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api-generating

api-generating is a skill for Claude Code from huangjia2019/claude-code-engingeering-EN. It costs 37 tokens per session (332 once invoked), scanned A, a copy of api-generating, MIT.

A generator for REST API endpoints, which are web routes that let clients read and change data, following the patterns already used in a project.

In plain words
What is it for?
Use it to add API resources and CRUD operations—creating, reading, updating, and deleting records—with project-specific validation, naming, and architecture.
Why use it?
It removes the repetitive work of creating matching route, service, data-access, validation, and test files while keeping business rules out of route handlers.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

not rated 10repo 4mo ago A scan 37 tokens copy · 100% MIT

Good fit Use it to add API resources and CRUD operations—creating, reading, updating, and deleting records—with project-specific validation, naming, and architecture.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/huangjia2019/claude-code-engingeering-en/api-generating
View source ↗ huangjia2019/claude-code-engingeering-EN
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add huangjia2019/claude-code-engingeering-EN --skill api-generating
Clone the repo
git clone --depth 1 https://github.com/huangjia2019/claude-code-engingeering-EN

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for api-generating

README.md
[![agentmods](https://agentmods.dev/badge/skills/huangjia2019/claude-code-engingeering-en/api-generating/github.svg)](https://agentmods.dev/skills/huangjia2019/claude-code-engingeering-en/api-generating)
Your own site
<a href="https://agentmods.dev/skills/huangjia2019/claude-code-engingeering-en/api-generating"><img src="https://agentmods.dev/badge/skills/huangjia2019/claude-code-engingeering-en/api-generating/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for api-generating

Your own site · 80×15
<a href="https://agentmods.dev/skills/huangjia2019/claude-code-engingeering-en/api-generating"><img src="https://agentmods.dev/badge/skills/huangjia2019/claude-code-engingeering-en/api-generating.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 332 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00037 $0.00332
Opus 5.5 $0.00015 $0.00133
Sonnet 5.5 $0.00007 $0.00066
Haiku 4.5 $0.00004 $0.00033

Measured 2mo ago against content hash 75797ca5d993, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

api-generating scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to api-generating — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

ch03-skills/.claude/skills/api-generating/SKILL.md · 56 lines

What it actually says

API Endpoint Generator

Generate REST API endpoints following the project's established patterns.

Before Generating

  1. Read existing route files to understand the project's patterns
  2. Check for validation library usage (Zod, Joi, etc.)
  3. Identify the architecture pattern (layered, MVC, etc.)

Generation Template

For each new resource, create:

  1. Route file (src/routes/{resource}.ts)

    • Zod validation schemas
    • Route handlers that parse and delegate
    • NO business logic in routes

  2. Service file (src/services/{resource}Service.ts)

    • Business rules and validation
    • Orchestration of repo calls
    • Domain error throwing

  3. Repo file (src/repos/{resource}Repo.ts)

    • Data access only
    • Prisma operations
    • NO business logic

  4. Test file (tests/{resource}.test.ts)

    • Happy path tests
    • Edge case tests
    • Error handling tests

Naming Conventions

  • Files: camelCase (orderService.ts)
  • Classes: PascalCase (OrderService)
  • Routes: kebab-case (/api/order-items)
  • Database: snake_case (handled by Prisma)
Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 56 lines · 37 tokens per session scan A 75797ca5d993

Subscribe to this mod's changes

api-generating is a skill published in the GitHub repository huangjia2019/claude-code-engingeering-EN (10 stars, last pushed 4mo ago), licensed MIT. It adds 37 tokens to every session and 332 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to api-generating, differing in 0 lines, and is treated as a copy.

Backend and APIs
Related

api-generating compared with skills from other repositories

api-generating next to 6 skills from other repositories
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api-generatinghuangjia2019/claude-code-engingeering-ENSkill104mo agoMITA37Claude Code
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azure-mgmt-botservice-dotnetmicrosoft/skillsSkill3.2kyesterdayMITA78Claude Code
fastapi-router-pymicrosoft/skillsSkill3.2kyesterdayMITA46Claude Code
dev-runtimelangwatch/langwatchSkill5.0kyesterdayApache-2.0A172Claude Code
api-designericrisco/rsc-harnessSkill5032d agoMITA105Claude Code, Codex
migrate-segw-to-raparc-mcp/arc-1Skill252yesterdayMITA106Claude Code