Shareable instruction files for Cursor, Claude Code, Copilot, Windsurf, and more — installed alongside your existing agent rules.
Base64 is a lightweight, zero-dependency base64 encoding/decoding library for JavaScript and TypeScript that works across Node.js, Deno, Bun, and browsers. It supports both regular base64 and base64url encoding with string and ArrayBuffer conversions.
after completing a task, you may want to run these quality checks. it may be easiest to run them all together from a single command first. to do that, run the `deno task allchecks` command: