"""
MCP server that provides current date information tools.
Exposes two tools: get_day_name and get_iso_date
"""
import asyncio
from datetime import datetime
from mcp.server import Server
from mcp.server.stdio import stdio_server
from mcp.types import Tool, TextContent
# Initialize MCP server
app = Server("date-mcp")
@app.list_tools()
async def list_tools() -> list[Tool]:
"""List available tools."""
return [
Tool(
name="get_day_name",
description="Get the name of the current day of the week",
inputSchema={
"type": "object",
"properties": {},
"required": []
}
),
Tool(
name="get_iso_date",
description="Get the current date in ISO 8601 format (YYYY-MM-DD)",
inputSchema={
"type": "object",
"properties": {},
"required": []
}
)
]
@app.call_tool()
async def call_tool(name: str, arguments: dict) -> list[TextContent]:
"""Handle tool calls."""
if name == "get_day_name":
day_name = datetime.now().strftime("%A")
return [TextContent(type="text", text=day_name)]
elif name == "get_iso_date":
iso_date = datetime.now().strftime("%Y-%m-%d")
return [TextContent(type="text", text=iso_date)]
else:
raise ValueError(f"Unknown tool: {name}")
def main():
"""Initialize and run the MCP server."""
async def run():
async with stdio_server() as (read_stream, write_stream):
await app.run(read_stream, write_stream, app.create_initialization_options())
asyncio.run(run())
if __name__ == "__main__":
main()
