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remix-utilities

Category: Engineering  ·  Sub-category: frontend  ·  Last updated:
lang:javascriptfw:react
Reference card for the smaller utility packages Remix v3 bundles — `remix/mime` (`detectContentType` from filename, `isCompressibleMimeType`, `defineMimeType`), `remix/lazy-file` (`LazyFile` / `LazyBlob` — File-shaped objects that defer reading), `remix/fs` (`openLazyFile`, `writeFile` returning `LazyFile`), `remix/tar-parser` (streaming `parseTar`, `TarParser`), `remix/terminal` (`ansi`, `stripAnsi`, `createStyles`, `shouldUseColors` — replaces chalk), `remix/node-serve` (uWebSockets.js-backed alternative to `node-fetch-server`), `remix/fetch-proxy` (`createFetchProxy` for BFF / reverse-proxy patterns). Also points at the larger utility surfaces with their own sub-skills (templating, headers, build). Load whenever the user is detecting a content type from a filename, streaming a large file without buffering, parsing a tar archive (npm tarballs, CI artifacts), styling terminal output for a CLI / scaffolder, building a reverse proxy or BFF, picking a high-perf alternative server, or about to install `mime` / `mime-types`, `chalk` / `kleur` / `picocolors`, `tar` / `tar-stream`, `http-proxy` / `http-proxy-middleware`, `fs-extra`. Quick check before adding any "small utility" npm dep.

From the source SKILL.md

The small built-ins Remix ships besides middlewares and routing. Each is a focused library — table first, deep doc as needed.

What this skill does

remix-utilities is a community-contributed Claude Code skill in the frontend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/utilities/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The remix-utilities Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/utilities
curl -L https://claudskills.com/skills/utilities/SKILL.md \
  -o ~/.claude/skills/utilities/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/utilities/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/utilities/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\utilities\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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