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Backend API

Category: General  ·  Sub-category: general-misc  ·  Last updated:
Design and implement RESTful API endpoints following REST principles with resource-based URLs, appropriate HTTP methods, and consistent naming conventions. Use this skill when creating or modifying API route handlers, endpoint definitions, or REST controllers in files like routes.py, api.ts, controllers/, handlers/, or when implementing HTTP methods (GET, POST, PUT, PATCH, DELETE). Also applies when working on API versioning, request/response validation, status code handling, rate limiting, or any backend endpoint logic that serves HTTP requests to frontend clients or external systems.
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What this skill does

Backend API is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/backend-api-grimmolf-mga-soap-calculator/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Backend API Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 196,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/backend-api-grimmolf-mga-soap-calculator
curl -L https://claudskills.com/skills/backend-api-grimmolf-mga-soap-calculator/SKILL.md \
  -o ~/.claude/skills/backend-api-grimmolf-mga-soap-calculator/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/backend-api-grimmolf-mga-soap-calculator/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/backend-api-grimmolf-mga-soap-calculator/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\backend-api-grimmolf-mga-soap-calculator\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Backend API Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/backend-api-grimmolf-mga-soap-calculator/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Backend API skill do?
Design and implement RESTful API endpoints following REST principles with resource-based URLs, appropriate HTTP methods, and consistent naming conventions. Use this skill when creating or modifying API route handlers, endpoint definitions, or REST controllers in files like routes.py, api.ts, controllers/, handlers/, or when implementing HTTP methods (GET, POST, PUT, PATCH, DELETE). Also applies when working on API versioning, request/response validation, status code handling, rate limiting, or any backend endpoint logic that serves HTTP requests to frontend clients or external systems.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Backend API skill?
Use Backend API when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Backend API" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Backend API skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Backend API is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
majiayu000. (2026). Backend API [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/backend-api-grimmolf-mga-soap-calculator/
BibTeX
@misc{backend-api-grimmolf-mga-soap-calculator-2026,
  author    = {majiayu000},
  title     = {Backend API [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/backend-api-grimmolf-mga-soap-calculator/}
}

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Badge
[![ClaudSkills](https://claudskills.com/badge/backend-api-grimmolf-mga-soap-calculator.svg)](https://claudskills.com/skills/backend-api-grimmolf-mga-soap-calculator/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)
<script>
<script src="https://claudskills.com/embed/backend-api-grimmolf-mga-soap-calculator.js" async></script>
<iframe>
<iframe src="https://claudskills.com/embed/backend-api-grimmolf-mga-soap-calculator.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Backend API"></iframe>

Security scan

Grade A · scanned 2026-09-28 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/backend-api-grimmolf-mga-soap-calculator/#security)

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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