Stack

Claude Code setups for fastapi

4 public setups, most built first.

EU VAT number validator API with caching

FastAPI service that validates EU VAT numbers via VIES, returns registered company details, and caches definitive results with a TTL.

pythonfastapihttpxpydantic

Built 1 time

ai-agent

Real estate listing writer with fair housing checker

Python AI assistant that turns bullets and photos into listings in three tones and flags fair housing issues before publishing.

pythonfastapipydanticanthropic

Built 1 time

api

Durable webhook relay with retries and replay

Hosted FastAPI relay that durably stores provider webhooks, retries delivery with backoff, supports replay, signature checks, and usage metering.

fastapipythonpostgresredis

Built 1 time

automation

Job posting saver with Chrome extension and Python API

Chrome extension saves job postings from any site into a local tracker with status, notes, and follow-up reminders, backed by a FastAPI and SQLite server.

pythonfastapisqlitejavascript

Built 1 time

Learn the basics

Beginner6 minFree

Start here: install Claude Code and run your first task

Install Claude Code, sign in, make your first change, then set up CLAUDE.md with /init and learn when to use /clear.

All setups