cwsi.net MCP MCP server

An official MCP server provided by cwsi.net that allows AI assistants to query airline fare class definitions, compare fares across carriers, and estimate frequent flyer miles and status credits earned based on ticket price and loyalty tier. It leverages the site's proprietary fare charts and mileage calculators without requiring user authentication or tracking conversations.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by TechXperts, LLC

MCP endpoint (Streamable HTTP)

https://mcp.cwsi.net/mcp

Vendor documentation

What you can do with it

Look up what a specific fare class letter earns for miles
Compare fare classes between different airlines
Estimate miles earned for a specific ticket price and status
List available fare classes for an airline

Tools advertised by the last live check:

get_fare_classes
compare_fare_classes
calculate_delta_miles
calculate_american_miles
calculate_united_miles
calculate_alaska_miles
calculate_southwest_points
calculate_jetblue_points

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http cwsi-net-mcp https://mcp.cwsi.net/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add cwsi-net-mcp --url https://mcp.cwsi.net/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable cwsi-net-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "cwsi-net-mcp": {
      "url": "https://mcp.cwsi.net/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "cwsi-net-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.cwsi.net/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start cwsi-net-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "cwsi-net-mcp": {
      "type": "http",
      "url": "https://mcp.cwsi.net/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http cwsi-net-mcp https://mcp.cwsi.net/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "cwsi-net-mcp": {
      "url": "https://mcp.cwsi.net/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "cwsi-net-mcp": {
      "serverUrl": "https://mcp.cwsi.net/mcp"
    }
  }
}

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