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World Anvil MCP Server

by datagen24
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Python
Remote

World Anvil MCP Server

MCP (Model Context Protocol) server for interfacing with World Anvil API to assist with D&D world development.

Overview

This MCP server bridges Claude Code with the World Anvil platform, enabling AI-assisted worldbuilding through structured tools, resources, and prompts. Designed specifically for D&D campaign management and creative writing.

Features

  • Content Management: Articles, blocks, categories, manuscripts

  • Map Integration: Interactive maps with markers and layers

  • Campaign Tools: RPG systems, timelines, session notes

  • D&D Assistance: NPC generation, location design, quest tracking

  • Notebook System: Organized notes and documentation

Prerequisites

  • Python 3.11+

  • uv (fast Python package manager) ā€” https://docs.astral.sh/uv/

  • World Anvil account with Grandmaster guild membership

  • World Anvil API application key

  • World Anvil user authentication token

Installation

# Clone repository and enter it cd world-anvil # Recommended: create a local virtualenv with uv uv venv --python 3.11 .venv # Activate the environment # macOS/Linux source .venv/bin/activate # Windows (PowerShell) .venv\\Scripts\\Activate.ps1 # Install dependencies (dev extras optional) uv pip install -e .[dev] # Tip: you can also run without activating via uv uv run world-anvil-mcp

Without uv:

python -m venv .venv source .venv/bin/activate # Windows: .venv\Scripts\Activate.ps1 pip install -e .[dev]

Configuration

Create a .env file:

WORLD_ANVIL_APP_KEY=your_application_key_here WORLD_ANVIL_USER_TOKEN=your_user_token_here

Usage

Running the Server

# Start MCP server with stdio transport world-anvil-mcp # Or run directly with Python python -m world_anvil_mcp.server

With Claude Code

Add to your MCP settings:

{ "mcpServers": { "world-anvil": { "command": "world-anvil-mcp" } } }

Documentation

Project Status

šŸš§ In Development ā€” Phase 0.4 (Early Implementation)

  • Architecture and specifications drafted; initial server scaffolding in place.

  • Quality gates configured (ruff, mypy, pytest); tests being added.

  • See docs/PHASE_0_STATUS.md for detailed phase tracking and milestones.

License

BSD 3-Clause License ā€” See LICENSE file for details

Resources

This server cannot be installed

-
security - not tested
A
license - permissive license
-
quality - not tested

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