What is the key difference between Joltsms MCP Server and Inbox Zero?

Joltsms MCP Server belongs to the Communication category with local stdio execution, while Inbox Zero belongs to the Communication category with local stdio execution.

How do I install Joltsms MCP Server or Inbox Zero in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Joltsms MCP Server and Inbox Zero free or paid?

Joltsms MCP Server operates under a Paid Service model (API Key required). Inbox Zero operates under a Freemium model (OAuth 2.0).

Which MCP server has more tools and community activity?

Joltsms MCP Server lists 10 tools with 2 views and 1 GitHub stars. Inbox Zero lists 6 tools with 1 views and 12,211 GitHub stars.

Can I use both Joltsms MCP Server and Inbox Zero together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Joltsms MCP Server vs Inbox Zero

In-depth architectural comparison of the Joltsms MCP Server and Inbox Zero MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Joltsms MCP Server

Communication · Local stdio

Quality: 55/100 (Good) | Auth: API Key required

Inbox Zero

Communication · Local stdio

Quality: 55/100 (Good) | Auth: OAuth 2.0

Verdict Summary: Choose Joltsms MCP Server if you need specialized Communication tools running via a local process. Choose Inbox Zero if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Joltsms MCP Server when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Paid Service).
You have access to required keys: JOLTSMS_API_KEY, JOLTSMS_API_URL.
Primary tools included: joltsms_list_numbers, joltsms_get_number, joltsms_update_number.

Explore Joltsms MCP Server Details

Choose Inbox Zero when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (Freemium).
You have access to required keys: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, MICROSOFT_CLIENT_ID, MICROSOFT_CLIENT_SECRET, GOOGLE_BASE_URL, MICROSOFT_BASE_URL.

Feature & Specification Comparison

Specification	Joltsms MCP Server rchanllc Communication	Inbox Zero elie222 Communication
Summary	Provision dedicated real-SIM US phone numbers, receive inbound SMS, poll for messages, and extract OTP codes. Built for AI agents automating phone verification across platforms.	An MCP server for Inbox Zero. Adds functionality on top of Gmail like finding out which emails you need to reply to or need to follow up on.
Category & Scope	Communication

Tools & Capabilities Breakdown

Joltsms MCP Server Tools (10)

joltsms_list_numbers

List active numbers with service labels, tags, and unread counts

joltsms_get_number

Full details for a single number

joltsms_update_number

Set service label, tags, or notes on a number

joltsms_provision_number

Rent a new dedicated real-SIM US number ($50/mo)

joltsms_release_number

Cancel/release a number at end of billing period

joltsms_list_messages

List recent SMS with parsed OTP codes

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Joltsms MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "rchanllc-joltsms-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@joltsms/mcp-server"
      ],
      "env": {
        "JOLTSMS_API_KEY": "YOUR_JOLTSMS_API_KEY_HERE",
        "JOLTSMS_API_URL": "YOUR_JOLTSMS_API_URL_HERE"
      }
    }
  }
}

Inbox Zero Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "elie222-inbox-zero": {
      "command": "npx",
      "args": [
        "-y",
        "@inbox-zero/cli"
      ],
      "env": {
        "GOOGLE_CLIENT_ID": "YOUR_GOOGLE_CLIENT_ID_HERE",
        "GOOGLE_CLIENT_SECRET": "YOUR_GOOGLE_CLIENT_SECRET_HERE",
        "MICROSOFT_CLIENT_ID": "YOUR_MICROSOFT_CLIENT_ID_HERE",
        "MICROSOFT_CLIENT_SECRET": "YOUR_MICROSOFT_CLIENT_SECRET_HERE",
        "GOOGLE_BASE_URL": "YOUR_GOOGLE_BASE_URL_HERE",
        "MICROSOFT_BASE_URL": "YOUR_MICROSOFT_BASE_URL_HERE"
      }
    }
  }
}

Frequently Asked Questions

Joltsms MCP Server is categorized under Communication and uses a local stdio subprocess. In contrast, Inbox Zero belongs to Communication using local stdio subprocess. Select Joltsms MCP Server when you need capabilities focused on communication and Inbox Zero when you require tools for communication.

More alternatives to Joltsms MCP Server More alternatives to Inbox Zero Communication category hub Canonical compare URL