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Writer MCP

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MCP server for writer

Writer MCP

A Model Context Protocol (MCP) server for managing character knowledge and relationships in creative writing projects.

Features

  • Character management with rich descriptions and metadata
  • Knowledge facts storage with semantic search capabilities
  • Character relationship tracking and analysis
  • AI-powered tag generation and relationship analysis
  • Vector embeddings for semantic search
  • PostgreSQL backend with connection pooling

Installation

# Clone the repository
git clone <repository-url>
cd writer-mcp

# Create virtual environment
python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

# Install dependencies
pip install -e .

Configuration

Copy .env.example to .env and configure your settings:

cp .env.example .env

Edit .env with your database and API credentials:

# Database Configuration
DATABASE_URL=postgresql://username:password@localhost:5432/writer_mcp
TEST_DATABASE_URL=postgresql://username:password@localhost:5432/writer_mcp_test

# OpenAI Configuration
OPENAI_API_KEY=your_openai_api_key_here
OPENAI_BASE_URL=https://api.openai.com/v1
CHAT_MODEL=gpt-4o-mini
EMBEDDING_MODEL=text-embedding-3-small

# Application Configuration
APP_NAME=Writer MCP
DEBUG_MODE=true

# Vector Configuration
VECTOR_DIMENSION=1536

# Search Configuration
DEFAULT_SEARCH_LIMIT=10
MAX_SEARCH_LIMIT=100

# MCP Server Configuration
MCP_SERVER_NAME=writer-mcp
MCP_SERVER_VERSION=1.0.0

Usage

启动服务器

# 初始化数据库（首次运行）
python scripts/init_db.py

# 启动MCP服务器
python run_server.py

可用工具

  1. create_character - 创建新角色
  2. search_characters - 搜索角色
  3. add_character_fact - 添加角色事实
  4. search_facts - 搜索事实
  5. generate_character_tags - 生成角色标签
  6. analyze_character_relationships - 分析角色关系

Development

# Install development dependencies
pip install -e ".[dev]"

# Run tests
pytest

# Start development server
python scripts/dev_server.py

Project Structure

writer-mcp/
├── src/writer_mcp/          # 主要源代码
│   ├── config.py            # 配置管理
│   ├── server.py            # MCP服务器
│   ├── database/            # 数据库相关
│   ├── schemas/             # 数据模型
│   ├── services/            # 业务逻辑
│   ├── tools/               # MCP工具定义
│   └── utils/               # 工具函数
├── scripts/                 # 脚本文件
├── tests/                   # 测试文件
├── run_server.py            # 服务器启动脚本
└── main.py                  # 主入口文件

License

MIT License - see LICENSE file for details.

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