Error — Error Handling & Resilience Reference#

Quick-reference skill for error handling patterns, HTTP status codes, retry strategies, and debugging techniques.

When to Use#

• Designing error handling strategy for an application
• Looking up HTTP status codes and their proper usage
• Implementing retry logic with backoff strategies
• Debugging production errors and failure patterns
• Building resilient systems with circuit breakers

Commands#

intro#

bash

scripts/script.sh intro

Overview of error handling — philosophy, types, and design principles.

http#

bash

scripts/script.sh http

HTTP status codes — complete reference with proper usage.

patterns#

bash

scripts/script.sh patterns

Error handling patterns — try/catch, Result types, error boundaries.

retry#

bash

scripts/script.sh retry

Retry strategies — exponential backoff, jitter, circuit breakers.

logging#

bash

scripts/script.sh logging

Error logging best practices — structured logging, context, severity levels.

messages#

bash

scripts/script.sh messages

Error message design — user-facing vs developer-facing, i18n, codes.

debug#

bash

scripts/script.sh debug

Debugging techniques — root cause analysis, bisection, tracing.

checklist#

bash

scripts/script.sh checklist

Error handling checklist for production applications.

help#

bash

scripts/script.sh help

version#

bash

scripts/script.sh version

Configuration#

VariableDescriptionERROR_DIRData directory (default: ~/.error/)

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