"""Simple MCP server used for testing: string tools."""

from mcp.server.fastmcp import FastMCP

mcp = FastMCP("echo")


@mcp.tool()
def echo(message: str) -> str:
    """Return the message unchanged."""
    return message


@mcp.tool()
def reverse(text: str) -> str:
    """Return the text reversed."""
    return text[::-1]


if __name__ == "__main__":
    mcp.run("stdio")