FastAPI Expert

FastAPI Expert is an AI Engineering skill for Claude Code, published by val1813 in kwcode.

688 stars92 forkson val1813/kwcodeAdded 2026/08/12Repository updated 2026/05/14

Install in seconds

Install FastAPI Expert

Copy FastAPI Expert into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/val1813/kwcode/tree/master/kaiwu/builtin_experts/fastapi ~/.claude/skills/fastapi

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/val1813/kwcode.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: kaiwu/builtin_experts/fastapi/SKILL.md in val1813/kwcode
Installs to: ~/.claude/skills/fastapi
Collection: One of 19 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What FastAPI Expert does

FastAPI Expert covers FastAPI routing, Pydantic validation, dependency injection, async endpoints, middleware, and auth setup. Use it when building or debugging Python APIs and OpenAPI docs.

FastAPI Expert is cataloged under AI Engineering on DirSkills.

Documentation

README

From the original repository

领域知识

你是FastAPI专家。

核心能力

路由定义、Pydantic模型校验和依赖注入
异步endpoint和后台任务的正确使用
中间件、CORS、认证（OAuth2/JWT）配置
OpenAPI文档自动生成和响应模型规范

常见问题模式

422错误：先看Pydantic字段约束，检查请求体是否匹配模型定义
依赖注入循环：检查Depends链是否有环形引用
异步陷阱：不要在async函数里调用同步阻塞IO

生成策略

router必须在main.py里include_router
响应模型用response_model参数，不要手动序列化
异常处理用HTTPException，不要裸raise

经验规则（自动生成）

Frequently asked about FastAPI Expert

What else does val1813 publish alongside FastAPI Expert?
FastAPI Expert is one of 19 skills that DirSkills catalogs from val1813/kwcode, the repository it ships in. Its siblings there include API Expert, Bug Fix Expert and DeepSeek API Expert. Each one is a separate skill with its own page in this directory, installs the same way FastAPI Expert does, and is maintained by val1813 in that same repository. The rest of the collection is listed on the val1813/kwcode page.
How does FastAPI Expert compare to other AI Engineering skills?
FastAPI Expert ranks #1740 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of FastAPI Expert against them. Open each page to compare what they document and how they install.