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Add ModelContextProtocol.Core package (#428)

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Stephen Halter 2025-06-02 15:16:45 -07:00 • committed by GitHub
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src/ModelContextProtocol/McpException.cs
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@ -1,73 +0,0 @@
namespace ModelContextProtocol;
/// <summary>
/// Represents an exception that is thrown when an Model Context Protocol (MCP) error occurs.
/// </summary>
/// <remarks>
/// This exception is used to represent failures to do with protocol-level concerns, such as invalid JSON-RPC requests,
/// invalid parameters, or internal errors. It is not intended to be used for application-level errors.
/// <see cref="Exception.Message"/> or <see cref="ErrorCode"/> from a <see cref="McpException"/> may be
/// propagated to the remote endpoint; sensitive information should not be included. If sensitive details need
/// to be included, a different exception type should be used.
/// </remarks>
public class McpException : Exception
{
/// <summary>
/// Initializes a new instance of the <see cref="McpException"/> class.
/// </summary>
public McpException()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="McpException"/> class with a specified error message.
/// </summary>
/// <param name="message">The message that describes the error.</param>
public McpException(string message) : base(message)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="McpException"/> class with a specified error message and a reference to the inner exception that is the cause of this exception.
/// </summary>
/// <param name="message">The message that describes the error.</param>
/// <param name="innerException">The exception that is the cause of the current exception, or a null reference if no inner exception is specified.</param>
public McpException(string message, Exception? innerException) : base(message, innerException)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="McpException"/> class with a specified error message and JSON-RPC error code.
/// </summary>
/// <param name="message">The message that describes the error.</param>
/// <param name="errorCode">A <see cref="McpErrorCode"/>.</param>
public McpException(string message, McpErrorCode errorCode) : this(message, null, errorCode)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="McpException"/> class with a specified error message, inner exception, and JSON-RPC error code.
/// </summary>
/// <param name="message">The message that describes the error.</param>
/// <param name="innerException">The exception that is the cause of the current exception, or a null reference if no inner exception is specified.</param>
/// <param name="errorCode">A <see cref="McpErrorCode"/>.</param>
public McpException(string message, Exception? innerException, McpErrorCode errorCode) : base(message, innerException)
{
ErrorCode = errorCode;
}
/// <summary>
/// Gets the error code associated with this exception.
/// </summary>
/// <remarks>
/// This property contains a standard JSON-RPC error code as defined in the MCP specification. Common error codes include:
/// <list type="bullet">
/// <item><description>-32700: Parse error - Invalid JSON received</description></item>
/// <item><description>-32600: Invalid request - The JSON is not a valid Request object</description></item>
/// <item><description>-32601: Method not found - The method does not exist or is not available</description></item>
/// <item><description>-32602: Invalid params - Invalid method parameters</description></item>
/// <item><description>-32603: Internal error - Internal JSON-RPC error</description></item>
/// </list>
/// </remarks>
public McpErrorCode ErrorCode { get; } = McpErrorCode.InternalError;
}