pip install sipap-mcp

pip install sipap-mcp[dev]

from sipap_mcp import MCPServer, mcp_tool

class WeatherMCP(MCPServer):
    """Weather data MCP server."""

    def __init__(self):
        super().__init__(name="weather-mcp", version="1.0.0")

    @mcp_tool(
        description="Get current weather for a location",
        input_schema={
            "type": "object",
            "properties": {
                "location": {"type": "string", "description": "City name"},
                "units": {
                    "type": "string",
                    "enum": ["celsius", "fahrenheit"],
                    "default": "celsius"
                }
            },
            "required": ["location"]
        }
    )
    def get_weather(self, location: str, units: str = "celsius") -> dict:
        """Get current weather conditions."""
        # Your implementation here
        return {
            "location": location,
            "temperature": 22 if units == "celsius" else 72,
            "units": units,
            "condition": "partly cloudy"
        }

from sipap_mcp.transport import create_lambda_handler
from sipap_mcp.auth import APIKeyAuth

# Create server instance
server = WeatherMCP()

# Configure authentication
auth = APIKeyAuth(api_keys=["your-api-key"])

# Create Lambda handler (entry point for AWS)
handler = create_lambda_handler(server, auth=auth)

from sipap_mcp.transport import create_http_app
import uvicorn

# Create server instance
server = WeatherMCP()

# Create FastAPI app
app = create_http_app(server, auth=auth)

# Run with uvicorn
if __name__ == "__main__":
    uvicorn.run(app, host="0.0.0.0", port=8000)

FROM python:3.12-slim
WORKDIR /app
COPY . .
RUN pip install sipap-mcp
CMD ["uvicorn", "your_module:app", "--host", "0.0.0.0", "--port", "8000"]

@mcp_tool(
    description="Description of what this tool does",
    input_schema={
        "type": "object",
        "properties": {
            "param": {"type": "string"}
        },
        "required": ["param"]
    }
)
def my_tool(self, param: str) -> dict:
    """Docstring for the tool."""
    return {"result": param}

from sipap_mcp.auth import NoAuth

auth = NoAuth()  # No authentication - use for local dev only

from sipap_mcp.auth import APIKeyAuth

auth = APIKeyAuth(api_keys=[
    "client-a-key",
    "client-b-key",
    "client-c-key"
])

from sipap_mcp.auth import SigV4Auth

auth = SigV4Auth(service="lambda", region="us-east-1")

import redis
from sipap_mcp.session import SessionManager

# Connect to Redis
redis_client = redis.Redis(host="localhost", port=6379)

# Create session manager
session_manager = SessionManager(
    redis_client=redis_client,
    ttl=3600  # 1 hour default
)

# Create session
session_id = session_manager.create_session(
    data={"user_id": "123", "preferences": {...}},
    ttl=1800  # 30 minutes custom TTL
)

# Retrieve session
session_data = session_manager.get_session(session_id)

# Update session
session_manager.update_session(session_id, updated_data)

# Extend TTL
session_manager.extend_ttl(session_id, ttl=7200)

class MyServer(MCPServer):
    def __init__(self):
        super().__init__(name="my-server", version="1.0.0")
        self.db_connection = None

    def _setup(self) -> None:
        """Called when entering context manager."""
        self.db_connection = connect_to_database()

    def _cleanup(self) -> None:
        """Called when exiting context manager."""
        if self.db_connection:
            self.db_connection.close()

with server:
    # Server is set up, resources initialized
    response = server.handle_request(request)
    # Cleanup happens automatically on exit

{
  "jsonrpc": "2.0",
  "id": "req-1",
  "method": "tools/list",
  "params": {}
}

{
  "jsonrpc": "2.0",
  "id": "req-1",
  "result": {
    "tools": [
      {
        "name": "get_weather",
        "description": "Get current weather for a location",
        "inputSchema": {
          "type": "object",
          "properties": {...},
          "required": [...]
        }
      }
    ]
  }
}

{
  "jsonrpc": "2.0",
  "id": "req-2",
  "method": "tools/call",
  "params": {
    "name": "get_weather",
    "arguments": {
      "location": "London",
      "units": "celsius"
    }
  }
}

{
  "jsonrpc": "2.0",
  "id": "req-2",
  "result": {
    "content": [{
      "type": "text",
      "text": "{\"location\": \"London\", \"temperature\": 15, ...}"
    }]
  }
}

{
  "jsonrpc": "2.0",
  "id": "req-3",
  "error": {
    "code": -32602,
    "message": "Invalid params: 'location' is required"
  }
}

python examples/01_basic_server.py
python examples/02_lambda_with_auth.py
python examples/03_http_with_sessions.py  # Requires Redis

sipap_mcp/
├── core/
│   ├── protocol.py       # JSON-RPC 2.0 implementation
│   └── server.py          # MCPServer base class
├── decorators/
│   └── tool.py            # @mcp_tool decorator & registry
├── transport/
│   ├── lambda_handler.py  # AWS Lambda adapter
│   └── http_handler.py    # FastAPI adapter
├── auth/
│   └── middleware.py      # Authentication strategies
├── session/
│   └── manager.py         # Redis session management
└── validation/
    └── schema.py          # JSON Schema validation

# Clone repository
git clone <repo-url>
cd sipap-mcp

# Create virtual environment
python3.12 -m venv .venv
source .venv/bin/activate

# Install in editable mode with dev dependencies
pip install -e ".[dev]"

# Run all tests
pytest

# Run with coverage
pytest --cov=src/sipap_mcp --cov-report=html

# Open coverage report
open htmlcov/index.html

# Type checking (strict mode)
mypy src/sipap_mcp --strict

# Linting
ruff check src/sipap_mcp tests/

# Auto-fix linting errors
ruff check --fix src/sipap_mcp tests/

# All gates at once
pytest && mypy src/sipap_mcp --strict && ruff check src/sipap_mcp tests/

# Build wheel and source distribution
python -m build

# Install built package
pip install dist/sipap_mcp-0.1.0-py3-none-any.whl

class MCPServer(name: str, version: str)

@mcp_tool(description: str, input_schema: dict)
def tool_function(self, **kwargs) -> dict:
    pass

class SessionManager(redis_client, ttl: int = 3600)

create_lambda_handler(server, auth=None) -> Callable
create_http_app(server, auth=None) -> FastAPI

def test_my_server():
    server = MyServer()

    # Test tool listing
    tools = server.list_tools()
    assert len(tools) > 0

    # Test tool execution
    request = {
        "jsonrpc": "2.0",
        "id": "1",
        "method": "tools/call",
        "params": {
            "name": "my_tool",
            "arguments": {"param": "value"}
        }
    }

    with server:
        response = server.handle_request(request)
        assert "result" in response

def test_lambda_handler():
    from sipap_mcp.transport import create_lambda_handler

    server = MyServer()
    handler = create_lambda_handler(server)

    event = {
        "headers": {},
        "body": json.dumps({
            "jsonrpc": "2.0",
            "id": "1",
            "method": "tools/list",
            "params": {}
        })
    }

    response = handler(event, {})
    assert response["statusCode"] == 200

# app.py
from sipap_mcp import MCPServer, mcp_tool
from sipap_mcp.transport import create_lambda_handler
from sipap_mcp.auth import APIKeyAuth
import os

class MyServer(MCPServer):
    # ... server definition ...

server = MyServer()
auth = APIKeyAuth(api_keys=os.getenv("API_KEYS", "").split(","))
handler = create_lambda_handler(server, auth=auth)

FROM python:3.12-slim

WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]

from sipap_mcp.transport import create_http_app
# ... server definition ...

app = create_http_app(server, auth=auth)

docker run -d -p 6379:6379 redis:7-alpine

# Problem
from sipap_mcp import MCPServer  # ImportError

# Solution
pip install sipap-mcp

# Check API key header name (must be X-API-Key)
headers = {"X-API-Key": "your-key"}  # Correct
headers = {"Api-Key": "your-key"}    # Wrong

# Sessions expire after TTL
session_manager.session_exists(session_id)  # Check first
session_manager.extend_ttl(session_id, 3600)  # Extend if needed

# Run mypy to catch type issues
mypy your_module.py --strict