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Dev tools · October 4, 2026

jpm – a JavaScript package manager in Rust, every line by Claude Code

jpm installs npm packages fast, from one ~2 MB binary, with dependencies

jpm – a JavaScript package manager in Rust, every line by Claude Code launched on October 4, 2026 with 6 votes, #700 of 3,429 launches that month and more than 75% of that year's launches.

Visit getjpm.sh ↗Alternativestop 20% of October 2026

What it does

Every line written by Claude Code. Directed by one engineer. Checked against everyone else's tests. Three real projects, four install phases, eight package managers, against the live npm registry. On GitHub CI jpm is the fastest in 9 of 12 cells; the other three are shown as measured. Defender scans every file an install writes, and it scans files written by node.exe (npm, upm) far more cheaply than files written by native tools like jpm, aube and pnpm. On Windows jpm is the fastest on next, not yet on nuxt. Wall time, medians: ubuntu-latest with 4 cores (5 runs), macOS on an M4 Max (5 runs) and Windows 11 with Defender on (3 runs), 2026-09-30 and 2026-10-01. Full tables, with CPU time, in…from getjpm.sh

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