# Fli (MCP server)

> 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 3,210 GitHub stars, is released under the MIT license and runs locally with uvx flights.

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.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/punitarani/fli |
| GitHub stars | 3,210 |
| License | MIT |
| Language | Python |
| Transport | stdio |
| Packages | pypi: flights |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Other |
| Latest release | fli-js-v0.0.4 (May 24, 2026) |
| Last commit | Sep 20, 2026 |

## Install

### Claude Desktop (claude_desktop_config.json)

```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

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

### Cursor (.cursor/mcp.json)

```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)

```json
{
  "servers": {
    "fli": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "flights"
      ]
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Tools

- `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

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