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sagebrush-web

v0.2.0

Published

Sagebrush engines (Rust -> WebAssembly, single-file ES modules) and CPython's parser in TypeScript, for browsers and chat artifacts

Vulnerabilities

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Links

Git

Maintainers

wsteinwstein

Keywords

Readme

Single-file ES modules for browsers and chat artifacts

Published to npm as sagebrush-web and served by jsdelivr (/npm/ is the only jsdelivr path Claude's artifact sandbox allows; /gh/<repo>@<commit>/cdn/ also works elsewhere):

const sb = await import("https://cdn.jsdelivr.net/npm/[email protected]/sagebrush-engine.mjs");
const py = await import("https://cdn.jsdelivr.net/npm/[email protected]/pyparse.mjs");
sb.charpoly({ n: 1, k: 12, q: 2, sign: 1 });   // proven, over Z[zeta_m]
py.parse("x = [1, 2 3]\n");                     // throws CPython's SyntaxError

| File | Raw | Gzipped (as served) | What | |---|---|---|---| | sagebrush-engine.mjs | 549 KB | 208 KB | the Rust engines (engine/web, wasm32) inlined as base64 | | pyparse.mjs | 227 KB | 33 KB | CPython 3.14's parser (pyparse/) |

Why this shape: in the October 2026 smoke test, Claude's artifact sandbox blocked fetch() to every CDN and import() from esm.sh, but allowed import() from cdn.jsdelivr.net and <script> from cdnjs. ChatGPT allowed more. WebAssembly from inline bytes worked in both; cross-origin isolation (WASM threads) in neither. So the engines are single-threaded and ship inside the JS module. Rebuild with node cdn/build.mjs; publish with bash cdn/publish.sh (bump version in package.json first). Licensing: see NOTICE.md (no license for Sagebrush's own code yet; the pyparse parts derived from CPython are PSF-2.0).