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

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

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

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

Which MCP server has more tools and community activity?

MCP Esim lists 4 tools with 2 views and 0 GitHub stars. Airtreks MCP lists 11 tools with 2 views and 2 GitHub stars.

Can I use both MCP Esim and Airtreks MCP 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

MCP Esim vs Airtreks MCP

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

MCP Esim

Travel & Transportation · Local stdio

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

Airtreks MCP

Travel & Transportation · Local stdio

Quality: 64/100 (Good) | Auth: API Key required

Verdict Summary: Choose MCP Esim if you need specialized Travel & Transportation tools running via a local process. Choose Airtreks MCP 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 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).
Primary tools included: esim_search_plans, esim_get_plan, esim_create_order.

Explore MCP Esim Details

Choose Airtreks MCP when:

You need dedicated capabilities in the Travel & Transportation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
Primary tools included: plan_route, trip_idea_create, route_estimate.

Explore Airtreks MCP Details

Feature & Specification Comparison

Specification	MCP Esim isabellaliebgott Travel & Transportation	Airtreks MCP SEKeener Travel & Transportation
Summary	Travel eSIMs for 193 countries. Stripe + Bitcoin checkout. QR by email in 30s. No API key. Install: npx -y @worldcitisim/mcp-esim.	Complex multi-city flight routing intelligence. 7 tools: plan round-the-world trips across 60+ carriers, validate Star Alliance and oneworld alliance routings, get segment-by-segment carrier recommendations, identify surface sector savings, and hand off to human consultants. No API key needed (100 req/day free). Remote endpoint: https://mcp.airtreks.com/mcp
Category & Scope

Tools & Capabilities Breakdown

MCP Esim Tools (4)

esim_search_plans

Filter catalog by country / region / days / GB. Returns matching plans with their first 5 variations.

esim_get_plan

Fetch one plan by slug with all variations.

esim_create_order

Create a pending order. `payment_method: "stripe"` (default) returns a Stripe Checkout URL for the user to tap; `payment_method: "btc"` returns an on-chain `btc` block (address + amount + QR) to show the user directly. Both return an `order_token` for polling.

esim_check_order

Poll an order's status. Returns activation data (ICCID, QR URL) once payment clears.

Airtreks MCP Tools (11)

plan_route

The primary entry point for any multi-city trip. Give it your cities — it automatically evaluates Star Alliance RTW, oneworld RTW, AND custom mixed-carrier builds, then recommends the best approach. Handles direction detection, backtracking analysis, alliance feasibility, surface sectors, and carrier selection. The customer doesn't need to know if their trip is alliance or custom — this tool figures it out.

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).

MCP Esim Configuration

mcpServers (Claude Desktop / Cursor)

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

Airtreks MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "sekeener-airtreks-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "airtreks-mcp"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to MCP Esim More alternatives to Airtreks MCP Travel & Transportation category hub