Individual skill

handling-api-errors

Implement standardized error handling with proper HTTP status codes and error responses. Use when implementing standardized error handling. Trigger with phrases like "add error handling", "standardize errors", or "implement error responses".

skills/.curated/handling-api-errors/SKILL.md

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# Handling API Errors

## Overview

Implement standardized API error handling with RFC 7807 Problem Details responses, centralized error middleware, typed error classes, and environment-aware stack trace exposure. Convert framework exceptions, validation failures, database errors, and upstream service failures into consistent, machine-readable error responses with appropriate HTTP status codes.

## Prerequisites

- Web framework with middleware/error handler support (Express, FastAPI, Spring Boot, Gin)
- Structured logging library for error event recording with correlation IDs
- Error monitoring service: Sentry, Bugsnag, or Rollbar for production error tracking
- RFC 7807 Problem Details specification for response format guidance
- API documentation listing all possible error codes and their meanings

## Instructions
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