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Add server-side Streamable HTTP transport support (#330)

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- Changes IJsonRpcMessage to an abstract base class so RelatedTransport will always be available
- Streamable HTTP supports multiple concurrent HTTP request with their own indpendent SSE response streams
- RelatedTransport indicates the source or destination of the JsonRpcMessage

- Changes the default RequestId to a JSON number for better compatibility with MCP servers in the wild
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Stephen Halter 2025-04-18 17:07:23 -07:00 • committed by GitHub
commit 7dcba357d4
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1 changed files with 1637 additions and 395 deletions
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src/ModelContextProtocol/Utils/Json/McpJsonUtilities.cs
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@ -82,7 +82,8 @@ public static partial class McpJsonUtilities
NumberHandling = JsonNumberHandling.AllowReadingFromString)]
// JSON-RPC
[JsonSerializable(typeof(IJsonRpcMessage))]
[JsonSerializable(typeof(JsonRpcMessage))]
[JsonSerializable(typeof(JsonRpcMessage[]))]
[JsonSerializable(typeof(JsonRpcRequest))]
[JsonSerializable(typeof(JsonRpcNotification))]
[JsonSerializable(typeof(JsonRpcResponse))]