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Add initial support for Resource Templates (#18)

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* Add initial support for Resource Templates

* Make ListResourceTemplatesHandler not required

The server was throwing if this handler wasn't specified, and it should probably be optional anyway.

* Remove extra line

Co-authored-by: Stephen Toub <stoub@microsoft.com>

* Fix spaces

Co-authored-by: Stephen Toub <stoub@microsoft.com>

* Fix spaces

Co-authored-by: Stephen Toub <stoub@microsoft.com>

* Add and use a default ListResourceTemplatesHandler

If no ListResourceTemplatesHandler is specified, use a default one that returns an empty result.

* Fix spaces

* Spaces

* Add Client extensions for ListResourceTemplates

* Integration Test for Client ListResourceTemplates

* Fix comment

Co-authored-by: Stephen Toub <stoub@microsoft.com>

* Make Defaults internal

Co-authored-by: Stephen Toub <stoub@microsoft.com>

* Simplify test call

Co-authored-by: Stephen Toub <stoub@microsoft.com>

* Make delegate static

Co-authored-by: Stephen Toub <stoub@microsoft.com>

* Fix test comment

* Spaces

* Fix xml doc

Co-authored-by: Stephen Toub <stoub@microsoft.com>

* Make default handler inline

* Spaces

Co-authored-by: Stephen Halter <halter73@gmail.com>

---------

Co-authored-by: Stephen Toub <stoub@microsoft.com>
Co-authored-by: Stephen Halter <halter73@gmail.com>
This commit is contained in:
Jonathan Dick 2025-03-21 14:09:45 -04:00 • committed by GitHub
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38
src/ModelContextProtocol/Client/McpClientExtensions.cs
View file

@ -139,6 +139,44 @@ public static class McpClientExtensions
cancellationToken);
}
/// <summary>
/// Retrieves a sequence of available resource templates from the server.
/// </summary>
/// <param name="client">The client.</param>
/// <param name="cancellationToken">A token to cancel the operation.</param>
/// <returns>An asynchronous sequence of resource template information.</returns>
public static async IAsyncEnumerable<ResourceTemplate> ListResourceTemplatesAsync(
this IMcpClient client, [EnumeratorCancellation] CancellationToken cancellationToken = default)
{
string? cursor = null;
do
{
var resources = await ListResourceTemplatesAsync(client, cursor, cancellationToken).ConfigureAwait(false);
foreach (var resource in resources.ResourceTemplates)
{
yield return resource;
}
cursor = resources.NextCursor;
}
while (cursor is not null);
}
/// <summary>
/// Retrieves a list of available resources from the server.
/// </summary>
/// <param name="client">The client.</param>
/// <param name="cursor">A cursor to paginate the results.</param>
/// <param name="cancellationToken">A token to cancel the operation.</param>
public static Task<ListResourceTemplatesResult> ListResourceTemplatesAsync(this IMcpClient client, string? cursor, CancellationToken cancellationToken = default)
{
Throw.IfNull(client);
return client.SendRequestAsync<ListResourceTemplatesResult>(
CreateRequest("resources/templates/list", CreateCursorDictionary(cursor)),
cancellationToken);
}
/// <summary>
/// Retrieves a sequence of available resources from the server.
/// </summary>