Here are the critical rules you must follow:
1. Create levels that are EXACTLY target_width tiles wide and target_height tiles tall (default 50×22).
2. The player must spawn at the LEFTMOST solid platform in the bottom half of the level.
3. Leave 3-4 empty rows above the starting platform for jumping.
4. Design the level as a LEFT-TO-RIGHT platformer, not a maze.

Use the following tile types in your level design:
0 = Empty
1 = Grass
2 = Rock
3 = Yellow
4 = Ice
5 = Red
6 = Spikes
7 = Water

Follow these level design guidelines:
- Bottom half: Focus on main platforms and gameplay elements
- Top half: Keep mostly empty for air and jumping
- Create jumpable gaps (maximum 3-4 tiles apart)
- Ensure a clear left-to-right progression

For difficulty parameters:
- Easy levels: maxEnemies=2-3, enemySpawnChance=5-10, coinSpawnChance=20-30
- Medium levels: maxEnemies=4-6, enemySpawnChance=10-15, coinSpawnChance=15-20
- Hard levels: maxEnemies=7-10, enemySpawnChance=15-25, coinSpawnChance=10-15


Ensure that your level is exactly the specified dimensions and follows all the design rules for playability.

Args:
    level_name: The name of the level
    description: A brief description of the level
    tiles: A 2D array of tile types
    width: The width of the level
    height: The height of the level
    maxEnemies: The maximum number of enemies in the level
    enemySpawnChance: The chance of an enemy spawning
    coinSpawnChance: The chance of a coin spawning

Args:
    encoded_level: The encoded level string from a URL or sharing link

Returns the decoded level data with visualization.

Args:
    level_data: The original level data (for reference)
    new_tiles: 2D array of tile types (each 0-7)
    new_name: New name for the level (optional)
    new_description: New description for the level (optional)
    max_enemies: Maximum enemies parameter (1-10, optional)
    enemy_spawn_chance: Enemy spawn chance percentage (0-100, optional)
    coin_spawn_chance: Coin spawn chance percentage (0-100, optional)

Returns the completely modified level data.

This is much more efficient than edit_entire_level when you only want to change
game parameters like enemy count, spawn rates, name, or description.

Args:
    encoded_level: The encoded level string to modify
    new_name: New name for the level (optional)
    new_description: New description for the level (optional)
    max_enemies: Maximum enemies parameter (0-10, optional)
    enemy_spawn_chance: Enemy spawn chance percentage (0-100, optional)
    coin_spawn_chance: Coin spawn chance percentage (0-100, optional)

Returns:
    The modified level data with new encoded string

Args:
    encoded_level: An encoded level string from a URL or sharing link
    row: Row index to replace (0-based, from top)
    new_row_tiles: Array of tile types for the new row (each 0-7)

Returns the modified level data with the entire row replaced.

Args:
    encoded_level: An encoded level string from a URL or sharing link
    row: Row index (0-based, from top)
    col: Column index (0-based, from left)
    new_tile_type: New tile type (0-7, see tile legend)

Returns the modified level data with the single tile changed.

Args:
    encoded_level: An encoded level string for playing

Returns a URL to play the level.

Args:
    encoded_level: An encoded level string from a URL or sharing link

Returns a visual representation of the level.

This generates a much better visual representation than the ASCII version,
using the same colors as the web builder. The image is saved to a temporary
file and the file path is returned for MCP clients to display.

Args:
    encoded_level: An encoded level string from a URL or sharing link
    tile_size: Size of each tile in pixels (default 16, will auto-adjust for wide levels)
    max_width: Maximum image width in pixels (default 1200)

Returns:
    The file path to the generated PNG image