What is the key difference between Esim MCP and MCP Esim?

Esim MCP belongs to the Travel & Transportation category with local stdio execution, while MCP Esim belongs to the Travel & Transportation category with local stdio execution.

How do I install Esim MCP or MCP Esim 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 Esim MCP and MCP Esim free or paid?

Esim MCP operates under a Free / Open Source model (No auth required). MCP Esim operates under a Paid Service model (No auth required).

Which MCP server has more tools and community activity?

Esim MCP lists 7 tools with 1 views and 1 GitHub stars. MCP Esim lists 4 tools with 3 views and 0 GitHub stars.

Can I use both Esim MCP and MCP Esim 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

Esim MCP vs MCP Esim

In-depth architectural comparison of the Esim MCP and MCP Esim 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

Esim MCP

Travel & Transportation · Local stdio

Quality: 53/100 (Good) | Auth: No auth required

MCP Esim

Travel & Transportation · Local stdio

Quality: 53/100 (Good) | Auth: No auth required

Verdict Summary: Choose Esim MCP if you need specialized Travel & Transportation tools running via a local process. Choose MCP Esim if your workspace requires Travel & Transportation integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Esim MCP when:

You need dedicated capabilities in the Travel & Transportation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: CHEAPERESIM_API_BASE, CHEAPERESIM_API_TOKEN, CHEAPERESIM_TIMEOUT_MS.
Primary tools included: search_destinations, list_plans, plan_trip.

Explore Esim MCP Details

Choose MCP Esim when:

You need dedicated capabilities in the Travel & Transportation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Paid Service).
You have access to required keys: WCS_ESIM_API_BASE.
Primary tools included: esim_search_plans, esim_get_plan, esim_create_order.

Feature & Specification Comparison

Specification	Esim MCP Travel & Transportation	MCP Esim isabellaliebgott Travel & Transportation
Summary
Category & Scope	Travel & Transportation	Travel & Transportation
Quality signal

Tools & Capabilities Breakdown

Esim MCP Tools (7)

search_destinations

Find countries CheapereSIM sells eSIM plans for, by full or partial name.

list_plans

List eSIM plans for one country, cheapest first.

plan_trip

Work out the cheapest way to stay connected across several countries.

get_plan_coverage

List every country a regional or global plan covers.

list_popular_destinations

List the destinations travellers buy eSIMs for most often.

list_my_esims

List the eSIMs on the configured CheapereSIM account.

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).

Esim MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "esim-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "esim-mcp"
      ],
      "env": {
        "CHEAPERESIM_API_BASE": "YOUR_CHEAPERESIM_API_BASE_HERE",
        "CHEAPERESIM_API_TOKEN": "YOUR_CHEAPERESIM_API_TOKEN_HERE",
        "CHEAPERESIM_TIMEOUT_MS": "YOUR_CHEAPERESIM_TIMEOUT_MS_HERE"
      }
    }
  }
}

MCP Esim Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "isabellaliebgott-mcp-esim": {
      "command": "npx",
      "args": [
        "-y",
        "@worldcitisim/mcp-esim"
      ],
      "env": {
        "WCS_ESIM_API_BASE": "YOUR_WCS_ESIM_API_BASE_HERE"
      }
    }
  }
}

Frequently Asked Questions

Esim MCP is categorized under Travel & Transportation and uses a local stdio subprocess. In contrast, MCP Esim belongs to Travel & Transportation using local stdio subprocess. Select Esim MCP when you need capabilities focused on travel & transportation and MCP Esim when you require tools for travel & transportation.