MCP Stock Market

# CLAUDE.md - MCP Stock Market Project Guide ## Build Commands - Build project: `npm run build` - Run app: `node ./build/index.js` ## Project Structure - TypeScript-based MCP (Model Context Protocol) server - ES modules (type: "module" in package.json) - Source in src/ directory, output in build/ ## Code Style Guidelines - **Imports**: Use ES module imports with .js extension for Node compatibility - **Types**: Use TypeScript interfaces for complex types, zod for schema validation - **Error Handling**: Use try/catch with specific error messages - **Naming**: - camelCase for variables/functions - PascalCase for interfaces/types - ALL_CAPS for constants - **Formatting**: - 4-space indentation - Semicolons required - **API Calls**: Wrap in helper functions with proper error handling - **Response Formatting**: Use consistent structure with proper null checks ## Dependencies - @modelcontextprotocol/sdk: Core MCP functionality - zod: Schema validation