Mbox MCP vs Gmail MCP

A side-by-side look at the Mbox MCP and Gmail MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Mbox MCP logoMbox MCPCommunication · Local subprocess (stdio)Search local email archives (.mbox/.eml) entirely on your machine. No OAuth, no cloud.56GoodAuth: not declaredGmail MCP logoGmail MCPCommunication · Local subprocess (stdio)Gmail MCP server — scope-gated tools + attachment/download path jails + supply-chain hardening. Fork of GongRzhe/Gmail-MCP-Server via ArtyMcLabin's intermediate fork.57GoodAuth: oauth 2.0

Verdict: choose Mbox MCP for communication work as a local process; choose Gmail MCP for communication as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Mbox MCP logoChoose Mbox MCP when

  • You need dedicated capabilities in the Communication domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like open_archive, search_messages, get_message.
Explore Mbox MCP

Gmail MCP logoChoose Gmail MCP when

  • You need dedicated capabilities in the Communication domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: OAuth 2.0.
  • You have the keys it needs: GMAIL_MCP_RECIPIENT_PAIRING.
Explore Gmail MCP

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMbox MCP logoMbox MCPGmail MCP logoGmail MCP
CategoryCommunicationCommunication
Quality signal56/100 · Good57/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredOAuth 2.0
PricingNot declaredFree
Required env varsNone listedGMAIL_MCP_RECIPIENT_PAIRING
Verified ownerCommunity listingCommunity listing
GitHub stars016
Directory activity 1 views 0 installs 0 upvotes 3 views 0 installs 0 upvotes
Tools3Not listed

Tools & capabilities

Mbox MCP tools 3

  • open_archiveIndex an .mbox file or .eml directory: message count, date range, top senders
  • search_messagesSearch by keyword, sender, subject, date range — plus bounded body-text search
  • get_messageFully parse one message: decoded body, headers, attachment names/sizes

Gmail MCP tools

No tool names declared yet. Check the project README from the listing page.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Mbox MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "mbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mbox-mcp"
      ]
    }
  }
}

Gmail MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "klodr-gmail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@klodr/gmail-mcp"
      ],
      "env": {
        "GMAIL_MCP_RECIPIENT_PAIRING": "YOUR_GMAIL_MCP_RECIPIENT_PAIRING_HERE"
      }
    }
  }
}

Frequently asked questions

Mbox MCP is categorized under Communication and uses a local stdio subprocess. Gmail MCP belongs to Communication and uses a local stdio subprocess. Pick Mbox MCP for communication work and Gmail MCP for communication.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Mbox MCP has no declared pricing — check the project's own site. Gmail MCP is listed as free. Auth: oauth 2.0. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add mbox-mcp and klodr-gmail-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Mbox MCP has a quality signal of 56/100 (Good) with 1 views, 0 installs and 0 GitHub stars. Gmail MCP has 57/100 (Good) with 3 views, 0 installs and 16 GitHub stars.