COC MCP Server

What is COC MCP Server?

COC MCP Server is a tool server for Call of Cthulhu tabletop role-playing games, implemented using the Model Context Protocol (MCP). It provides a set of dice tools (d4, d6, d8, d10, d100) for rolling during COC sessions and uses the stdio transport mode.

How to use COC MCP Server?

Download the code, create a Python 3.8+ virtual environment, install dependencies from requirements.txt, then configure your MCP client with the command pointing to the virtual environment's Python executable and arguments pointing to the absolute path of src/server/main.py.

Key features of COC MCP Server

• Built with the FastMCP framework
• Supports d4, d6, d8, d10, and d100 dice tools
• Uses stdio transport mode
• Includes a simple test client
• Business logic separated from MCP server code

Use cases of COC MCP Server

• Rolling dice for Call of Cthulhu RPG sessions
• Integrating dice tools into MCP-compatible AI assistants
• Testing MCP server implementations with example dice tools

FAQ from COC MCP Server

What dice tools does the server provide?

The server provides d4, d6, d8, d10, and d100 dice rolling tools.

What are the system requirements?

Python 3.8 or higher and a virtual environment (venv) are required.

How do I configure the server in my MCP client?

Set the command to the Python executable path in your virtual environment and args to the absolute path of src/server/main.py.

Does the server support network transport?

No, it only supports stdio transport mode.

Is authentication or external data storage required?

No authentication or external data storage is mentioned; data stays local.