felvieira/claude-skills-fv · skills/03-backend-api/SKILL.md

backend-api skillA

Name: backend-api
Author: felvieira

backend-api is agent-read markdown (skill) from felvieira/claude-skills-fv: Skill do Backend Developer para definição de APIs, banco de dados, e lógica de servidor. Use quando precisar definir schemas de banco, endpoints REST/GraphQL, validação server-side, autenticação, migrations, ou qualquer lógica de backend. Trigger em: "API", "endpoint", "banco de dados", "schema", "migration", "backend", "servidor", "autenticação", "JWT", "middleware", "ORM", "Prisma", "PostgreSQL", "Node.js", "Express", "NestJS", "validação server-side"..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version

mdr add felvieira/claude-skills-fv/backend-api@git:20260826.f3492ef

Exact content

mdr add felvieira/claude-skills-fv/backend-api@sha256:6e3843338432a20f

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

[![mdr](https://markdownregistry.com/badge/art_i7aof3f4nocir2cl.svg)](https://markdownregistry.com/a/art_i7aof3f4nocir2cl)

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Versions

version	committed	commit	size	audit
git:20260826.f3492ef latest	2026-08-26	f3492ef	24,467 B	A	view · diff
git:20260724.e18597b	2026-07-24	e18597b	20,326 B	A	view · diff
git:20260522.d9c1b1d	2026-05-22	d9c1b1d	15,290 B	A	view · diff
git:20260413.3b70333	2026-04-13	3b70333	11,771 B	A	view · diff
git:20260310.14ae6e4	2026-03-10	14ae6e4	11,078 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Deterministic, no model, same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (24467 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

felvieira/claude-skills-fv · 22 stars · license Apache-2.0 · pushed 2026-09-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_i7aof3f4nocir2cl
GET https://markdownregistry.com/api/v1/resolve?ref=felvieira/claude-skills-fv/backend-api
GET https://markdownregistry.com/api/v1/blob/6e3843338432a20f3f920aebe88fb620603639950f2fced3f7699149af0f23d7