Fastify Best Practices
Fastify Best Practices is an agent skill (a SKILL.md file) from mcollina/skills. Guides development of Fastify Node.js backend servers and REST APIs using TypeScript or JavaScript. It works with Claude Code and has 1,960 GitHub stars across a repository of 2 listed skills.
github.com/mcollina/skills/skills/fastify (opens in a new tab)
Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error
Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/mcollina/skills.git
cp -r skills/skills/fastify ~/.claude/skills/fastify-best-practices # personal, or .claude/skills in a projectIn the Claude apps, zip the fastify-best-practices folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/mcollina/skills.git
cp -r skills/skills/fastify .agents/skills/fastify-best-practices # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/mcollina/skills.git
cp -r skills/skills/fastify .cursor/skills/fastify-best-practices # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Guides development of Fastify Node.js backend servers and REST APIs using TypeScript or JavaScript. Use when building, configuring, or debugging a Fastify application — including defining routes, implementing plugins, setting up JSON Schema validation, handling errors, optimising performance, managing authentication, configuring CORS and security headers, integrating databases, working with WebSockets, and deploying to production.
When it triggers
- Use when building, configuring, or debugging a Fastify application — including defining routes, implementing plugins, setting up JSON Schema validation, handling errors, optimising performance, managing authentication, configuring CORS and
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How do I install the Fastify Best Practices skill?
Copy the fastify-best-practices folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the Fastify Best Practices skill free?
Yes. The repository is open source under the MIT license.
Is Fastify Best Practices maintained?
The repository's most recent commit was on Oct 18, 2026. appsgit only lists skills from repositories with a commit in the last six months.