denoland/deno

A modern runtime for JavaScript and TypeScript.

About the project

Deno is a runtime that executes JavaScript, TypeScript, and WebAssembly programs outside a browser. Developers use it for applications such as web servers, and the catalogue add-ons provide workflows and guidance for Deno projects.

Latest release v2.9.8 · 21 Oct 2026

8 files for Claude Code and GitHub Copilot: fmt, issue-triage, lint-all, lint-js and 4 more — 6,070 tokens loaded in every session.

Open on GitHub deno.com

Instructions

deno copilot-instructions.md .github/copilot-instructions.md A 3,077 tok
deno CLAUDE.md CLAUDE.md A 2,993 tok

Skills

fmt .claude/skills/fmt/SKILL.md A 18 tok
issue-triage .claude/skills/issue-triage/SKILL.md C 47 tok
lint-all .claude/skills/lint-all/SKILL.md A 24 tok
lint-js .claude/skills/lint-js/SKILL.md A 29 tok
node-compat .claude/skills/node-compat/SKILL.md A 37 tok
review-pr .claude/skills/review-pr/SKILL.md A 39 tok

These files are denoland/deno's own configuration — they tell Claude Code and GitHub Copilot how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.