What is watgo and what does it do?

Watgo is a pure-Go CLI and API for WebAssembly: parse/decode WAT/WASM, validate, encode. Zero deps, wasmir IR core.

How do I install and use watgo CLI?

`go install github.com/eliben/watgo/cmd/watgo@latest`. Then `watgo parse-wat foo.wat -o foo.wasm --validate`.

Does watgo support full WebAssembly spec including GC?

Passes core spec suite, tests GC via Node harness. Full pure-Go GC runtime support pending ecosystem.

Watgo: Pure-Go WebAssembly Toolkit Cuts the C++ Bloat for Real Devs

Go developers, rejoice — or at least pause your scroll. Watgo just dropped as a pure-Go WebAssembly toolkit, ditching foreign deps for good. No more wrestling wabt binaries in your builds.

theAIcatchup Apr 10, 2026 3 min read

⚡ Key Takeaways

Watgo brings zero-dep WASM parsing/validation/encoding to Go, ditching C++/Rust tools. 𝕏
wasmir IR enables easy module inspection and manipulation via intuitive Go API. 𝕏
Passes official WASM spec tests via clever harness — production confidence early. 𝕏

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theAIcatchup

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#Go #WASM tools #WebAssembly #watgo

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Originally reported by Hacker News

⚡ Key Takeaways

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