST>",
        "SMTP_USER": "<SMTP_USER>",
        "SMTP_PASSWORD": "<SMTP_PASSWORD>",
        "SMTP_FROM": "<SMTP_FROM>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "io-github-ni-c-smtp-mcp": {
      "command": "npx",
      "args": [
        "@ni-c/smtp-mcp"
      ],
      "env": {
        "SMTP_HOST": "<SMTP_HOST>",
        "SMTP_USER": "<SMTP_USER>",
        "SMTP_PASSWORD": "<SMTP_PASSWORD>",
        "SMTP_FROM": "<SMTP_FROM>"
      }
    }
  }
}

Config entry, any MCP client:

{
  "command": "npx",
  "args": [
    "@ni-c/smtp-mcp"
  ],
  "env": {
    "SMTP_HOST": "<SMTP_HOST>",
    "SMTP_USER": "<SMTP_USER>",
    "SMTP_PASSWORD": "<SMTP_PASSWORD>",
    "SMTP_FROM": "<SMTP_FROM>"
  }
}

Community score

Community33/ 100

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Web signals (ecosystem baseline)33/100 · 100% of the weight

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What the web says

Ecosystem baseline33/ 100

Objective public usage & activity (formula v3) — the community score's web-signals input, and its own sort.

GitHubsource ↗

GitHub stars · 25 days ago: ★ 0
Last commit · 25 days ago: today

Packages

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Listed on

Glama · 2 days ago: Listed · Glama quality score 4.7 ↗

Mentions

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Docs & livenesssource ↗

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Version history1

0.2.0release date unknown

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Details

Transport: stdio
Status: listed
Source: Imported from the MCP registry
Repository: source ↗
Homepage: site ↗