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Fli

Fli is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Google Flights MCP, CLI and Python Library. It has 3,430 GitHub stars, is released under the MIT license and runs locally with uvx flights.

github.com/punitarani/fli (opens in a new tab)

Data as of from the GitHub API; description from the project's repository. Report an error

View on GitHub (opens in a new tab)

Install Fli

Generated from the server's published package. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "fli": {
      "command": "uvx",
      "args": [
        "flights"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio fli -- uvx flights

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "fli": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "flights"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "fli": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "flights"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Tools (27)

Parsed from the Tools section of the README; check the repository for the current list.

  • origin

    string

  • destination

    string

  • departure_date

    string

  • return_date

    string

  • cabin_class

    string

  • max_stops

    string

  • departure_window

    string

  • airlines

    list

  • exclude_airlines

    list

  • alliance

    list

  • exclude_alliance

    list

  • min_layover

    int

  • max_layover

    int

  • top_n

    int

  • currency

    string

  • language

    string

  • country

    string

  • sort_by

    string

  • passengers

    int

  • children

    int

  • infants_in_seat

    int

  • infants_on_lap

    int

  • start_date

    string

  • end_date

    string

  • trip_duration

    int

  • is_round_trip

    bool

  • sort_by_price

    bool

About Fli

A powerful Python library that provides programmatic access to Google Flights data with an elegant CLI interface. Search flights, find the best deals, and filter results with ease.

  • google-flights
  • flights-api
  • google-flights-api
  • api
  • mcp
  • mcp-server

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FAQ

Fli FAQ

Still curious? Email info@appsgit.com.

How do I install the Fli MCP server?

Add the command uvx flights to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Fli free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Fli actively maintained?

The most recent commit was on Sep 20, 2026. The latest release is fli-js-v0.0.4, published May 24, 2026. appsgit only lists MCP servers with a commit in the last six months.