fastify-best-practices agent skill by mcollina
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. Covers the full Fastify request lifecycle (hooks, serialization, logging with Pino) and TypeScript integration via strip types. Trigger terms: Fastify, Node.js server, REST API, API routes, backend framework, fastify.config, server.ts, app.ts.
Source and license
| Publisher | mcollina |
|---|---|
| Repository | mcollina/skills |
| License | MIT |
| Snapshot | 2026-10-22 |
| Last repository commit | 2026-10-18 |
| Instruction size | 332 words; 68 lines |
| Bundled files | 21 |
Suede Skill Check: 67/100 · D
Report snapshot · · graded-v2
The rubric totals 100 points; published scores are capped at 99. Security scan: not scanned.
Source revision: c75d70dbfbe9. Report version 4f3aaa7123bc. Badge URLs follow the latest listing; save the report to keep this version.
Download report · Request a fresh review
What to review next
- Structural checks: 48 of 56 points. 8 points for each of the seven graded checks.
- Boundary clause: 0 of 4 points. 4 when the description says when not to use the skill (“Not for …”, “Do not use …”, “Use … instead”).
- Example request: 0 of 3 points. 3 when the description quotes an example request (3–60 characters in quotation marks).
Add declarations and bundled files when they describe the skill’s actual needs. Update the source, then request a fresh review with the changed commit or PR.
| Component | Points earned | Available |
|---|---|---|
| Structural checks | 48 | 56 |
| Description length | 3 | 5 |
| Boundary clause | 0 | 4 |
| Example request | 0 | 3 |
| Instruction depth | 4 | 7 |
| Reference files | 0 | 3 |
| Bundled scripts | 0 | 2 |
| Recent maintenance | 9 | 9 |
| Curated-list citations | 3 | 7 |
| Tool permissions declared | 0 | 2 |
| Compatibility declared | 0 | 2 |
The published score is capped at 99. It measures the published files, documentation and maintenance signals. Security scan: not scanned. This assessment does not include a runtime test or a full installation-dependency review.
Install fastify-best-practices
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/fastifytmp="$(mktemp -d)"
git clone --depth 1 https://github.com/mcollina/skills.git "$tmp/repo"
mkdir -p .claude/skills
cp -R "$tmp/repo/"skills/fastify .claude/skills/
rm -rf "$tmp"tmp="$(mktemp -d)"
git clone --depth 1 https://github.com/mcollina/skills.git "$tmp/repo"
mkdir -p .agents/skills
cp -R "$tmp/repo/"skills/fastify .agents/skills/
rm -rf "$tmp"For a user-level install, copy the folder to ~/.claude/skills/ (Claude Code) or ~/.agents/skills/ (Codex). Inside Codex, $skill-installer can also fetch a skill from GitHub. New to skills? Read How to install agent skills in Claude Code, Codex and Cursor.
mcollina/skills is third-party code. Read SKILL.md and any bundled scripts before you install it.
Show the listing and raise the score
fastify-best-practices is listed with 67/100 · D. This badge links to its Suede AI listing. Skills scoring 80–99 add a numeric and a letter quality shield; the largest open points for fastify-best-practices are structural checks (8), boundary clause (4) and example request (3). Send your repository and the points you want to raise, then request a fresh review after updating the skill. Publishers: read How to get your agent skill found in search and cited by AI assistants.
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