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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using Microsoft.Extensions.AI;
using System.ComponentModel;
using System.Text.Json;
namespace ModelContextProtocol.Server;
/// <summary>
/// Provides options for controlling the creation of an <see cref="McpServerTool"/>.
/// </summary>
/// <remarks>
/// <para>
/// These options allow for customizing the behavior and metadata of tools created with
/// <see cref="M:McpServerTool.Create"/>. They provide control over naming, description,
/// tool properties, and dependency injection integration.
/// </para>
/// <para>
/// When creating tools programmatically rather than using attributes, these options
/// provide the same level of configuration flexibility.
/// </para>
/// </remarks>
public sealed class McpServerToolCreateOptions
{
/// <summary>
/// Gets or sets optional services used in the construction of the <see cref="McpServerTool"/>.
/// </summary>
/// <remarks>
/// These services will be used to determine which parameters should be satisifed from dependency injection. As such,
/// what services are satisfied via this provider should match what's satisfied via the provider passed in at invocation time.
/// </remarks>
public IServiceProvider? Services { get; set; }
/// <summary>
/// Gets or sets the name to use for the <see cref="McpServerTool"/>.
/// </summary>
/// <remarks>
/// If <see langword="null"/>, but an <see cref="McpServerToolAttribute"/> is applied to the method,
/// the name from the attribute will be used. If that's not present, a name based on the method's name will be used.
/// </remarks>
public string? Name { get; set; }
/// <summary>
/// Gets or set the description to use for the <see cref="McpServerTool"/>.
/// </summary>
/// <remarks>
/// If <see langword="null"/>, but a <see cref="DescriptionAttribute"/> is applied to the method,
/// the description from that attribute will be used.
/// </remarks>
public string? Description { get; set; }
/// <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>
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>
public bool? Destructive { 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>
public bool? Idempotent { 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>
public bool? OpenWorld { 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>
public bool? ReadOnly { get; set; }
/// <summary>
/// Gets or sets the JSON serializer options to use when marshalling data to/from JSON.
/// </summary>
/// <remarks>
/// Defaults to <see cref="McpJsonUtilities.DefaultOptions"/> if left unspecified.
/// </remarks>
public JsonSerializerOptions? SerializerOptions { get; set; }
/// <summary>
/// Gets or sets the JSON schema options when creating <see cref="AIFunction"/> from a method.
/// </summary>
/// <remarks>
/// Defaults to <see cref="AIJsonSchemaCreateOptions.Default"/> if left unspecified.
/// </remarks>
public AIJsonSchemaCreateOptions? SchemaCreateOptions { get; set; }
/// <summary>
/// Creates a shallow clone of the current <see cref="McpServerToolCreateOptions"/> instance.
/// </summary>
internal McpServerToolCreateOptions Clone() =>
new McpServerToolCreateOptions
{
Services = Services,
Name = Name,
Description = Description,
Title = Title,
Destructive = Destructive,
Idempotent = Idempotent,
OpenWorld = OpenWorld,
ReadOnly = ReadOnly,
SerializerOptions = SerializerOptions,
SchemaCreateOptions = SchemaCreateOptions,
};
}