MapleStory MCP Server

An MCP (Model Context Protocol) server that wraps the Nexon MapleStory OpenAPI, allowing AI assistants to query MapleStory game data including character info, rankings, union, guild, and more.

Features

• Character - Basic info, stats, equipment, skills, V/HEXA matrix, Dojang records
• Union - Union level, raider layout, artifact info
• Guild - Guild search and basic info
• Ranking - Overall, union, guild, Dojang, The Seed, achievement rankings
• History - Starforce, cube, potential re-roll history
• Notice - Official notices, updates, events, cash shop notices

Prerequisites

• Python 3.13+
• uv package manager
• MapleStory API key from Nexon OpenAPI

Installation

# Clone the repository
git clone https://github.com/kcw2034/maplestory-mcp-server.git
cd maplestory-mcp-server

# Install dependencies
uv sync

Configuration

Create a .env file in the project root:

MAPLESTORY_API_KEY=your_api_key_here

You can get an API key by registering an app at Nexon OpenAPI.

Usage

Running the server

uv run server.py

Claude Desktop configuration

Add this to your Claude Desktop config (claude_desktop_config.json):

{
  "mcpServers": {
    "maplestory": {
      "command": "uv",
      "args": ["run", "server.py"],
      "cwd": "/path/to/maplestory-mcp-server",
      "env": {
        "MAPLESTORY_API_KEY": "your_api_key_here"
      }
    }
  }
}

Available Tools

Category	Tool	Description
Character	get_character_ocid	Look up character OCID by name
Character	get_character_basic	Basic info (level, class, world, guild)
Character	get_character_stat	Combined stats (STR, DEX, combat power)
Character	get_character_item_equipment	Equipped items
Character	get_character_skill	Skill info by grade
Character	get_character_hexamatrix	HEXA matrix (6th job skills)
Union	get_union	Union level and grade
Union	get_union_raider	Union raider layout and effects
Guild	get_guild_id	Look up guild ID by name and world
Guild	get_guild_basic	Guild basic info
Ranking	get_ranking_overall	Overall ranking
Ranking	get_ranking_dojang	Mu Lung Dojang ranking
History	get_history_starforce	Starforce enhancement history
Notice	get_notices	Official notice list

See server.py for the full list of 30+ tools.

License

MIT