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Fix WithMeta + WithProgress causing tool invocation failure (#1464)

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: stephentoub <2642209+stephentoub@users.noreply.github.com>
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Copilot 2026-03-27 15:41:58 -04:00 • committed by GitHub
commit 49bf17077d
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1 changed files with 97 additions and 2 deletions
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4
src/ModelContextProtocol.Core/Client/McpClient.Methods.cs
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@ -877,7 +877,7 @@ public abstract partial class McpClient : McpSession
return default;
}).ConfigureAwait(false);
JsonObject metaWithProgress = meta is not null ? new(meta) : [];
JsonObject metaWithProgress = meta is not null ? (JsonObject)meta.DeepClone() : [];
metaWithProgress["progressToken"] = progressToken.ToString();
return await CallToolAsync(
@ -1007,7 +1007,7 @@ public abstract partial class McpClient : McpSession
return default;
}).ConfigureAwait(false);
JsonObject metaWithProgress = meta is not null ? new(meta) : [];
JsonObject metaWithProgress = meta is not null ? (JsonObject)meta.DeepClone() : [];
metaWithProgress["progressToken"] = progressToken.ToString();
var result = await SendRequestAsync(