XTB MCP Server
by PhelanShao
README.md
# XTB MCP Server / XTB MCP 服务器
[English](#english) | [中文](#中文)
---
## English
### Overview
The XTB MCP Server is a Model Context Protocol (MCP) server that provides comprehensive tools for generating Extended Tight-Binding (XTB) quantum chemistry calculation input files. This server integrates seamlessly with AI assistants like Claude, Cursor, and Windsurf to enable intelligent quantum chemistry workflow automation.
### Key Features
- **Complete XTB Input Generation**: Support for all major calculation types (singlepoint, optimization, frequency, scan, MD)
- **Multiple XTB Methods**: GFN0, GFN1, GFN2, and GFN-FF force field support
- **Structure Format Conversion**: XYZ ↔ COORD ↔ Gaussian format handling
- **Advanced Sampling Methods**: Metadynamics, pathfinder, normal mode following
- **Wavefunction Analysis**: Orbital analysis, population analysis, spectroscopy
- **ONIOM Calculations**: Multi-layer QM/MM calculations
- **Input Validation**: Comprehensive validation with detailed error reporting
- **Rich Documentation**: Extensive parameter documentation and examples
### Project Structure
```
xtb-mcp-server/
├── main.py # MCP server entry point
├── requirements.txt # Python dependencies
├── DEPLOYMENT_GUIDE.md # Deployment instructions
├── PROJECT_SUMMARY.md # Project overview
├── run_tests.py # Test runner
├── test_mcp_functionality.py # MCP functionality tests
├── final_validation.py # Final validation script
├── xtb_input_generator/ # Core generator module
│ ├── __init__.py
│ ├── generator.py # Main XTB input generator
│ └── structure_utils.py # Structure format utilities
├── resources/ # Template and documentation resources
│ ├── templates/ # XTB input templates
│ │ ├── singlepoint.xtb_tpl
│ │ ├── optimization.xtb_tpl
│ │ ├── frequency.xtb_tpl
│ │ ├── scan.xtb_tpl
│ │ ├── md.xtb_tpl
│ │ ├── sampling/ # Enhanced sampling templates
│ │ ├── wavefunction/ # Wavefunction analysis templates
│ │ └── advanced/ # Advanced calculation templates
│ ├── parameters/ # Method parameter documentation
│ │ ├── gfn0.md
│ │ ├── gfn1.md
│ │ └── gfn2.md
│ ├── formats/ # Input format specifications
│ │ └── input_spec.md
│ └── help/ # Help documentation
│ └── faq.md
└── tests/ # Comprehensive test suite
├── test_generator.py # Generator functionality tests
├── test_structure_utils.py # Structure utility tests
└── test_mcp_server.py # MCP server integration tests
```
### Installation
1. **Clone the repository:**
```bash
git clone <repository-url>
cd xtb-mcp-server
```
2. **Install dependencies:**
```bash
pip install -r requirements.txt
```
3. **Run tests to verify installation:**
```bash
python run_tests.py
```
### MCP Configuration
#### Claude Desktop
Add to your Claude Desktop configuration file (`claude_desktop_config.json`):
```json
{
"mcpServers": {
"xtb-mcp-server": {
"command": "python",
"args": ["path/to/xtb-mcp-server/main.py"],
"env": {}
}
}
}
```
#### Cursor
Add to your Cursor MCP configuration:
```json
{
"mcpServers": {
"xtb-mcp-server": {
"command": "python",
"args": ["path/to/xtb-mcp-server/main.py"]
}
}
}
```
#### Windsurf
Configure in Windsurf settings:
```json
{
"mcp": {
"servers": {
"xtb-mcp-server": {
"command": "python",
"args": ["path/to/xtb-mcp-server/main.py"]
}
}
}
}
```
### Usage Examples
#### Example 1: Basic Geometry Optimization
**User:** "Generate XTB input files for water molecule geometry optimization using GFN2 method"
**AI Assistant Response:**
```
I'll generate XTB input files for water molecule geometry optimization using the GFN2 method.
[Uses generate_xtb_input_package tool]
Generated files:
- structure.xyz: Water molecule coordinates
- xcontrol: Optimization settings with GFN2 method
- run_xtb.sh: Execution script
The optimization will use tight convergence criteria and the GFN2 method for accurate results.
```
#### Example 2: Frequency Calculation with Solvent
**User:** "I need to run a frequency calculation for benzene in toluene solvent. Can you set up the input files?"
**AI Assistant Response:**
```
I'll set up frequency calculation input files for benzene in toluene solvent.
[Uses generate_xtb_input_package tool with frequency calculation type and toluene solvent]
Generated files include:
- Benzene structure in XYZ format
- xcontrol file with frequency calculation settings
- Toluene solvent model (GBSA)
- Temperature set to 298.15 K
The calculation will provide vibrational frequencies and thermodynamic properties.
```
#### Example 3: Enhanced Sampling Setup
**User:** "Set up a metadynamics simulation for conformational sampling of a flexible molecule"
**AI Assistant Response:**
```
I'll configure a metadynamics simulation for conformational sampling.
[Uses generate_enhanced_sampling_input tool]
Generated metadynamics setup:
- Collective variables: dihedral angles
- Gaussian height: 0.1 kcal/mol
- Gaussian width: 0.2 radians
- Deposition frequency: every 100 steps
- Temperature: 300 K
This will efficiently explore the conformational space of your molecule.
```
#### Example 4: Structure Format Conversion
**User:** "Convert this Gaussian input to XYZ format for XTB calculations"
**AI Assistant Response:**
```
I'll convert your Gaussian input file to XYZ format for XTB calculations.
[Uses convert_structure_file_format tool]
Conversion successful:
- Extracted molecular geometry from Gaussian input
- Generated clean XYZ format
- Preserved atomic coordinates and elements
- Ready for XTB calculations
The converted structure is now compatible with all XTB calculation types.
```
### Available Tools
1. **generate_xtb_input_package**: Generate complete XTB input file packages
2. **convert_structure_file_format**: Convert between molecular structure formats
3. **validate_xtb_input_files**: Validate XTB input file syntax and parameters
4. **generate_xcontrol_file**: Generate XTB control files with specific settings
5. **explain_xtb_parameters**: Get detailed explanations of XTB parameters
6. **generate_enhanced_sampling_input**: Set up enhanced sampling calculations
7. **generate_wavefunction_analysis_input**: Configure wavefunction analysis
8. **generate_oniom_input**: Set up multi-layer ONIOM calculations
9. **generate_spectroscopy_input**: Configure spectroscopy calculations
10. **analyze_trajectory**: Analyze molecular dynamics trajectories
### Resources
The server provides access to extensive documentation and templates:
- **Templates**: Pre-configured input templates for all calculation types
- **Parameters**: Detailed documentation for GFN0, GFN1, and GFN2 methods
- **Formats**: Input format specifications and examples
- **Help**: FAQ and troubleshooting guides
---
## 中文
### 概述
XTB MCP 服务器是一个模型上下文协议(MCP)服务器,为生成扩展紧束缚(XTB)量子化学计算输入文件提供全面的工具。该服务器与 Claude、Cursor 和 Windsurf 等 AI 助手无缝集成,实现智能量子化学工作流自动化。
### 主要功能
- **完整的 XTB 输入生成**:支持所有主要计算类型(单点、优化、频率、扫描、分子动力学)
- **多种 XTB 方法**:支持 GFN0、GFN1、GFN2 和 GFN-FF 力场
- **结构格式转换**:XYZ ↔ COORD ↔ Gaussian 格式处理
- **高级采样方法**:元动力学、路径搜索、正常模式跟踪
- **波函数分析**:轨道分析、布居分析、光谱学
- **ONIOM 计算**:多层 QM/MM 计算
- **输入验证**:全面验证和详细错误报告
- **丰富文档**:广泛的参数文档和示例
### 项目结构
```
xtb-mcp-server/
├── main.py # MCP 服务器入口点
├── requirements.txt # Python 依赖
├── DEPLOYMENT_GUIDE.md # 部署指南
├── PROJECT_SUMMARY.md # 项目概述
├── run_tests.py # 测试运行器
├── test_mcp_functionality.py # MCP 功能测试
├── final_validation.py # 最终验证脚本
├── xtb_input_generator/ # 核心生成器模块
│ ├── __init__.py
│ ├── generator.py # 主要 XTB 输入生成器
│ └── structure_utils.py # 结构格式工具
├── resources/ # 模板和文档资源
│ ├── templates/ # XTB 输入模板
│ │ ├── singlepoint.xtb_tpl
│ │ ├── optimization.xtb_tpl
│ │ ├── frequency.xtb_tpl
│ │ ├── scan.xtb_tpl
│ │ ├── md.xtb_tpl
│ │ ├── sampling/ # 增强采样模板
│ │ ├── wavefunction/ # 波函数分析模板
│ │ └── advanced/ # 高级计算模板
│ ├── parameters/ # 方法参数文档
│ │ ├── gfn0.md
│ │ ├── gfn1.md
│ │ └── gfn2.md
│ ├── formats/ # 输入格式规范
│ │ └── input_spec.md
│ └── help/ # 帮助文档
│ └── faq.md
└── tests/ # 全面测试套件
├── test_generator.py # 生成器功能测试
├── test_structure_utils.py # 结构工具测试
└── test_mcp_server.py # MCP 服务器集成测试
```
### 安装
1. **克隆仓库:**
```bash
git clone <repository-url>
cd xtb-mcp-server
```
2. **安装依赖:**
```bash
pip install -r requirements.txt
```
3. **运行测试验证安装:**
```bash
python run_tests.py
```
### MCP 配置
#### Claude Desktop
在 Claude Desktop 配置文件(`claude_desktop_config.json`)中添加:
```json
{
"mcpServers": {
"xtb-mcp-server": {
"command": "python",
"args": ["path/to/xtb-mcp-server/main.py"],
"env": {}
}
}
}
```
#### Cursor
在 Cursor MCP 配置中添加:
```json
{
"mcpServers": {
"xtb-mcp-server": {
"command": "python",
"args": ["path/to/xtb-mcp-server/main.py"]
}
}
}
```
#### Windsurf
在 Windsurf 设置中配置:
```json
{
"mcp": {
"servers": {
"xtb-mcp-server": {
"command": "python",
"args": ["path/to/xtb-mcp-server/main.py"]
}
}
}
}
```
### 使用示例
#### 示例 1:基本几何优化
**用户:** "为水分子生成使用 GFN2 方法的几何优化 XTB 输入文件"
**AI 助手回应:**
```
我将为水分子生成使用 GFN2 方法的几何优化 XTB 输入文件。
[使用 generate_xtb_input_package 工具]
生成的文件:
- structure.xyz:水分子坐标
- xcontrol:使用 GFN2 方法的优化设置
- run_xtb.sh:执行脚本
优化将使用紧收敛标准和 GFN2 方法以获得准确结果。
```
#### 示例 2:溶剂中的频率计算
**用户:** "我需要在甲苯溶剂中对苯进行频率计算。你能设置输入文件吗?"
**AI 助手回应:**
```
我将为苯在甲苯溶剂中的频率计算设置输入文件。
[使用带有频率计算类型和甲苯溶剂的 generate_xtb_input_package 工具]
生成的文件包括:
- XYZ 格式的苯结构
- 带有频率计算设置的 xcontrol 文件
- 甲苯溶剂模型(GBSA)
- 温度设置为 298.15 K
计算将提供振动频率和热力学性质。
```
#### 示例 3:增强采样设置
**用户:** "为柔性分子的构象采样设置元动力学模拟"
**AI 助手回应:**
```
我将为构象采样配置元动力学模拟。
[使用 generate_enhanced_sampling_input 工具]
生成的元动力学设置:
- 集体变量:二面角
- 高斯高度:0.1 kcal/mol
- 高斯宽度:0.2 弧度
- 沉积频率:每 100 步
- 温度:300 K
这将有效探索分子的构象空间。
```
#### 示例 4:结构格式转换
**用户:** "将这个 Gaussian 输入转换为 XTB 计算的 XYZ 格式"
**AI 助手回应:**
```
我将把您的 Gaussian 输入文件转换为 XTB 计算的 XYZ 格式。
[使用 convert_structure_file_format 工具]
转换成功:
- 从 Gaussian 输入中提取分子几何
- 生成清洁的 XYZ 格式
- 保留原子坐标和元素
- 准备用于 XTB 计算
转换后的结构现在与所有 XTB 计算类型兼容。
```
### 可用工具
1. **generate_xtb_input_package**:生成完整的 XTB 输入文件包
2. **convert_structure_file_format**:在分子结构格式之间转换
3. **validate_xtb_input_files**:验证 XTB 输入文件语法和参数
4. **generate_xcontrol_file**:生成具有特定设置的 XTB 控制文件
5. **explain_xtb_parameters**:获取 XTB 参数的详细解释
6. **generate_enhanced_sampling_input**:设置增强采样计算
7. **generate_wavefunction_analysis_input**:配置波函数分析
8. **generate_oniom_input**:设置多层 ONIOM 计算
9. **generate_spectroscopy_input**:配置光谱学计算
10. **analyze_trajectory**:分析分子动力学轨迹
### 资源
服务器提供对广泛文档和模板的访问:
- **模板**:所有计算类型的预配置输入模板
- **参数**:GFN0、GFN1 和 GFN2 方法的详细文档
- **格式**:输入格式规范和示例
- **帮助**:FAQ 和故障排除指南
### 许可证
本项目采用 MIT 许可证。
### 贡献
欢迎贡献!请提交 Pull Request 或创建 Issue 来报告错误或建议功能。
### 支持
如有问题或需要支持,请查看 `resources/help/faq.md` 或创建 Issue。This server cannot be deployed
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