77 lines
3.2 KiB
C#
77 lines
3.2 KiB
C#
using System.Reflection;
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using ModelContextProtocol.Server;
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using Microsoft.Extensions.Options;
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using ModelContextProtocol.Utils;
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namespace Microsoft.Extensions.DependencyInjection;
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/// <summary>
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/// Configures the McpServerOptions using addition services from DI.
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/// </summary>
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/// <param name="serverHandlers">The server handlers configuration options.</param>
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/// <param name="serverTools">Tools individually registered.</param>
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/// <param name="serverPrompts">Prompts individually registered.</param>
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internal sealed class McpServerOptionsSetup(
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IOptions<McpServerHandlers> serverHandlers,
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IEnumerable<McpServerTool> serverTools,
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IEnumerable<McpServerPrompt> serverPrompts) : IConfigureOptions<McpServerOptions>
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{
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/// <summary>
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/// Configures the given McpServerOptions instance by setting server information
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/// and applying custom server handlers and tools.
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/// </summary>
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/// <param name="options">The options instance to be configured.</param>
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public void Configure(McpServerOptions options)
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{
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Throw.IfNull(options);
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// Configure the option's server information based on the current process,
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// if it otherwise lacks server information.
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if (options.ServerInfo is not { } serverInfo)
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{
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var assemblyName = Assembly.GetEntryAssembly()?.GetName();
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options.ServerInfo = new()
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{
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Name = assemblyName?.Name ?? "McpServer",
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Version = assemblyName?.Version?.ToString() ?? "1.0.0",
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};
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}
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// Collect all of the provided tools into a tools collection. If the options already has
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// a collection, add to it, otherwise create a new one. We want to maintain the identity
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// of an existing collection in case someone has provided their own derived type, wants
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// change notifications, etc.
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McpServerPrimitiveCollection<McpServerTool> toolCollection = options.Capabilities?.Tools?.ToolCollection ?? [];
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foreach (var tool in serverTools)
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{
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toolCollection.TryAdd(tool);
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}
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if (!toolCollection.IsEmpty)
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{
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options.Capabilities ??= new();
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options.Capabilities.Tools ??= new();
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options.Capabilities.Tools.ToolCollection = toolCollection;
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}
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// Collect all of the provided prompts into a prompts collection. If the options already has
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// a collection, add to it, otherwise create a new one. We want to maintain the identity
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// of an existing collection in case someone has provided their own derived type, wants
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// change notifications, etc.
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McpServerPrimitiveCollection<McpServerPrompt> promptCollection = options.Capabilities?.Prompts?.PromptCollection ?? [];
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foreach (var prompt in serverPrompts)
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{
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promptCollection.TryAdd(prompt);
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}
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if (!promptCollection.IsEmpty)
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{
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options.Capabilities ??= new();
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options.Capabilities.Prompts ??= new();
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options.Capabilities.Prompts.PromptCollection = promptCollection;
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}
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// Apply custom server handlers.
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serverHandlers.Value.OverwriteWithSetHandlers(options);
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}
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}
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