MCP Echo Service

"""Pydantic models for Echo MCP Server responses.""" from typing import Any from pydantic import BaseModel, Field class EchoMessageResponse(BaseModel): """Response model for echo_message tool.""" original_message: str = Field(..., description="The original message sent") echoed_message: str = Field(..., description="The echoed message (possibly transformed)") uppercase_applied: bool = Field(..., description="Whether uppercase transformation was applied") message_length: int = Field(..., description="Length of the original message") timestamp: str = Field(..., description="ISO 8601 timestamp of the echo operation") class EchoDelayResponse(BaseModel): """Response model for echo_with_delay tool.""" original_message: str = Field(..., description="The original message sent") echoed_message: str = Field(..., description="The echoed message") requested_delay: float = Field(..., description="Requested delay in seconds") actual_delay: float = Field(..., description="Actual delay experienced in seconds") start_time: str = Field(..., description="ISO 8601 timestamp when delay started") end_time: str = Field(..., description="ISO 8601 timestamp when delay ended") timestamp: str = Field(..., description="ISO 8601 timestamp of the operation") class DataAnalysis(BaseModel): """Analysis metadata for JSON data.""" key_count: int = Field(..., description="Number of keys in the data") keys: list[str] = Field(..., description="List of all keys in the data") data_types: dict[str, str] = Field(..., description="Mapping of keys to their data types") total_size: int = Field(..., description="Total size of the JSON data in bytes") class EchoJsonResponse(BaseModel): """Response model for echo_json tool.""" original_data: dict[str, Any] = Field(..., description="The original JSON data sent") echoed_data: dict[str, Any] = Field(..., description="The echoed JSON data") analysis: DataAnalysis = Field(..., description="Analysis of the data structure") timestamp: str = Field(..., description="ISO 8601 timestamp of the operation")