Publish .NET sandbox packages for macOS Apple Silicon #202

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1. jsturtevant commented on Sep 11, 2026

   

   jsturtevant

   on Sep 11, 2026

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   Yes, I started to look at this but we need to finish up one more item in hyperlight to fully enable it hyperlight-dev/hyperlight#1690 for hyperlight-wasm which is used in the project
2. thangchung commented on Sep 15, 2026

   

   thangchung

   on Sep 15, 2026

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   Hyperlight v0.17.0 added macOS Apple Silicon support (hyperlight-dev/hyperlight#1674), but the published .NET sandbox packages do not currently include macOS native assets.

   Hyperlight.HyperlightSandbox.PInvoke 0.6.0 contains only:

   • runtimes/linux-x64
   • runtimes/win-x64

   Could an osx-arm64 native asset and compatible guest packages be published so Microsoft.Agents.AI.Hyperlight CodeAct can run on Apple Silicon Macs?

   Related release: hyperlight-dev/hyperlight@v0.17.0 (release)

   I have got the error, just like to said above

   warn: McpServer.CodeMode.SandboxRunnerFactory[0]
         Falling back to local sandbox runner because Hyperlight runner could not be created.
         System.DllNotFoundException: Unable to load shared library '/Users/chungt02/source_codes/oss/agent-engineering-experiment/mcp-experiments/src/McpServer/bin/Debug/net10.0/runtimes/linux-x64/native/libhyperlight_sandbox_dotnet_ffi.so' or one of its dependencies. In order to help diagnose loading problems, consider setting the DYLD_PRINT_LIBRARIES environment variable: 
         dlopen(/Users/chungt02/source_codes/oss/agent-engineering-experiment/mcp-experiments/src/McpServer/bin/Debug/net10.0/runtimes/linux-x64/native/libhyperlight_sandbox_dotnet_ffi.so, 0x0001): tried: '/Users/chungt02/source_codes/oss/agent-engineering-experiment/mcp-experiments/src/McpServer/bin/Debug/net10.0/runtimes/linux-x64/native/libhyperlight_sandbox_dotnet_ffi.so' (slice is not valid mach-o file), '/System/Volumes/Preboot/Cryptexes/OS/Users/chungt02/source_codes/oss/agent-engineering-experiment/mcp-experiments/src/McpServer/bin/Debug/net10.0/runtimes/linux-x64/native/libhyperlight_sandbox_dotnet_ffi.so' (no such file), '/Users/chungt02/source_codes/oss/agent-engineering-experiment/mcp-experiments/src/McpServer/bin/Debug/net10.0/runtimes/linux-x64/native/libhyperlight_sandbox_dotnet_ffi.so' (slice is not valid mach-o file)
         
            at System.Runtime.InteropServices.NativeLibrary.Load(String libraryPath)
            at HyperlightSandbox.PInvoke.SafeNativeMethods.DllImportResolver(String libraryName, Assembly assembly, Nullable`1 searchPath)
            at System.Runtime.InteropServices.NativeLibrary.LoadLibraryCallbackStub(String libraryName, Assembly assembly, Boolean hasDllImportSearchPathFlags, UInt32 dllImportSearchPathFlags)
            at HyperlightSandbox.PInvoke.SafeNativeMethods.hyperlight_sandbox_create(FFISandboxOptions options)
            at HyperlightSandbox.PInvoke.SafeNativeMethods.hyperlight_sandbox_create(FFISandboxOptions options)
            at HyperlightSandbox.Api.Sandbox..ctor(String modulePath, UInt64 heapSize, UInt64 stackSize, String inputDir, String outputDir, Boolean tempOutput, Nullable`1 filesystemLimits, SandboxBackend backend)
            at HyperlightSandbox.Api.SandboxBuilder.Build()
            at McpServer.CodeMode.Hyperlight.HyperlightSandboxRunner..ctor(TimeSpan timeout, Int32 maxToolCalls, ILogger`1 logger, IReadOnlyList`1 allowedBaseUrls) in /Users/chungt02/source_codes/oss/agent-engineering-experiment/mcp-experiments/src/McpServer/CodeMode/Hyperlight/HyperlightSandboxRunner.cs:line 39
            at McpServer.CodeMode.SandboxRunnerFactory.Create(IConfiguration configuration, ILoggerFactory loggerFactory, IReadOnlyList`1 allowedBaseUrls) in /Users/chungt02/source_codes/oss/agent-engineering-experiment/mcp-experiments/src/McpServer/CodeMode/SandboxRunnerFactory.cs:line 60
   

   Looking forward to hyperlight-dev/hyperlight#1690; then we can solve this problem completely.

   👍React with 👍1Reacted by James Sturtevant
3. jsturtevant commented on Oct 17, 2026

   

   jsturtevant

   on Oct 17, 2026

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   The core hl pr merged. The hl-wasm and hl-js prs are in flight