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bun

Use Bun instead of Node.js, npm, pnpm, or vite.

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Install / Use

npx skills add settlemint/sdk

Installs into whichever agent you are using.

About this skill
📐

Cursor Rules

Cursor IDE rules (v2)

Quality Score

50/100

Supported Platforms

Cursor

Our assessment of bun

bun scores 50/100 on our quality scale, 4257th of 4,595 Development & Engineering skills we index.

Its Cursor Rules is 2.4 KB long, lightly structured (2 headings) with 4 code examples: moderately detailed.

It has no GitHub stars yet, so there is no community track record; judge it on its content.

Substance
20/30
Structure
12/20
Description
8/15
Adoption
0/20
Freshness
11/15

Maintenance, license and trust

  • The repository was last updated about 5 months ago. That is recent enough to be usable, but agent tooling moves fast, so check the instructions against your agent's current version.
  • Our last check on 2026-10-18 found the source still online.
  • No license is declared. By default that means all rights are reserved: you can read it, but reusing or redistributing it is not clearly permitted. Ask the author before building on it commercially.
  • Its trust signals score 78/100, with 2 cautions from licensing, adoption, age or documentation. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.

Safety scan

No issues found

Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. An AI review of the same text found nothing harmful.

AI review by kimi-k2.7-code on 2026-09-30. Automated pattern scan on 2026-09-30. It catches known dangerous patterns, not every risk — read a skill before letting an agent act on it.

bun compared with similar skills

All 4 of these similar skills score higher than bun; compare them before choosing.

SkillScoreStarsUpdatedFormat
bun (this skill)by settlemint5005mo agoCursor Rules
taste-skillby Leonxlnx100101.6k3d agoCLAUDE.md
ai-job-searchby ai-job-search-dev10064.0k2d agoCLAUDE.md
claude-howtoby luongnv8910044.0k3d agoCLAUDE.md
algorithmic-artby anthropics100177.9k31d agoSKILL.md

Frequently asked questions

How do I install bun?
Run npx skills add settlemint/sdk. The install tabs above show the steps for each supported agent.
Which AI agents does bun work with?
It is written for Cursor, as a Cursor Rules file. Other agents that read the same format can often use it too.
Is bun safe to use?
Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. An AI review of the same text found nothing harmful. It declares no license and scores 78/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
Is bun still maintained?
The repository was last updated about 5 months ago. That is recent enough to be usable, but agent tooling moves fast, so check the instructions against your agent's current version.

Skill content

View source on GitHub

description: Use Bun instead of Node.js, npm, pnpm, or vite. globs: *.ts, *.tsx, *.html, *.css, *.js, *.jsx, package.json alwaysApply: false

Default to using Bun instead of Node.js.

  • Use bun <file> instead of node <file> or ts-node <file>
  • Use bun run test instead of jest or vitest
  • Use bun run build instead of webpack or esbuild
  • Use bun install instead of npm install or yarn install or pnpm install
  • Use bun run <script> instead of npm run <script> or yarn run <script> or pnpm run <script>
  • Bun automatically loads .env, so don't use dotenv.

APIs

  • Bun.serve() supports WebSockets, HTTPS, and routes. Don't use express.
  • bun:sqlite for SQLite. Don't use better-sqlite3.
  • Bun.redis for Redis. Don't use ioredis.
  • Bun.sql for Postgres. Don't use pg or postgres.js.
  • WebSocket is built-in. Don't use ws.
  • Bun.File() for any file reading ans writing
  • Bun.$ls instead of execa.

Frontend

Use HTML imports with Bun.serve(). Don't use vite. HTML imports fully support React, CSS, Tailwind.

Server:

import index from "./index.html"

Bun.serve({
  routes: {
    "/": index,
    "/api/users/:id": {
      GET: (req) => {
        return new Response(JSON.stringify({ id: req.params.id }));
      },
    },
  },
  // optional websocket support
  websocket: {
    open: (ws) => {
      ws.send("Hello, world!");
    },
    message: (ws, message) => {
      ws.send(message);
    },
    close: (ws) => {
      // handle close
    }
  },
  development: {
    hmr: true,
    console: true,
  }
})

HTML files can import .tsx, .jsx or .js files directly and Bun's bundler will transpile & bundle automatically. <link> tags can point to stylesheets and Bun's CSS bundler will bundle.

<html>
  <body>
    <h1>Hello, world!</h1>
    <script type="module" src="./frontend.tsx"></script>
  </body>
</html>

With the following frontend.tsx:

import React from "react";

// import .css files directly and it works
import './index.css';

import { createRoot } from "react-dom/client";

const root = createRoot(document.body);

export default function Frontend() {
  return <h1>Hello, world!</h1>;
}

root.render(<Frontend />);

Then, run index.ts

bun --hot ./index.ts

For more information, read the Bun API docs in node_modules/bun-types/docs/**.md.

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settlemint

View profile

View on GitHub
GitHub Stars0
CategoryDevelopment
Updated5mo ago
Forks0
settlemint/bun

Trust signals

78/100

From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.

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