Extend and customize your API infrastructure with tooling for WebAssembly, plugins, and operators

Dynamically build, maintain, add, or modify custom filters in your choice of language
Store and share Wasm extensions privately or publicly with the community
Search, browse, download, and add Wasm Envoy extensions
Install extensions to Envoy-based systems including Gloo Edge and Istio

Get Started with WebAssembly Hub

WebAssembly makes customizing Envoy Proxy more accessible to developers who aren't comfortable with C++. Try WebAssembly Hub's simple yet powerful experience in building extensions, publishing them, and sharing with the community.

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Gloo Extensions include developer and operator tooling like wasme CLI, WebAssembly Hub, plugins, and operators to extend the Gloo API infrastructure platform and other Envoy Proxy-based solutions like Istio.

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WebAssembly Hub Workflow

WebAssembly Hub provides everything you need to build, publish, discover and deploy custom extensions for Envoy Proxy, Gloo and Istio.