How to integrate Dungeon fighter online MCP with Claude Code

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Introduction

Manage your Dungeon fighter online directly from Claude Code with zero worries about OAuth hassles, API-breaking issues, or reliability and security concerns.

You can do this in two different ways:

  1. Via Rube - Direct and easiest approach
  2. Via Composio SDK - Programmatic approach with more control

Why Rube?

Rube is a universal MCP server with access to 850+ SaaS apps. It ensures just-in-time tool loading so Claude can access the tools it needs, a remote workbench for programmatic tool calling and handling large tool responses out of the LLM context window, ensuring the LLM context window remains clean.

Connect Dungeon fighter online to Claude Code with Rube

1. Get the MCP URL

Copy and paste the below command in Claude Code to add Rube MCP.

Terminal

2. Authenticate Rube

Run /mcp to view Rube

bash
/mcp
Run /mcp to view Rube in Claude Code
Click on Rube to authenticate
Authentication flow complete

3. Ensure it's connected

Run /mcp again to verify the connection. Now, do whatever you want with Claude Code and Dungeon fighter online.

Rube connected successfully

Supported Tools & Triggers

Tools
Character Base InformationTool to retrieve base information of a specific character.
Character SearchTool to search for characters by name on a given server.
Get Character Skill Buff AvatarTool to fetch skill buff avatar equipment for a character.
Get Character Skill Buff StatusTool to fetch character's skill buff status information.
Character Status InfoTool to retrieve status information of a specific character.
Character TimelineTool to retrieve the timeline of a specific character.
Get Character Skill Buff EquipmentTool to retrieve skill buff equipment details for a character.
Get Server ListTool to retrieve the list of available game servers.

What is the Dungeon fighter online MCP server, and what's possible with it?

The Dungeon fighter online MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Dungeon Fighter Online account. It provides structured and secure access to your character and server data, so your agent can perform actions like searching for characters, retrieving character stats, checking equipment, and exploring timelines on your behalf.

  • Character search and discovery: Effortlessly search for characters by name on any available server or fetch detailed character lists.
  • Comprehensive character stats retrieval: Instantly pull base information and detailed status, including active buffs and skill information, for any character you own.
  • Equipment and avatar inspection: View your character's equipped items and inspect skill buff avatar gear to optimize your loadout.
  • Timeline and history tracking: Retrieve and review a character's timeline to see recent game activities and progression milestones.
  • Server information lookup: Quickly access the full list of available DFO servers to stay up to date with the game environment.

Connecting Dungeon fighter online via Tool Router

Tool Router is the underlying tech that powers Rube. It's a universal gateway that does everything Rube does but with much more programmatic control. You can programmatically generate an MCP URL with the app you need (here Dungeon fighter online) for even more tool search precision. It's secure and reliable.

How the Tool Router works

The Tool Router follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Prerequisites

Before starting, make sure you have:
  • Claude Pro, Max, or API billing enabled Anthropic account
  • Composio API Key
  • A Dungeon fighter online account
  • Basic knowledge of Python or TypeScript

Install Claude Code

bash
# macOS, Linux, WSL
curl -fsSL https://claude.ai/install.sh | bash

# Windows PowerShell
irm https://claude.ai/install.ps1 | iex

# Windows CMD
curl -fsSL https://claude.ai/install.cmd -o install.cmd && install.cmd && del install.cmd

To install Claude Code, use one of the following methods based on your operating system:

Set up Claude Code

bash
cd your-project-folder
claude

Open a terminal, go to your project folder, and start Claude Code:

  • Claude Code will open in your terminal
  • Follow the prompts to sign in with your Anthropic account
  • Complete the authentication flow
  • Once authenticated, you can start using Claude Code
Claude Code initial setup showing sign-in prompt
Claude Code terminal after successful login

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here

Create a .env file in your project root with the following variables:

  • COMPOSIO_API_KEY authenticates with Composio (get it from Composio dashboard)
  • USER_ID identifies the user for session management (use any unique identifier)

Install Composio library

pip install composio-core python-dotenv

Install the Composio Python library to create MCP sessions.

  • composio-core provides the core Composio functionality
  • python-dotenv loads environment variables from your .env file

Generate Composio MCP URL

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["dungeon_fighter_online"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http dungeon_fighter_online-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Create a script to generate a Composio MCP URL for Dungeon fighter online. This URL will be used to connect Claude Code to Dungeon fighter online.

What's happening:
  • We import the Composio client and load environment variables
  • Create a Composio instance with your API key
  • Call create() to create a Tool Router session for Dungeon fighter online
  • The returned mcp.url is the MCP server URL that Claude Code will use
  • The script prints this URL so you can copy it

Run the script and copy the MCP URL

python generate_mcp_url.py

Run your Python script to generate the MCP URL.

  • The script connects to Composio and creates a Tool Router session
  • It prints the MCP URL and the exact command you need to run
  • Copy the entire claude mcp add command from the output

Add Dungeon fighter online MCP to Claude Code

bash
claude mcp add --transport http dungeon_fighter_online-composio "YOUR_MCP_URL_HERE" --headers "X-API-Key:YOUR_COMPOSIO_API_KEY"

# Then restart Claude Code
exit
claude

In your terminal, add the MCP server using the command from the previous step. The command format is:

  • claude mcp add registers a new MCP server with Claude Code
  • --transport http specifies that this is an HTTP-based MCP server
  • The server name (dungeon_fighter_online-composio) is how you'll reference it
  • The URL points to your Composio Tool Router session
  • --headers includes your Composio API key for authentication

After running the command, close the current Claude Code session and start a new one for the changes to take effect.

Verify the installation

bash
claude mcp list

Check that your Dungeon fighter online MCP server is properly configured.

  • This command lists all MCP servers registered with Claude Code
  • You should see your dungeon_fighter_online-composio entry in the list
  • This confirms that Claude Code can now access Dungeon fighter online tools

If everything is wired up, you should see your dungeon_fighter_online-composio entry listed:

Claude Code MCP list showing the toolkit MCP server

Authenticate Dungeon fighter online

The first time you try to use Dungeon fighter online tools, you'll be prompted to authenticate.

  • Claude Code will detect that you need to authenticate with Dungeon fighter online
  • It will show you an authentication link
  • Open the link in your browser (or copy/paste it)
  • Complete the Dungeon fighter online authorization flow
  • Return to the terminal and start using Dungeon fighter online through Claude Code

Once authenticated, you can ask Claude Code to perform Dungeon fighter online operations in natural language. For example:

  • "Show all servers available this week"
  • "Find characters named Arin on Cain server"
  • "Get latest status info for my character"

Complete Code

Here's the complete code to get you started with Dungeon fighter online and Claude Code:

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["dungeon_fighter_online"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http dungeon_fighter_online-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Conclusion

You've successfully integrated Dungeon fighter online with Claude Code using Composio's MCP server. Now you can interact with Dungeon fighter online directly from your terminal using natural language commands.

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for Dungeon fighter online operations
  • Secure authentication through Composio's managed MCP
  • Tool Router for dynamic tool discovery and execution

Next steps:

  • Try asking Claude Code to perform various Dungeon fighter online operations
  • Add more toolkits to your Tool Router session for multi-app workflows
  • Integrate this setup into your development workflow for increased productivity

You can extend this by adding more toolkits, implementing custom workflows, or building automation scripts that leverage Claude Code's capabilities.

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FAQ

What are the differences in Tool Router MCP and Dungeon fighter online MCP?

With a standalone Dungeon fighter online MCP server, the agents and LLMs can only access a fixed set of Dungeon fighter online tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Dungeon fighter online and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Claude Code?

Yes, you can. Claude Code fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Dungeon fighter online tools.

Can I manage the permissions and scopes for Dungeon fighter online while using Tool Router?

Yes, absolutely. You can configure which Dungeon fighter online scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Dungeon fighter online data and credentials are handled as safely as possible.

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