MCP server for Nexon MapleStory OpenAPI - character, rankings, union, guild, and notices
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.
# Clone the repository
git clone https://github.com/kcw2034/maplestory-mcp-server.git
cd maplestory-mcp-server
# Install dependencies
uv sync
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.
uv run server.py
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"
}
}
}
}
| 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.pyfor the full list of 30+ tools.
Source-derived launch command. Check the maintainer’s required arguments and credentials before running:
uvx maplestory-mcp-serverMerge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.
{
"mcpServers": {
"io-github-kcw2034-maplestory-mcp-server": {
"command": "uvx",
"args": [
"maplestory-mcp-server"
]
}
}
}Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.
Claude Desktop setup referencemaplestory-mcp-serverpypiio.github.kcw2034/maplestory-mcp-server works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.
~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.~/.cursor/mcp.jsonRestart Cursor for changes to take effect..vscode/mcp.jsonReload VS Code window for changes to take effect.~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect..mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.