Show HN: Afterburner – Capability-Sandboxed JavaScript/TS Runtime in Rust

Category: infrastructure

Tags: javascript-runtime, sandbox, rust

Score: 7.3/10 (Innovation: 7, Technical: 9, Documentation: 7, Utility: 6)

Afterburner is a Rust-based JavaScript runtime that sandboxes untrusted code with memory limits, timeouts, and capability-gated I/O, offering its own package format, registry, and package manager. It is interesting because it combines a custom JS engine, WASM sandboxing, and AI agent integration to provide a secure execution environment for third-party scripts and AI-generated code.

Target audience: backend devs

Repository: https://github.com/afterburner-sh/afterburner · Rust · NOASSERTION · 7 stars

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