🎉 PROJECT COMPLETED - PRODUCTION READY 🎉

A comprehensive Model Context Protocol (MCP) server that integrates with the Cronlytic API to provide seamless cron job management through LLM applications like Claude Desktop.

Final Status: ✅ All 6 phases complete | 88/88 tests passing | Production documentation ready

The Cronlytic MCP Server enables AI agents and LLM applications to:

• 🔍 Health Check: Test connectivity and authentication with the Cronlytic API ✅
• 📊 Job Management: Create, read, update, and delete cron jobs ✅
• ⏯️ Job Control: Pause, resume, and monitor job execution ✅
• 📝 Logs & Monitoring: Access execution logs and performance metrics ✅
• 🤖 Smart Prompts: 18 comprehensive prompts for guided assistance ✅
• 📚 Resources: Dynamic job resources and cron templates ✅
• ⚡ Performance: Built-in monitoring and optimization ✅

🎯 Final Achievement Summary:

• ✅ Phase 1: Core infrastructure and authentication
• ✅ Phase 2: Basic CRUD operations (13 tests)
• ✅ Phase 3: Advanced job management (22 tests)
• ✅ Phase 4: Resources implementation (14 tests)
• ✅ Phase 5: Prompts & UX (39 tests)
• ✅ Phase 6: Testing & documentation (performance monitoring)

📊 Key Metrics:

• 88/88 Tests Passing (100% success rate)
• 18 Interactive Prompts (225% of original scope)
• 9 Comprehensive Tools (Full job lifecycle)
• Complete Documentation Suite (8 detailed guides)
• Production Ready (Multi-platform deployment support)

• Python 3.8 or higher
• Cronlytic account with API access

# Clone the repository git clone https://github.com/Cronlytic/cronlytic-mcp-server.git cd cronlytic-mcp-server # Run the setup script (creates venv and installs everything) ./setup_dev_env.sh # Activate the virtual environment source venv/bin/activate

# Clone the repository git clone https://github.com/Cronlytic/cronlytic-mcp-server.git cd cronlytic-mcp-server # Create virtual environment python3 -m venv venv source venv/bin/activate # Upgrade pip pip install --upgrade pip # Install dependencies pip install -r requirements.txt # Install development dependencies (optional) pip install -r requirements-dev.txt # Install in development mode pip install -e .

The server needs your Cronlytic API credentials to function. You can provide these in several ways:

export CRONLYTIC_API_KEY="your_api_key_here" export CRONLYTIC_USER_ID="your_user_id_here"

Create a configuration file at one of these locations:

• ./cronlytic_config.json (current directory)
• ~/.cronlytic/config.json (user home directory)
• /etc/cronlytic/config.json (system-wide)

{ "api_key": "your_cronlytic_api_key_here", "user_id": "your_cronlytic_user_id_here", "base_url": "https://api.cronlytic.com/prog", "timeout": 30, "max_retries": 3, "retry_delay": 1.0 }

python -m cronlytic_mcp_server.server --api-key "your_key" --user-id "your_id"

1. Log into your Cronlytic dashboard
2. Navigate to "API Keys" section
3. Click "Generate New API Key"
4. Copy your API key and User ID

# Basic usage (reads from environment variables or config file) python -m cronlytic_mcp_server.server # With command line arguments python -m cronlytic_mcp_server.server --api-key "your_key" --user-id "your_id" # With debug logging python -m cronlytic_mcp_server.server --debug # With custom config file python -m cronlytic_mcp_server.server --config /path/to/config.json

Test connectivity and authentication with the Cronlytic API:

# The health_check tool requires no parameters # It will test: # - API connectivity # - Authentication validity # - Response times # - Basic functionality

Example Output:

# Cronlytic API Health Check **Status:** ✅ Cronlytic API connection is healthy and working correctly **Timestamp:** 2025-01-27T10:30:00Z **Response Time:** 150 ms ## Connection Details - **Base URL:** https://api.cronlytic.com/prog - **Connectivity:** ✅ - **Authentication:** ✅ ## Job Information - **Job Count:** 3 - **Can List Jobs:** ✅ ## Performance - **Performance Rating:** Good ## Recommendations - 💡 Found 3 job(s). All systems appear to be working correctly. 

To use with Claude Desktop, add this to your claude_desktop_config.json:

{ "mcpServers": { "cronlytic": { "command": "python", "args": ["-m", "cronlytic_mcp_server.server"], "env": { "CRONLYTIC_API_KEY": "your_api_key_here", "CRONLYTIC_USER_ID": "your_user_id_here" } } } }

To run virtual environment of python

{ "mcpServers": { "cronlytic": { "command": "python", "args": ["-m", "src.server"], "cwd": "PATH/cronlytic-mcp-server", "env": { "VIRTUAL_ENV": "PATH/cronlytic-mcp-server/.venv", "PATH": "PATH/cronlytic-mcp-server/.venv/bin:${PATH}", "CRONLYTIC_API_KEY": "your_api_key_here", "CRONLYTIC_USER_ID": "your_user_id_here" } } } }

cronlytic-mcp-server/ ├── src/ │ ├── __init__.py # Package initialization │ ├── server.py # Main MCP server implementation │ ├── cronlytic_client.py # Cronlytic API client wrapper │ ├── tools/ # Tool implementations │ │ ├── __init__.py │ │ └── health_check.py # Health check tool │ ├── resources/ # Resource implementations (Phase 4) │ ├── prompts/ # Prompt implementations (Phase 5) │ └── utils/ # Utility modules │ ├── __init__.py │ ├── auth.py # Authentication handling │ ├── errors.py # Custom error classes │ └── validation.py # Input validation ├── tests/ # Test files (Phase 6) ├── config/ │ └── example_config.json # Example configuration ├── requirements.txt ├── pyproject.toml └── README.md 

# Activate virtual environment (if not already active) source venv/bin/activate # Install in development mode (if not already done) pip install -e . # Set environment variables for testing export CRONLYTIC_API_KEY="your_test_key" export CRONLYTIC_USER_ID="your_test_user_id" # Run with debug logging python -m cronlytic_mcp_server.server --debug # Run validation tests python validate_phase1.py # Format code (if you have development dependencies) black src/ ruff check src/ # Type checking mypy src/

# Install MCP Inspector npm install -g @modelcontextprotocol/inspector # Test the server mcp-inspector python -m cronlytic_mcp_server.server

The server provides comprehensive error handling:

• Authentication Errors: Clear guidance on credential issues
• Connection Errors: Network and connectivity diagnostics
• Validation Errors: Detailed field-by-field validation messages
• API Errors: Proper error codes and user-friendly messages
• Rate Limiting: Automatic retry with exponential backoff

Structured logging is provided at multiple levels:

# Normal operation 2025-01-27 10:30:00 - cronlytic_mcp_server.server - INFO - Cronlytic MCP Server initialized # Debug mode python -m cronlytic_mcp_server.server --debug

• create_job - Create new cron jobs
• list_jobs - List all user jobs
• get_job - Get specific job details
• update_job - Update existing jobs
• delete_job - Delete jobs permanently

• pause_job - Pause job execution
• resume_job - Resume paused jobs
• get_job_logs - Retrieve execution logs

• Dynamic job resources
• Cron template library
• Real-time resource updates

• Interactive job creation flows
• Monitoring and troubleshooting guidance
• User experience optimization

• Comprehensive test suite
• Performance optimization
• Complete documentation

This project follows a structured development approach with clearly defined phases. Each phase builds upon the previous one to ensure stability and maintainability.

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Add tests (Phase 6)
5. Submit a pull request

MIT License - see LICENSE file for details.

• Documentation: See docs/ directory for detailed specifications
• Issues: Report bugs and feature requests on GitHub
• API Reference: Check docs/cronlytic-API-specification.md

• Cronlytic - The cron job monitoring service
• Model Context Protocol - The open protocol for AI integration
• Claude Desktop - AI assistant with MCP support

Current Version: 0.1.0 Last Updated: Jun 2025