microsoft/win32metadata

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

1492 stars · 149 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Microsoft's tooling that generates machine-readable metadata (.winmd) for Win32 APIs in the Windows SDK. It enables automated generation of idiomatic, strongly-typed language bindings (projections) for calling Win32 APIs from languages like C#, Rust, Python, and Dart.

Use cases

• generate strongly-typed Win32 API bindings for my language instead of hand-writing P/Invoke signatures
• call Windows APIs from Rust or C# with safe, validated signatures
• browse Win32 API metadata to see constants, enums, and handle types
• automate interop bindings for the Windows SDK
• replace manually maintained pinvoke or winapi-rs style bindings

When to choose

• you are building or maintaining language bindings for Win32 APIs
• you want complete, Microsoft-maintained Win32 API coverage instead of hand-written signatures
• you need strongly-typed handles and enums for Windows interop

When to avoid

• you are targeting non-Windows platforms
• you only need a few Win32 calls and an existing projection already covers them
• you need runtime libraries rather than compile-time API metadata

Facets

library · maturity active

sdk parser developer-tools developer-tools windows apis programming-languages windows cpp cli win32 metadata interop pinvoke windows-sdk language-projections ffi code-generation

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markdown · JSON · MCP: product_card(name="microsoft/win32metadata")