bun-runtime

Installation
SKILL.md

Bun Runtime APIs

Use this skill when working with Bun's runtime environment, including file system operations, HTTP servers, environment variables, and Bun-specific APIs.

Key Concepts

Bun Globals

Bun provides several global APIs that are optimized for performance:

  • Bun.file() - Fast file reading with automatic content-type detection
  • Bun.write() - High-performance file writing
  • Bun.serve() - Ultra-fast HTTP server
  • Bun.env - Type-safe environment variables
  • Bun.$ - Shell command execution with template literals

File I/O

Bun's file APIs are significantly faster than Node.js equivalents:

Related skills
Installs
17
GitHub Stars
150
First Seen
Feb 27, 2026