Tableau MCP Server

# Phase 1 Implementation Log **Date**: November 18, 2025 **Phase**: Project Initialization **Status**: ✅ Complete --- ## Overview Phase 1 focused on setting up the foundational project structure, TypeScript configuration, and installing all required dependencies for the Tableau MCP Server. --- ## Actions Completed ### 1. Directory Structure Creation Created the following directory structure: ``` C:\Users\MomentumMedia\.cursor\agile\projects\tableau-mcp-project/ ├── src/ │ └── tools/ ``` **Status**: ✅ Complete --- ### 2. Package Configuration (`package.json`) **File**: `package.json` **Key Features**: - Package name: `tableau-mcp-server` - Version: 1.0.0 - Type: ESM modules (`"type": "module"`) - Node engine requirement: >=18.0.0 **Scripts Added**: - `npm run build` - Compile TypeScript to JavaScript - `npm run dev` - Development mode with hot reload (using tsx) - `npm run start` - Run production build - `npm run clean` - Remove build artifacts **Dependencies Installed** (Core): - `@modelcontextprotocol/sdk` (^1.0.4) - MCP Server SDK - `express` (^4.21.2) - HTTP server for SSE transport - `axios` (^1.7.9) - Tableau REST API client - `zod` (^3.24.1) - Parameter validation - `dotenv` (^16.4.7) - Environment variables **Dependencies Installed** (Dev): - `typescript` (^5.7.2) - TypeScript compiler - `tsx` (^4.19.2) - TypeScript execution with hot reload - `@types/node` (^22.10.1) - Node.js type definitions - `@types/express` (^5.0.0) - Express type definitions - `rimraf` (^6.0.1) - Cross-platform file deletion **Status**: ✅ Complete --- ### 3. TypeScript Configuration (`tsconfig.json`) **File**: `tsconfig.json` **Key Settings**: - Target: ES2022 - Module: ESNext - Module Resolution: bundler - Source directory: `./src` - Output directory: `./dist` - Strict mode: enabled - Source maps: enabled - Declaration files: enabled **Status**: ✅ Complete --- ### 4. Environment Configuration (`env.example`) **File**: `env.example` **Variables Defined**: - `TABLEAU_SERVER_URL` - Tableau server endpoint - `TABLEAU_SITE_ID` - Site identifier - `TABLEAU_TOKEN_NAME` - Personal Access Token name - `TABLEAU_TOKEN_VALUE` - Personal Access Token value - `MCP_API_KEY` - MCP server authentication key - `PORT` - Server port (default: 8080) - `TABLEAU_API_VERSION` - API version (default: 3.21) **Status**: ✅ Complete --- ### 5. Git Configuration (`.gitignore`) **File**: `.gitignore` **Ignored Items**: - `node_modules/` - Dependencies - `dist/` - Build output - `.env` files - Sensitive environment variables - Log files - IDE settings - OS-specific files **Status**: ✅ Complete --- ### 6. Type Definitions (`src/types.ts`) **File**: `src/types.ts` **Types Defined**: - `TableauConfig` - Tableau server configuration - `TableauAuthResponse` - Authentication response - `TableauWorkbook` - Workbook metadata - `TableauView` - View metadata - `TableauDataSource` - Data source metadata - `MCPConfig` - MCP server configuration - `ToolResponse<T>` - Generic tool response wrapper **Status**: ✅ Complete --- ### 7. Server Placeholder (`src/server.ts`) **File**: `src/server.ts` **Current Implementation**: - Express server initialization - Environment variable loading (dotenv) - Health check endpoint: `GET /health` - SSE endpoint placeholder: `GET /sse` - Server listening on configured PORT **Pending (Phase 3)**: - SSE transport implementation - API key authentication middleware - MCP tool registration - Full error handling and logging **Status**: ✅ Placeholder created --- ### 8. Tableau Client Placeholder (`src/tableau-client.ts`) **File**: `src/tableau-client.ts` **Current Implementation**: - `TableauClient` class structure - Axios instance configuration - Method stubs for: - `authenticate()` - PAT authentication - `listWorkbooks()` - List workbooks - `listViews()` - List views **Pending (Phase 2)**: - Full authentication implementation - All REST API method implementations - Cloud vs Server auto-detection - Error handling **Status**: ✅ Placeholder created --- ### 9. Tool Placeholders (`src/tools/`) **Files Created**: 1. `list-workbooks.ts` - List all workbooks 2. `list-views.ts` - List views in workbook 3. `query-view.ts` - Export view data 4. `refresh-extract.ts` - Trigger extract refresh 5. `search-content.ts` - Search Tableau content 6. `get-metadata.ts` - Get detailed metadata **Current Implementation**: - Tool name and description defined - Parameters and return types documented - Marked as TODO for Phase 4 **Status**: ✅ Placeholders created --- ### 10. Dockerfile (`Dockerfile`) **File**: `Dockerfile` **Configuration**: - Base image: `node:18-alpine` - Working directory: `/app` - Production dependencies only - TypeScript build step - Port 8080 exposed - Health check configured - Start command: `npm start` **Pending (Phase 6)**: - Testing with Cloud Run - Optimization for container size **Status**: ✅ Placeholder created --- ### 11. Documentation (`README.md`) **File**: `README.md` **Sections**: - Project status and current phase - Project structure - Development scripts - Environment configuration - Dependencies list - Links to log and pass-off files **Status**: ✅ Complete --- ### 12. Dependencies Installation **Command**: `npm install` **Result**: - 182 packages installed successfully - 0 vulnerabilities found - Installation time: ~11 seconds **Status**: ✅ Complete --- ## File Summary ### Created Files (13 total) 1. ✅ `package.json` 2. ✅ `tsconfig.json` 3. ✅ `env.example` 4. ✅ `.gitignore` 5. ✅ `Dockerfile` 6. ✅ `README.md` 7. ✅ `src/types.ts` 8. ✅ `src/server.ts` 9. ✅ `src/tableau-client.ts` 10. ✅ `src/tools/list-workbooks.ts` 11. ✅ `src/tools/list-views.ts` 12. ✅ `src/tools/query-view.ts` 13. ✅ `src/tools/refresh-extract.ts` 14. ✅ `src/tools/search-content.ts` 15. ✅ `src/tools/get-metadata.ts` ### Created Directories (2 total) 1. ✅ `tableau-mcp-project/` 2. ✅ `src/tools/` --- ## Verification Steps ### ✅ Project Structure ```powershell cd "C:\Users\MomentumMedia\.cursor\agile\projects\tableau-mcp-project" tree /F ``` ### ✅ Dependencies ```powershell npm list --depth=0 # Should show all installed packages ``` ### ✅ TypeScript Compilation ```powershell npm run build # Should compile without errors (placeholder files only) ``` ### ✅ Development Server ```powershell npm run dev # Should start server on port 8080 with hot reload ``` --- ## Known Issues / Notes 1. **Environment File**: `.env.example` was created as `env.example` due to gitignore rules blocking `.env` prefix files 2. **Placeholder Code**: All implementation files are placeholders with TODO comments for future phases 3. **No Tests**: Test framework will be added in Phase 8 --- ## Next Steps Proceed to **Phase 2: Tableau API Client Implementation** See `PASS_OFF.md` for detailed next steps. --- ## Time Tracking - **Start Time**: Initial project setup - **End Time**: Dependencies installed and verified - **Duration**: ~5 minutes - **Files Created**: 15 - **Lines of Code**: ~400 (including comments and placeholders) --- **Phase 1 Status**: ✅ **COMPLETE** **Ready for**: Phase 2 - Tableau API Client Implementation