# MCP Calculator Server - Complete Project
## π Project Overview
This is a complete, ready-to-use Model Context Protocol (MCP) server that provides calculator tools. The project includes comprehensive documentation covering every step from Python installation to running the server.
**Status:** β
Complete and ready to use
## π Project Contents
### Documentation Files (Read These First)
1. **README.md** (Primary Setup Guide) - 574 lines
- Complete installation instructions
- Every single step documented
- Python, pip, uv installation for Windows/macOS/Linux
- Virtual environment setup
- MCP SDK installation
- Server setup and testing
- 13 troubleshooting scenarios
- Start here for first-time setup
2. **QUICKSTART.md** (Quick Reference)
- 30-second setup for experienced users
- Common commands reference
- Quick troubleshooting
3. **FILE_REFERENCE.md** (Document Guide)
- Explains each file in the project
- Which document to read for different needs
- File organization
4. **SETUP_COMPLETE.md** (Completion Summary)
- What was created
- Features included
- Quick reference
### Code Files
5. **calculator_server.py** (The MCP Server)
- Complete MCP server implementation
- 4 tools: add, subtract, multiply, divide
- Proper type hints and documentation
- Error handling
- Ready to run immediately
### Configuration Files
6. **.gitignore** (Git Ignore)
- Configured to ignore .venv and other build artifacts
- Ready for version control
### Reference Files
7. **LLMknowledge.md** (MCP Documentation Reference)
- Original MCP documentation
- Concepts and learning materials
---
## π Quick Start
### For First-Time Users
1. **Open README.md** and follow Step 1 through Step 9
2. **Verify each step** using the provided commands
3. **Run the server** when instructed
4. **Test it** using MCP Inspector
### For Experienced Users
1. **Check QUICKSTART.md** for setup commands
2. **Run:** `uv venv && .\.venv\Scripts\Activate.ps1 && uv pip install "mcp[cli]" && python calculator_server.py`
3. **Test with MCP Inspector**
---
## π Documentation Structure
```
START HERE
β
README.md (Detailed step-by-step guide)
β
Follow Steps 1-9
β
Run the server
β
Test with MCP Inspector
β
DONE! Your server is running
```
---
## π οΈ What's Inside
### Calculator Tools
- `add(a: float, b: float) -> float` - Addition
- `subtract(a: float, b: float) -> float` - Subtraction
- `multiply(a: float, b: float) -> float` - Multiplication
- `divide(a: float, b: float) -> float` - Division (with error handling)
### Documentation Coverage
- β
Python installation (Windows, macOS, Linux)
- β
pip installation and verification
- β
uv installation and verification
- β
Virtual environment creation
- β
Virtual environment activation
- β
MCP SDK installation with CLI
- β
Server creation and testing
- β
Troubleshooting guide (13 scenarios)
- β
Integration with Claude Desktop
- β
Next steps for extending the server
---
## π How to Navigate
### "I'm starting fresh"
β Open **README.md** and start with Step 1
### "I need to refresh my memory"
β Check **QUICKSTART.md**
### "I need help with a problem"
β Go to **README.md#Troubleshooting**
### "I want to understand the project structure"
β Read **FILE_REFERENCE.md**
### "I want to modify the server"
β Edit **calculator_server.py** and refer to **LLMknowledge.md** for MCP concepts
### "I'm using version control"
β Use **`.gitignore`** - it's already configured
---
## β¨ Key Features
- **Complete**: Every step from Python installation to running the server
- **Detailed**: Over 850 lines of documentation
- **Cross-platform**: Instructions for Windows, macOS, and Linux
- **Verified**: Each step includes verification commands
- **Troubleshooting**: 13 common issues with solutions
- **Virtual Environment**: Uses modern uv package manager
- **MCP Compliant**: Uses the official mcp[cli] package
- **Well-Documented**: Comprehensive docstrings and comments
- **Error Handling**: Includes proper error handling (division by zero)
- **Ready to Extend**: Easy to add more tools
---
## π Checklist Before Starting
Before you begin, ensure you have:
- β A folder (already created - you're reading this!)
- β A code editor (VS Code, PyCharm, etc.)
- β Windows, macOS, or Linux
- β Administrator/sudo access
- β ~1 GB disk space for Python and packages
---
## π― Your Next Step
**Open README.md and follow Step 1**
The README is written as a step-by-step guide. Follow it from the top and you'll have a working MCP server in about 15-20 minutes.
---
## π File Quick Links
| Document | Purpose | Read When |
|----------|---------|-----------|
| **README.md** | Complete setup guide | Setting up for the first time |
| **QUICKSTART.md** | Quick reference | You've done this before |
| **calculator_server.py** | The server code | You want to understand/modify |
| **FILE_REFERENCE.md** | Document guide | You need to find something |
| **SETUP_COMPLETE.md** | Project summary | You want an overview |
| **.gitignore** | Git configuration | Using version control |
| **LLMknowledge.md** | MCP reference | Learning MCP concepts |
---
## π Learning Resources
After setup, learn more about MCP:
- [Model Context Protocol Documentation](https://modelcontextprotocol.io/)
- [MCP Python SDK](https://modelcontextprotocol.github.io/python-sdk/)
- [Official MCP Examples](https://github.com/modelcontextprotocol/python-sdk/tree/main/examples)
---
## π‘ Tips
1. **Always activate the virtual environment** before running the server
2. **Keep .venv folder locally** - don't commit it to git
3. **Use mcp dev** for development with auto-reload
4. **Refer to troubleshooting** if you hit issues
5. **Start simple** with the calculator, then extend it
---
**Ready to get started? Open README.md! π**
---
Generated: January 29, 2026
MCP SDK Version: v2 (pre-alpha)
Python Version Required: 3.11+