typescript-mcp-server-generator

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SKILL.md About

---
name: typescript-mcp-server-generator
description: 'Generate a complete MCP server project in TypeScript with tools, resources, and proper configuration'
---

# Generate TypeScript MCP Server

Create a complete Model Context Protocol (MCP) server in TypeScript with the following specifications:

## Requirements

1. **Project Structure**: Create a new TypeScript/Node.js project with proper directory structure
2. **NPM Packages**: Include @modelcontextprotocol/sdk, zod@3, and either express (for HTTP) or stdio support
3. **TypeScript Configuration**: Proper tsconfig.json with ES modules support
4. **Server Type**: Choose between HTTP (with Streamable HTTP transport) or stdio-based server
5. **Tools**: Create at least one useful tool with proper schema validation
6. **Error Handling**: Include comprehensive error handling and validation

## Implementation Details

### Project Setup
- Initialize with `npm init` and create package.json
- Install dependencies: `@modelcontextprotocol/sdk`, `zod@3`, and transport-specific packages
- Configure TypeScript with ES modules: `"type": "module"` in package.json
- Add dev dependencies: `tsx` or `ts-node` for development
- Create proper .gitignore file

### Server Configuration
- Use `McpServer` class for high-level implementation
- Set server name and version
- Choose appropriate transport (StreamableHTTPServerTransport or StdioServerTransport)
- For HTTP: set up Express with proper middleware and error handling
- For stdio: use StdioServerTransport directly

### Tool Implementation
- Use `registerTool()` method with descriptive names
- Define schemas using zod for input and output validation
- Provide clear `title` and `description` fields
- Return both `content` and `structuredContent` in results
- Implement proper error handling with try-catch blocks
- Support async operations where appropriate

### Resource/Prompt Setup (Optional)
- Add resources using `registerResource()` with ResourceTemplate for dynamic URIs
- Add prompts using `registerPrompt()` with argument schemas
- Consider adding completion support for better UX

### Code Quality
- Use TypeScript for type safety
- Follow async/await patterns consistently
- Implement proper cleanup on transport close events
- Use environment variables for configuration
- Add inline comments for complex logic
- Structure code with clear separation of concerns

## Example Tool Types to Consider
- Data processing and transformation
- External API integrations
- File system operations (read, search, analyze)
- Database queries
- Text analysis or summarization (with sampling)
- System information retrieval

## Configuration Options
- **For HTTP Servers**: 
  - Port configuration via environment variables
  - CORS setup for browser clients
  - Session management (stateless vs stateful)
  - DNS rebinding protection for local servers
  
- **For stdio Servers**:
  - Proper stdin/stdout handling
  - Environment-based configuration
  - Process lifecycle management

## Testing Guidance
- Explain how to run the server (`npm start` or `npx tsx server.ts`)
- Provide MCP Inspector command: `npx @modelcontextprotocol/inspector`
- For HTTP servers, include connection URL: `http://localhost:PORT/mcp`
- Include example tool invocations
- Add troubleshooting tips for common issues

## Additional Features to Consider
- Sampling support for LLM-powered tools
- User input elicitation for interactive workflows
- Dynamic tool registration with enable/disable capabilities
- Notification debouncing for bulk updates
- Resource links for efficient data references

Generate a complete, production-ready MCP server with comprehensive documentation, type safety, and error handling.