go-error-handling

Review Go error handling for wrapping, propagation, and structured logging.

Updated Jul 7, 2026

Search Tags:#error handling #Go #panic #structured logging #recover

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npx skills add https://github.com/voidrot/agents --skill go-error-handling-voidrot

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Please help me install this Agent Skill.
Skill: go-error-handling
Source: https://github.com/voidrot/agents/tree/main/skills/golang/go-error-handling
Command: npx skills add https://github.com/voidrot/agents --skill go-error-handling-voidrot

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers design and review Go error handling, ensuring proper propagation, inspection, and logging of errors.

Core Features & Use Cases

Error Creation and Wrapping: Guides on creating, wrapping, and propagating errors with clear context.
Error Inspection: Techniques for inspecting error chains using errors.Is and errors.As.
Single Handling Rule: Enforces the rule that errors should be handled exactly once.
Panic and Recover: Best practices for using panic and recover for handling unrecoverable errors.
Structured Logging: Recommendations for logging errors with stable, low-cardinality messages.
Use Case: A Go developer can use this Skill to refactor their codebase, ensuring that all errors are handled consistently and effectively.

Quick Start

Run the go-error-handling skill in your Go project to review and improve your error handling practices.

Frequently Asked Questions about go-error-handling

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

What is the best way to handle errors in Go to prevent common pitfalls?▼

Proper Go error handling enforces the single handling rule, ensuring errors are processed exactly once. This prevents common pitfalls by standardizing error creation, wrapping, propagation, and structured logging across a project using standard libraries.

How do I wrap and inspect Go errors using standard libraries?▼

You wrap and inspect Go errors by adding clear context during propagation, then inspecting error chains using `errors.Is` and `errors.As`. These standard library functions allow precise identification of specific error types within wrapped chains.

When should I use panic and recover for unrecoverable errors in Go?▼

Use panic and recover in Go strictly for unrecoverable errors where normal execution cannot continue. Applying best practices for panic and recover ensures your program safely halts or recovers from severe states without mismanaging standard error flows.

How do I implement structured logging for Go error handling?▼

Implement structured logging for Go error handling by recording stable, low-cardinality messages. This provides consistent context for wrapped errors during propagation, ensuring logs remain searchable and actionable without generating excessive unique message variations.

Can I use this approach to refactor existing Go error management code?▼

Yes, you can refactor existing Go code by applying these error handling best practices. This process reviews your codebase to ensure errors are handled consistently, properly wrapped, and effectively logged according to the single handling rule.