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Docker mcp gateway #603

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Merged
msanatan merged 2 commits into from
Jan 21, 2026
+14 −4
Merged

Docker mcp gateway #603

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3c4c4a6
Log a message with implicit URI changes
msanatan Jan 21, 2026
b38db5a
Update docker container to default to stdio
msanatan Jan 21, 2026
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11 changes: 8 additions & 3 deletions MCPForUnity/Editor/Services/Transport/Transports/WebSocketTransportClient.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -682,9 +682,14 @@ private static Uri BuildWebSocketUri(string baseUrl)
throw new InvalidOperationException($"Invalid MCP base URL: {baseUrl}");
}

// Replace 0.0.0.0 with localhost for client connections
// 0.0.0.0 is only valid for server binding, not client connections
string host = httpUri.Host == "0.0.0.0" ? "localhost" : httpUri.Host;
// Replace bind-only addresses with localhost for client connections
// 0.0.0.0 and :: are only valid for server binding, not client connections
string host = httpUri.Host;
if (host == "0.0.0.0" || host == "::")
{
McpLog.Warn($"[WebSocket] Base URL host '{host}' is bind-only; using 'localhost' for client connection.");
host = "localhost";
}

var builder = new UriBuilder(httpUri)
{
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7 changes: 6 additions & 1 deletion Server/Dockerfile
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Expand Up @@ -28,4 +28,9 @@ EXPOSE 8080

ENV PYTHONPATH=/app/Server/src

CMD ["uv", "run", "python", "src/main.py", "--transport", "http", "--http-host", "0.0.0.0", "--http-port", "8080"]
# ENTRYPOINT allows override via docker run arguments
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@sourcery-ai sourcery-ai bot Jan 21, 2026

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issue: The comment about ENTRYPOINT being overridable via docker run is a bit misleading.

With an ENTRYPOINT like `[

# Default: stdio transport (Docker MCP Gateway compatible)
# For HTTP: docker run -p 8080:8080 <image> --transport http --http-host 0.0.0.0 --http-port 8080
# If hosting remotely, you should add the --project-scoped-tools flag
ENTRYPOINT ["uv", "run", "mcp-for-unity"]
CMD []