Add ModelContextProtocol.Core package (#428)

src/ModelContextProtocol/Protocol/ToolAnnotations.cs

@@ -1,96 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace ModelContextProtocol.Protocol;
-
-/// <summary>
-/// Represents additional properties describing a <see cref="Tool"/> to clients.
-/// </summary>
-/// <remarks>
-/// All properties in <see cref="ToolAnnotations"/> are hints.
-/// They are not guaranteed to provide a faithful description of tool behavior (including descriptive properties like `title`).
-/// Clients should never make tool use decisions based on <see cref="ToolAnnotations"/> received from untrusted servers.
-/// </remarks>
-public class ToolAnnotations
-{
-    /// <summary>
-    /// Gets or sets a human-readable title for the tool that can be displayed to users.
-    /// </summary>
-    /// <remarks>
-    /// <para>
-    /// The title provides a more descriptive, user-friendly name for the tool than the tool's
-    /// programmatic name. It is intended for display purposes and to help users understand
-    /// the tool's purpose at a glance.
-    /// </para>
-    /// <para>
-    /// Unlike the tool name (which follows programmatic naming conventions), the title can
-    /// include spaces, special characters, and be phrased in a more natural language style.
-    /// </para>
-    /// </remarks>
-    [JsonPropertyName("title")]
-    public string? Title { get; set; }
-
-    /// <summary>
-    /// Gets or sets whether the tool may perform destructive updates to its environment.
-    /// </summary>
-    /// <remarks>
-    /// <para>
-    /// If <see langword="true"/>, the tool may perform destructive updates to its environment.
-    /// If <see langword="false"/>, the tool performs only additive updates.
-    /// This property is most relevant when the tool modifies its environment (ReadOnly = false).
-    /// </para>
-    /// <para>
-    /// The default is <see langword="true"/>.
-    /// </para>
-    /// </remarks>
-    [JsonPropertyName("destructiveHint")]
-    public bool? DestructiveHint { get; set; }
-
-    /// <summary>
-    /// Gets or sets whether calling the tool repeatedly with the same arguments 
-    /// will have no additional effect on its environment.
-    /// </summary>
-    /// <remarks>
-    /// <para>
-    /// This property is most relevant when the tool modifies its environment (ReadOnly = false).
-    /// </para>
-    /// <para>
-    /// The default is <see langword="false"/>.
-    /// </para>
-    /// </remarks>
-    [JsonPropertyName("idempotentHint")]
-    public bool? IdempotentHint { get; set; }
-
-    /// <summary>
-    /// Gets or sets whether this tool may interact with an "open world" of external entities.
-    /// </summary>
-    /// <remarks>
-    /// <para>
-    /// If <see langword="true"/>, the tool may interact with an unpredictable or dynamic set of entities (like web search).
-    /// If <see langword="false"/>, the tool's domain of interaction is closed and well-defined (like memory access).
-    /// </para>
-    /// <para>
-    /// The default is <see langword="true"/>.
-    /// </para>
-    /// </remarks>
-    [JsonPropertyName("openWorldHint")]
-    public bool? OpenWorldHint { get; set; }
-
-    /// <summary>
-    /// Gets or sets whether this tool does not modify its environment.
-    /// </summary>
-    /// <remarks>
-    /// <para>
-    /// If <see langword="true"/>, the tool only performs read operations without changing state.
-    /// If <see langword="false"/>, the tool may make modifications to its environment.
-    /// </para>
-    /// <para>
-    /// Read-only tools do not have side effects beyond computational resource usage.
-    /// They don't create, update, or delete data in any system.
-    /// </para>
-    /// <para>
-    /// The default is <see langword="false"/>.
-    /// </para>
-    /// </remarks>
-    [JsonPropertyName("readOnlyHint")]
-    public bool? ReadOnlyHint { get; set; }
-}