nodejs-core agent skill by mcollina

At a glance

Before you install

Read from the skill's files at the directory's October 19, 2026 snapshot: what ships with it, what its code reads, and the terms it is published under.

• Bundled scripts: none.
• Commands in SKILL.md: its code blocks run npx, which fetches or runs software from outside the skill folder.
• License: MIT, an open-source or open-content license.

Install nodejs-core

The skills CLI works with Claude Code, Codex, Cursor and other agents; the other routes copy the folder by hand.

npx skills add https://github.com/mcollina/skills/tree/main/skills/nodejs-core

tmp="$(mktemp -d)"
git clone --depth 1 https://github.com/mcollina/skills.git "$tmp/repo"
mkdir -p .claude/skills
cp -R "$tmp/repo/"skills/nodejs-core .claude/skills/
rm -rf "$tmp"

python3 ~/.codex/skills/.system/skill-installer/scripts/install-skill-from-github.py \
    --repo mcollina/skills \
    --path skills/nodejs-core

mcollina/skills is third-party code. Read SKILL.md and any bundled scripts before you install it.

How the author describes it

Contributes to and debugs Node.js core, including nodejs/node commit and PR tone, contribution workflows, native crashes, V8 performance, node-gyp builds, N-API bindings, and libuv issues. Use when drafting or reviewing a Node.js core commit or pull request, working in nodejs/node, or diagnosing C++ addons, binding.gyp failures, segfaults, native leaks, V8 deoptimizations, and event-loop internals.

From the description field of SKILL.md. Agents read this line to decide when to load the skill.

Sections in SKILL.md

• When to use
• How to use
• V8 Engine
• libuv
• Native Addons
• Core Modules Internals
• JavaScript Internals
• Build & Contributing
• Documentation
• Debugging & Profiling
• Instructions
• Node.js contribution writing
• MANDATORY: Rebuild before testing
• MANDATORY: Lint and format before every commit
• Core knowledge domains
• Quick-reference debugging commands

Files in the skill folder

• SKILL.md
• rules/build-and-test-workflow.md
• rules/build-system.md
• rules/child-process-internals.md
• rules/cli-options.md
• rules/commit-and-pr-guideline.md
• rules/configure.md
• rules/contributing.md
• rules/crypto-internals.md
• rules/debugging-native.md
• rules/documentation.md
• rules/fs-internals.md
• rules/libuv-async-io.md
• rules/libuv-event-loop.md
• rules/libuv-thread-pool.md
• rules/memory-debugging.md
• rules/napi.md
• rules/native-memory.md
• rules/net-internals.md
• rules/node-addon-api.md
• rules/pre-commit-lint.md
• rules/primordials.md
• rules/profiling-v8.md
• rules/reviewing-prs.md

Showing 24 of 30 files. Browse the folder on GitHub.

Suede Skill Check: 80/100 · B

nodejs-core passes the required frontmatter check and all seven graded checks, which cover the SKILL.md format, a declared license and a commit in the last year. Those checks earn 56 of the score’s points; the rest come from description quality, instruction depth, bundled files, maintenance and curated-list citations. How the score works.

Where this skill is cited

mcollina/skills appears in 2 curated lists: VoltAgent/awesome-agent-skills, heilcheng/awesome-agent-skills.

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